Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8658283 | Laminated glass for window and glass window member | — | 2014-02-25 |
| 8142894 | Laminated glass and laminated glass member | Seiji Hamada | 2012-03-27 |
| 7718929 | Cooking top plate | Toshimasa Kanai, Ukon Ishihara, Takeshi Nagata, Tsutomu Imamura | 2010-05-18 |
| 7208703 | Cooking top plate | Toshimasa Kanai, Ukon Ishihara, Takeshi Nagata, Tsutomu Imamura | 2007-04-24 |
| 7041376 | Window member for a combustion apparatus, excellent in appearance even after long-time use | Toshimasa Kanai | 2006-05-09 |
| 6660980 | Top plate for cooking device having electromagnetic-induction heating unit | Takeshi Nagata, Shingo Nakane, Naohide Yamada | 2003-12-09 |
| 6593258 | Li2O-Al2O3-SiO2 transparent crystallized glass and crystallizable | Akihiko Sakamoto | 2003-07-15 |
| 6472338 | Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor | Hiroyuki Yamada, Akihiko Sakamoto | 2002-10-29 |
| 6413906 | Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor | Hiroyuki Yamada, Akihiko Sakamoto | 2002-07-02 |
| 5866239 | Top plate having a first enamel coating in a heating portion and a second enamel coating in a non-heating portion on a surface of a low expansion crystallized glass | Akihiko Sakamoto, Kiyoshi Katagi | 1999-02-02 |
| 5776613 | Enamel frit composition for a low-expansion crystallized glass and enamel-coated low-expansion crystallized glass plate using the same | Kiyoshi Katagi, Akihiko Sakamoto | 1998-07-07 |