Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723939 | Circular fluorescent lamp | Ikuhiro Okuno, Toshiyoshi Oga, Masashi Sangen | 1998-03-03 |
| 5271026 | Discharge excitation gas laser device | Naoki Kosugi, Yasuhiro Shimada, Tadaaki Miki, Mutsumi Mimasu | 1993-12-14 |
| 5050174 | Laser device | Koichi Wani, Yasuhiro Shimada, Mutsumi Mimasu, Tadaaki Miki | 1991-09-17 |
| 4991178 | Laser apparatus | Koichi Wani, Yasuhiro Shimada, Tadaaki Miki, Yoshiro Ogata | 1991-02-05 |