Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5455704 | Optical-fiber light amplifier | Takashi Mizuochi, Tadayoshi Kitayama, Katsuhiro Shimizu, Kiwami Matsushita, Eiichi Nakagawa | 1995-10-03 |
| 5367587 | Optical amplifier | Takashi Mizuochi, Tadayoshi Kitayama, Katsuhiro Shimizu, Kiwami Matsushita, Eiichi Nakagawa | 1994-11-22 |
| 4271983 | Liquid-withdrawing device | Ichiro Fukuchi | 1981-06-09 |