Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591986 | Photoemitter electron tube and photodetector | Minoru Niigaki, Toru Hirohata, Masami Yamada | 1997-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591986 | Photoemitter electron tube and photodetector | Minoru Niigaki, Toru Hirohata, Masami Yamada | 1997-01-07 |