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Koshu Fuji Ash-Glaze Ceramic Wine Cup: Yamanashi Pottery from Japan’s Wine Country [2026]

Koshu Fuji Ash-Glaze Ceramic Wine Cup: Yamanashi Pottery from Japan’s Wine Country [2026]
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There is a quiet logic to a ceramic wine cup from Yamanashi. Most Japanese prefectures answer the question “what should we drink from?” with a sake vessel — a guinomi, an ochoko, a katakuchi. Yamanashi answers differently, because Yamanashi is wine country. Katsunuma, in what is now Koshu City, is where commercial Japanese winemaking began in 1877, and the Koshu grape has been grown in the Kofu Basin since the medieval era. A stemless, ash-glazed stoneware cup built for an everyday red or white is not a novelty here. It is the regionally honest object.

The piece covered in this guide is a studio-pottery stemless wine cup finished in a volcanic ash glaze (haiyu) — the kind of earthy, semi-matte surface traditionally drawn from materials like Mount Fuji’s volcanic ash (Fuji-bai). It holds roughly 250–350 ml, sits in the hand like a tumbler rather than perching on a stem, and treats wine the way a potter treats tea: as something served from a vessel with its own weight, texture, and quiet color depth. It is stoneware, not glass, so it trades crystal clarity for thermal steadiness and tactile presence.

One point of honesty up front: Yamanashi has no METI-designated pottery tradition. Its nationally famous crafts are Koshu crystal carving, Inden deerskin lacquerware, and Koshu textiles — not ceramics. So this is a studio-pottery item anchored in regional terroir and geology, not a registered ceramic lineage like Bizen or Shigaraki. This article covers what the cup is, who it suits, how to buy it from outside Japan, and how it compares to other Japanese cups and to Yamanashi’s better-known crafts. It is written from a Japan-based editor’s desk, not from a tasting room.

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⏱️ Read time: about 12 minutes
Koshu Fuji ash-glaze stemless ceramic wine cup from Yamanashi, stoneware with semi-matte volcanic ash glaze
The Koshu Fuji ash-glaze stemless wine cup — Yamanashi studio stoneware built for everyday reds and whites. Image: Amazon product listing.

Who this is for — and who should skip it

✅ A good fit if you…
  • Like drinking everyday wine from a stemless vessel with weight and texture, not a fragile crystal stem.
  • Appreciate studio-pottery glaze depth — semi-matte, earthy ash-glaze surfaces over clear glass.
  • Want a vessel with a real regional story: Japan’s wine country, beneath Mount Fuji.
  • Use the same cup across red, white, water, and chilled sake without fuss.
  • Are buying a thoughtful gift for someone who already owns plenty of glass stemware.
❌ Probably skip it if you…
  • Want to judge a wine’s color and legs — opaque stoneware hides both.
  • Need a stemmed glass for aromatics and formal tasting.
  • Expect a METI-certified ceramic lineage; this is studio pottery, not a registered ware.
  • Require an exact, confirmed price before ordering — listing data here is thin (see below).
  • Prefer dishwasher-and-forget glassware over hand-washed ceramics.

Product overview (from published specs)

Listing data for this specific item is limited at the time of writing — the fetched snapshot returned no live price or full attribute table. The figures below combine the listing identifier with the recommendation profile supplied for this guide. Where a value is not confirmed in the source data, it is marked as such rather than guessed.

Attribute Detail Source
Object Stemless ceramic wine cup Listing profile
Material Stoneware (ceramic) Listing profile
Glaze Volcanic ash glaze (haiyu / Fuji-bai style), semi-matte Listing profile
Capacity ≈ 250–350 ml Listing profile
Origin Yamanashi Prefecture (studio pottery) Editorial anchor
Listing ID (ASIN) B0FXMZBQC9 Amazon JP Global Store
Price Not confirmed in fetched data — verify on the live listing
Dimensions / weight Unconfirmed — check listing
Maker / kiln Unconfirmed studio — verify on listing

Only the Amazon JP listing identifier was available for this item; the fetched snapshot returned no live price, so live pricing and exact dimensions may differ from anything stated above. Treat the capacity and glaze description as the supplied product profile, and confirm specifics on the listing before buying.

📖 Glossary — key terms used in this article

Haiyu (灰釉, “ash glaze”) — a glaze made from wood or plant ash (and, regionally, volcanic ash), among the oldest glaze families in Japanese ceramics. It yields earthy, semi-matte, often subtly variegated surfaces.

Fuji-bai (富士灰, “Fuji ash”) — volcanic ash associated with Mount Fuji, used as a classic source material for ash glazes in the surrounding region.

Koshu (甲州) — the historical name for Kai Province, today’s Yamanashi; also the name of the prefecture’s signature white-wine grape.

