Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309268 | Optical communication system and optical communication method | Kenji Nakamura | 1994-05-03 |
| 5309275 | Semiconductor optical amplifying apparatus | Michiyo Nishimura, Kenji Nakamura, Masao Majima, Toru Nakata | 1994-05-03 |
| 5287521 | Method and apparatus for releasing and obtaining shared and exclusive locks | Shigeru Yoneda, Shoji Yamamoto | 1994-02-15 |