Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213415 | Method for producing air-quench-toughened glass plate | Chihiro Sakai, Masayuki Maenaka | 2007-05-08 |
| 6609394 | Method for producing air-quench-toughened glass plate | Chihiro Sakai, Masayuki Maenaka | 2003-08-26 |
| 6309733 | Glass panel | Tetsuo Minaai, Michihiro Kato | 2001-10-30 |