Katsunuma (勝沼) — a district of Koshu City and the cradle of Japanese commercial winemaking (from 1877).

Stoneware — high-fired, vitrified, opaque ceramic. Heavier and more thermally stable than glass; it does not show a wine’s color.

Guinomi (ぐい呑み) — a small Japanese ceramic sake cup; mentioned here for contrast, since a wine cup is the deliberately chosen vessel for Yamanashi.

📍 Where this comes from — place, era, and the craft tradition

📍
Where this is made
Koshu / Kofu Basin (Yamanashi, Chūbu)
A landlocked basin ringed by mountains in central Japan — roughly 100 km west of Tokyo, on the northern flank of Mount Fuji; reachable in about 1.5 hours by limited express from Shinjuku.

📍 Yamanashi is in Yamanashi Prefecture — central Honshū, between Tokyo and Kansai.

Yamanashi is a landlocked prefecture in the Chūbu region of central Japan, built around the Kofu Basin — a wide, mountain-ringed bowl with hot summers, cold winters, and the strong day-to-night temperature swing that grapes happen to love. To the south rises Mount Fuji; to the north and west, the granite ranges of the Chichibu-Tama-Kai and Akaishi mountains. There is no coastline here, no port logistics. What shaped Yamanashi’s economy instead was sun-soaked alluvial soil, fast mountain water, and a basin geography that funneled trade routes toward Edo.

Katsunuma vineyards in Koshu City, Yamanashi, the birthplace of Japanese winemaking
The Katsunuma vineyards of Koshu City, birthplace of Japanese winemaking in 1877 — the terroir that makes a ceramic wine cup, rather than a sake cup, the natural Yamanashi vessel. Photo: Wikimedia Commons (CC BY-SA 4.0)

That basin is why a wine cup belongs here. The Koshu grape has been cultivated in the Kofu Basin since the medieval era, and Katsunuma — now part of Koshu City — is where Japan’s first commercial winery, the Dai-Nihon Yamanashi Budōshu Company, began production in 1877. Today the Katsunuma district remains the densest concentration of wineries in Japan. In a prefecture this defined by viticulture, a stemless ceramic cup made for everyday wine is not an affectation; it is the local table object.

📜 Timeline — wine, mountains, and craft in Kai / Yamanashi

  • 8th–12th c. — Folk tradition attributes the first Koshu grapevine to the Kai region; the dating is legendary, not documented.

  • 1519 — The Takeda clan establishes the Tsutsujigasaki residence at Kofu, seat of Kai Province.

  • Edo period (1603–1868) — Crystal carving develops around the Mt. Kinpu and Shōsenkyō granite; the Kofu Basin grows as a trade hub toward Edo.

  • 1877 — The Dai-Nihon Yamanashi Budōshu Company begins commercial winemaking in Katsunuma — the start of the Japanese wine industry.

  • 1903 — Takeda Shrine is founded on the former Tsutsujigasaki residence site, fixing the clan’s memory into the Kofu landscape.

  • 2013 — The Koshu grape is registered with the OIV, allowing “Koshu” to appear on wine exported to the EU.

  • 2026 — Katsunuma / Koshu City remains the heart of Japanese wine; studio potters continue working ash glazes in the region.

The historical backbone of the basin is the Takeda clan. Their seat at the Tsutsujigasaki residence in Kofu made Kai Province a center of power in the Sengoku era, and Takeda Shrine — founded in 1903 on that same residence site — still anchors the city. A castle-town economy concentrates artisans, and Yamanashi’s enduring crafts grew from exactly that gravity: skilled hands settling where patronage and trade routes met.

Takeda Shrine in Kofu, Yamanashi, on the former Tsutsujigasaki residence of the Takeda clan
Takeda Shrine in Kofu stands on the former Tsutsujigasaki residence of the Takeda clan, anchoring the Kai Province castle-town history behind Yamanashi’s craft economy. Photo: Wikimedia Commons (Public domain)

The other half of the story is geology, and this is where the cup’s glaze comes from. Mount Fuji’s volcanic ash, Fuji-bai, is a classic source material for Japanese ash glazes (haiyu) — fired, it produces the earthy, semi-matte, faintly variegated surface that gives studio stoneware its depth. That same volcanic-and-granite landscape gave Yamanashi its more famous crafts: the quartz of the northern ranges fed Koshu crystal carving, and the Shōsenkyō Gorge’s granite cliffs are the visible face of the prefecture’s mineral character.

Mount Fuji rising over southern Yamanashi, source of the volcanic ash used in traditional ash glazes
Mount Fuji rises over southern Yamanashi; its volcanic ash (Fuji-bai) is a traditional source material for the ash glazes (haiyu) that give studio stoneware its earthy depth. Photo: Wikimedia Commons (Public domain)

“In a prefecture where the table holds wine instead of sake, the honest vessel is a wine cup — and when its glaze is drawn from the ash of the mountain on the horizon, the object and its place finally rhyme.”

