Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097550 | Spinel sintered body, light transmitting window and light transmitting lens | Akira Sasame, Akihito Fujii, Shigeru Nakayama | 2012-01-17 |
| 7741238 | Spinel sintered body, light transmitting window and light transmitting lens | Akira Sasame, Akihito Fujii, Shigeru Nakayama | 2010-06-22 |