Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332700 | High dispersion optical glass | Futoshi Ishizaki, Naoyuki Goto, Hisao Yatsuda, Goro Enomoto, Hideo Yasui | 1994-07-26 |
| 5320987 | Optical glass | Tatsuya Senoo, Muneo Nakahara | 1994-06-14 |
| 5300467 | Optical glass | Futoshi Ishizaki, Muneo Nakahara, Hiroshi Shishido | 1994-04-05 |