Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495493 | Semiconductor laser device | Hatsumi Matsuura | 1996-02-27 |
| 5408488 | Semiconductor laser device | Motoyuki Yamamoto | 1995-04-18 |
| 5345092 | Light emitting diode including active layer having first and second active regions | — | 1994-09-06 |
| 5242856 | Method of manufacturing a window structure semiconductor laser | Hideo Tamura, Hirokazu Tanaka | 1993-09-07 |
| 4879724 | Semiconductor laser | Kenji Matsumoto | 1989-11-07 |
| 4663762 | Inner stripe semiconductor laser with stepped channel | Hideo Tamura, Kazuo Suzuki, Kenji Matsumoto | 1987-05-05 |
| 4639925 | Semiconductor laser | Minoru Sagara, Kenji Matumoto, Hideo Tamura | 1987-01-27 |