Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957591 | Method for preparing needle-like, fibrous or porous diamond, or an aggregate thereof | Yoichiro Sato, Mutsukazu Kamo | 1990-09-18 |
| 4948627 | Process for producing glass mold | Shinichiro Hirota, Hiroyuki Sawada | 1990-08-14 |
| 4820662 | Silicophosphate laser glass | Tetsuro Izumitani, Michimasa Matsukawa | 1989-04-11 |
| 4816049 | Process of surface treating laser glass | Kouichi Hara, Tetsuro Izumitani | 1989-03-28 |