It is worth being clear about what this continuity does and does not claim. Yamanashi is not a registered pottery province; it has no METI-designated ceramic ware in the way Saga has Arita or Okayama has Bizen. The honest framing is “studio pottery from the wine country” — a contemporary maker working regional materials and a regional story, not the inheritor of a centuries-old kiln lineage. What grounds the cup is real: the terroir, the 1877 winemaking origin, the volcanic-ash glaze tradition, and a basin whose craft economy traces back to a Sengoku castle town. That is a stronger anchor than most novelty wine cups can offer, and weaker than a certified ware can — both things are true at once.

Granite cliffs of Shosenkyo Gorge in Yamanashi, source landscape for the prefecture's mineral crafts
The granite cliffs of Shosenkyo Gorge define Yamanashi’s mineral landscape — the same geology that fed the prefecture’s crystal-carving craft and its studio-ceramic clays. Photo: Wikimedia Commons (CC BY-SA 4.0)

📌 How does it compare?

Price snapshot across stores

Pricing for this exact item was not present in the fetched data, so the figures below describe where to buy rather than a confirmed number. Always verify the live price at the retailer before ordering. JPY is the authoritative currency for the sourced listing; any USD figure is an approximate estimate at a ¥150/USD baseline as of mid-2026.

Store Item / variant Price (JPY + USD est.) Notes
🇺🇸 Amazon.com (US) Browse Japanese ceramic wine cups & stoneware varies (USD) Best if you are shopping from the US — Prime shipping, USD pricing, no international customs. Amazon US carries comparable Japanese stoneware and studio-ceramic cups; this specific Yamanashi piece is sourced from Japan (next row).
🇯🇵 Amazon JP Global Store This exact item (ASIN B0FXMZBQC9) Price unconfirmed — check listing Where the specific item is sourced; ships internationally from Japan to most major destinations. Confirm price and stock on the live page.
Maker direct Studio / kiln (if identified) The specific studio is not confirmed in the data; a maker-direct path may exist but could not be verified here.
Proxy services (Buyee / Tenso) Forwarded from Japan item price + forwarding fee Useful if a domestic-only Japanese listing is cheaper; adds a forwarding fee and consolidates shipping. Watch for customs duties above your local threshold.

Prices in USD are approximate and depend on the current exchange rate. The JPY price on the Amazon JP Global Store listing is the authoritative figure for the specific item.

What it does well

🍇 Regionally honest
A wine cup, not a sake cup, from Japan’s actual wine country — the form matches the place rather than borrowing a generic template.

🌋 Glaze depth
The volcanic ash glaze gives an earthy, semi-matte surface with quiet variation — the kind of depth glass cannot reproduce.

✋ Stemless and steady
A low center of gravity and no fragile stem make it forgiving for everyday use, dishwashing aside, and pleasant to hold.

🔁 Versatile vessel
At ~250–350 ml it works for red, white, water, or chilled sake — a single cup that does not insist on one beverage.

Weaknesses and things to verify before buying

  1. No registered ceramic lineage. Yamanashi has no METI-designated pottery tradition. This is studio pottery anchored in terroir, not a certified ware — if you specifically want Bizen, Shigaraki, or Arita provenance, this is not that.
  2. Opaque by design. Stoneware hides a wine’s color, clarity, and legs. For tasting or appreciation of appearance, a glass is the better tool; this cup is for drinking, not evaluating.
  3. Price not confirmed. The fetched listing snapshot returned no live price, so budget accordingly and check the current figure before ordering.
  4. Maker and exact specs unverified. The specific kiln, dimensions, and weight are not confirmed in the source data. Read the live listing for the producer name and measurements.
  5. Aromatics. A wide stemless ceramic cup does not concentrate a wine’s bouquet the way a tulip-shaped glass does. Expect a casual, table-wine experience rather than a stemware tasting.
  6. Care. Treat as hand-wash ceramic unless the listing explicitly states dishwasher safety; glaze surfaces and any unglazed foot ring can mark over time.
  7. Single-cup listings. Confirm whether the listing is one cup or a set before assuming you are buying a pair — quantity is not verified here.

Conclusion — which buyer type are you?

💎 The premium buyer
You want a vessel with story and material depth, and you collect studio ceramics. This fits — verify the kiln and pay for provenance.

🏠 The mainstream buyer
You want one good everyday wine cup with character. This is a strong pick — stemless, sturdy, and versatile across drinks.

💰 The budget buyer
Confirm the price first. If it runs high for a single cup, a registered-ware guinomi or a plain tumbler may give more value per yen.

🚫 Skip it
You taste wine seriously and need glass for color and aroma, or you require certified ceramic provenance. Look elsewhere.

