[Kyoto,Japan] Kyo-ware / Kiyomizu-ware
Mug Cup - Kinran Tenmoku by Yoshinori Izumi
Mug Cup - Kinran Tenmoku by Yoshinori Izumi
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- Worldwide shipping from Kyoto
- Dispatched within 1–3 days
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The relentless pursuit of glazes
Yoshinori Izumi, who has a studio in the satoyama of Keihoku, Kyoto, has been researching glazes for over 50 years.
Building on the knowledge he cultivated at the Kyoto Municipal Institute of Industrial Technology, he has pursued unique kiln transformation expressions by meticulously verifying changes based on firing temperature, glaze composition, and the way the flame hits the piece.
Izumi's work is not merely dependent on chance but is built upon many years of accumulated data and experience.
Even so, unpredictable changes occur in the kiln, and no two pieces turn out exactly the same.

Beautiful colors created by fire
Izumi's Tenmoku and Celadon works exhibit complex color changes created by firing.
The deep gradations created by the flowing glaze and the delicate kiln transformations caused by the reaction of mineral components show expressions that are akin to natural phenomena.

Tableware that blends into daily life
While Izumi's ceramics are highly artistic, they are created with an emphasis on everyday use.
Based on his many years of experience crafting a wide range of vessels, including sake cups, teacups, and matcha bowls, he pays meticulous attention to aspects such as mouthfeel, ease of holding, and comfort of use.
They possess a quiet presence, yet enhance the food and drinks served in them. These are vessels where you can enjoy the changing expressions of the glaze and the play of light with every use.
【 information 】
Potter
Potter
Yoshinori Izumi
Box & Gift Wrapping
Box & Gift Wrapping
Gift box (paper)
*If you would like gift wrapping, please select the “Gift Wrapping” option on the product page.
Dimensions & Weight
Dimensions & Weight
Rim diameter 90
Width (including handle) 115
Height 90 (mm)
230 grams
※Due to the handmade nature, there may be individual variations.
Ceramic Type & Care
Ceramic Type & Care
Ceramic Type: Pottery
Care Instructions
Do not use in microwave ovens
Dishwasher not allowed
Oven not recommended
Shipping Information
Shipping Information
[Japan]
- Free shipping
- Ships within 1-4 days
- Delivered by Yu-Pack (Japan Post)
[Outside Japan]
- Flat rate shipping fee of 1,000 yen
- Free shipping on purchases over 20,000 yen (or equivalent in other currencies)
- Ships within 1-4 days
※Click here for details on shipping carriers and customs duties
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Kyoto Pottery by Yoshinori Izumi
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Flat Rate Shipping, Worldwide
Thanks to your support, KOTOPOTTER has celebrated its first anniversary.
We ship Kyoto pottery worldwide — international shipping is a flat ¥1,000JPY (approx. $7 USD), and free for orders over ¥20,000JPY(or the equivalent amount).
Domestic shipping within Japan is always free.
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Comment from the Owner
This mug features a beautiful gradation that shifts from red to gold within the jet black of the Tenmoku glaze.
The expression changes depending on how the light hits it and the viewing angle, allowing you to enjoy a profound landscape.
Each piece has a unique kiln transformation, making it a captivating work with a strong presence.