Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633562 | Reflection mode alkali photocathode, and photomultiplier using the same | Kazuyoshi Okano, Tetsuo Murata, Nobuharu Suzuki, Hiroaki Washiyama, Yasushi Watase | 1997-05-27 |
| 5623182 | Reflections mode alkali photocathode and photomultiplier using the same | Kazuyoshi Okano, Tetsuo Murata, Nobuharu Suzuki, Hiroaki Washiyama, Yasushi Watase | 1997-04-22 |
| 5463272 | Cathode for photoelectric emission, cathode for secondary electron emission, electron multiplier tube, and photomultiplier tube | Yasushi Watase, Masao Kinoshita, Hiroyuki Watanabe, Takeo Hashimoto, Hiroaki Washiyama | 1995-10-31 |