Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213415 | Method for producing air-quench-toughened glass plate | Chihiro Sakai, Masashi Kikuta | 2007-05-08 |
| 6609394 | Method for producing air-quench-toughened glass plate | Chihiro Sakai, Masashi Kikuta | 2003-08-26 |