Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633562 | Reflection mode alkali photocathode, and photomultiplier using the same | Kazuyoshi Okano, Takehiro Iida, Tetsuo Murata, Hiroaki Washiyama, Yasushi Watase | 1997-05-27 |
| 5623182 | Reflections mode alkali photocathode and photomultiplier using the same | Kazuyoshi Okano, Takehiro Iida, Tetsuo Murata, Hiroaki Washiyama, Yasushi Watase | 1997-04-22 |