Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919699 | Process of removing platinum inclusions from laser glass | Tetsuro Izumitani, Kunio Takeuchi | 1990-04-24 |
| 4820662 | Silicophosphate laser glass | Tetsuro Izumitani, Chiemi Hata | 1989-04-11 |