Seiho-do
About Company
The Colors of Kutani. The Clarity of Glass.
Two Crafts, One Distinctive Form.
Based in Nomi, Ishikawa, Seiho-do Inc. produces Kutani porcelain and Kutani Wa Glass. By pairing hand-painted porcelain with blown glass, the company creates distinctive tableware for everyday use and thoughtful gifts.
Exploring New Possibilities for Kutani Porcelain
Founded in 1964 and incorporated in 1975, Seiho-do manufactures Kutani ware, supplies retailers across Japan, and develops original products.
Its signature Kutani Wa Glass collection brings Kutani porcelain together with hand-blown glass, including Edo glass from Tokyo. Hand-painted porcelain stems and bases lend color and detail to the transparent glass above.
The technique used to bond these different materials is central to the collection. According to Seiho-do’s official website, Kutani Wa Glass received a 2006 Good Design Award in the New Frontier Design category.
Kutani Wa Glass for Everyday Use and Giving
Takara-zukushi Sake Glass — Lattice Pattern
A sake glass with auspicious treasure motifs painted on its porcelain base. The lattice-patterned glass and colorful decoration bring a festive touch to the table.
Ko-Kutani Marumon Stemmed Cup — Plain Glass
A small stemmed cup with a contemporary interpretation of early Kutani motifs. It can be used for chilled sake or for serving small delicacies.
Sasanqua Blue Sake Glass — Lattice Pattern
Sasanqua camellias decorate a porcelain base accented in blue. The floral colors contrast with the clear glass above.
Choose the Details That Make It Yours
The range includes shapes for chilled sake, wine, beer, and desserts. Alongside its standard collection, Seiho-do offers customizable combinations of shape, painted design, and glass style, made to order from the available options.
Choosing a piece to complement a favorite drink or dish is part of the appeal. Whether for your own table or as a gift, these options allow you to select a combination that feels personal.
A New Life for Damaged Glassware
Seiho-do’s Repair Glass collection repurposes damaged wine glasses, using a Kutani porcelain connector to join the glass bowl and stem. The collection applies the bonding techniques developed for Kutani Wa Glass.
Each piece combines the character of the original glass with the painted detail of Kutani porcelain. These upcycled glasses are presented as one-of-a-kind pieces in the official online shop.
Discover Kutani Ware and Try Painting Your Own
Gallery Tosokan, the shop and showroom at Seiho-do’s headquarters in Nomi, displays Kutani Wa Glass and Kutani ware. Visitors can see the colors and forms in person before choosing a piece.
Painting workshops, available by reservation, let visitors decorate a Kutani porcelain blank or the porcelain component of a Kutani Wa Glass piece. With staff guidance and the same tools used by artisans, participants discover how painted colors develop during firing. For Kutani Wa Glass, the glass component is attached after the porcelain has been fired.
Media Coverage
Japanese craftsman launches Repair Glass upcycling broken wine glasses
Zenbird introduces Seiho-do’s Repair Glass collection, which gives damaged wine glasses a new life through hand-painted Kutani porcelain connectors. The report highlights the company’s approach to combining traditional craft with material reuse.
Read the article →Discovering Kutani Wa Glass on a Craft Tour of Ishikawa
A travel report by FREEPLUS includes a visit to Seiho-do as part of a wider journey through Ishikawa. It introduces Kutani Wa Glass and offers a visitor’s perspective on the region’s ceramic and glass crafts.
Read the travel journal →Company Information
| Company Name | Seiho-do Inc. |
|---|---|
| Representative | Toshinori Shimizu, Representative Director |
| Founded / Incorporated | Founded July 1, 1964 / Incorporated July 26, 1975 |
| Location | 48 Wo, Shinbo-machi, Nomi, Ishikawa 923-1102, Japan |
| Business Activities | Kutani ware manufacturing and wholesale; original product development; Kutani Wa Glass production and sales |
| Shop | Gallery Tosokan (shop and showroom at company headquarters) |
| Website & Social Media |