Other ways to approach this purchase

🏷️ Wait for a sale
Studio ceramics rarely discount steeply, but Amazon JP Global Store pricing shifts with the exchange rate. If the yen weakens, the effective USD cost drops.

♻️ Pre-owned ceramics
Japanese secondhand ceramic markets are deep, but condition matters for glaze and rim chips. Buy from sellers who photograph the foot ring and lip.

🎁 Points & rewards
Routing the purchase through whichever Amazon storefront holds your points or card rewards can offset the international shipping cost.

🚫 Skip and reconsider
If glass stemware already covers your needs, a Yamanashi crystal or Inden piece may be a more distinctive souvenir of the prefecture.

🏆 Editor’s Pick

🏆 Editor’s Pick — the Yamanashi wine cup to start with

For the buyer who wants one regionally honest, characterful everyday wine cup, the Koshu Fuji ash-glaze stemless ceramic wine cup (ASIN B0FXMZBQC9) is the piece to begin with. It pairs studio-pottery glaze depth with a stemless, ~250–350 ml form that works across reds, whites, and chilled sake.

  • Volcanic ash glaze (Fuji-bai style) gives an earthy, semi-matte surface glass cannot match.
  • Stemless stoneware is steady and forgiving for daily use.
  • A vessel whose form matches its place — Japan’s wine country beneath Mount Fuji.

Price not confirmed in the fetched data — verify the live figure on the JP listing before ordering.

❓ Frequently Asked Questions

Why a wine cup from Yamanashi rather than a sake cup?
Yamanashi is Japan’s wine country. Katsunuma, in Koshu City, is where commercial Japanese winemaking began in 1877, and the Koshu grape has grown in the Kofu Basin since the medieval era. A wine cup matches the prefecture’s actual drinking culture, where a generic sake guinomi would not.
Is this a registered, traditional Japanese pottery?
No. Yamanashi has no METI-designated ceramic tradition; its famous crafts are crystal carving, Inden deerskin lacquerware, and Koshu textiles. This is honestly framed as studio pottery anchored in the region’s terroir and volcanic-ash glaze materials, not a certified ware like Bizen or Arita.
What is a volcanic ash glaze, and where does it come from?
Ash glaze (haiyu) is one of the oldest glaze families in Japanese ceramics, made from plant or — regionally — volcanic ash. Mount Fuji’s volcanic ash (Fuji-bai) is a classic source material; fired, it produces the earthy, semi-matte, lightly variegated surface seen on this cup.
Can I order it from outside Japan?
Yes. The specific item is sourced from the Amazon JP Global Store, which ships internationally to most major destinations. For US shoppers, the Amazon US search link surfaces comparable Japanese stoneware with Prime shipping. Proxy services like Buyee or Tenso are an alternative for domestic-only Japanese listings, though they add a forwarding fee.
How much does it cost?
The fetched listing snapshot did not include a confirmed price, so we do not state one here. Check the live Amazon JP Global Store page for the current JPY figure; any USD amount is an estimate at roughly ¥150/USD as of mid-2026.
How should I care for it?
Treat it as hand-wash stoneware unless the listing explicitly confirms dishwasher safety. Avoid sudden thermal shock, and dry any unglazed foot ring fully to prevent staining. Glazed ceramic rims can chip if knocked, so store with a little space around the cup.
Does it work for serious wine tasting?
Not really. Opaque stoneware hides a wine’s color and legs, and a wide stemless shape does not concentrate aromatics the way a tulip glass does. This is a casual, everyday table cup; for evaluative tasting, use glass stemware.

jpmono.com is curated by a Japan-based editorial team (working out of Toyama in the Hokuriku region and Nara in Kansai) and is independent. We do not take payment from the makers we feature; income comes from affiliate links. We read maker specs and source listings rather than physically testing every product. Read more about our editorial standards on our About page.

📢 Affiliate Disclosure — This article contains affiliate links from the Amazon Associates Program. The primary path is **Amazon US (amazon.com)** via search — many of these hand-forged Japanese craft items are not individually listed on amazon.com, but Amazon US carries comparable Japanese kitchen and home goods, and commissions on whatever the visitor purchases through the search link go to support this site. The secondary path is **Amazon JP Global Store (amazon.co.jp)**, which is where the specific items covered in this guide are sourced from and which ships internationally to most major destinations. If you make a purchase through either of these links, we may earn a commission at no extra cost to you. Prices and availability shown are based on data at the time of writing and may have changed — always verify at the retailer before purchasing. USD figures shown alongside JPY are approximate (¥150/USD baseline as of mid-2026); the JPY price is the authoritative one for the specific listed item.

🤖 This article was prepared with AI assistance from listing data and verified public-domain reference material, then edited for accuracy. Specs, pricing, and availability should be confirmed on the retailer’s live page before purchase.

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