Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879725 | Semiconductor laser device having extended facet life | Masahiro Yamaguchi, Hiroshi Hayashi, Taiji Morimoto, Shinji Kaneiwa | 1989-11-07 |
| 4864585 | External cavity type semiconductor laser apparatus | Hiroshi Hayashi, Shigeki Maei, Osamu Yamamoto, Nobuyuki Miyauchi | 1989-09-05 |
| 4860305 | External cavity type semiconductor laser apparatus | Nobuyuki Miyauchi, Shigeki Maei, Osamu Yamamoto, Hiroshi Hayashi | 1989-08-22 |
| 4829531 | External resonator type semiconductor laser | Osamu Yamamoto, Nobuyuki Miyauchi, Shigeki Maei, Hiroshi Hayashi | 1989-05-09 |
| 4813051 | Semiconductor laser array device | Mototaka Taneya, Mitsuhiro Matsumoto, Sadayoshi Matsui | 1989-03-14 |
| 4811350 | Semiconductor laser apparatus | Osamu Yamamoto, Shigeki Maei, Hiroshi Hayashi, Nobuyuki Miyauchi | 1989-03-07 |
| 4811351 | Semiconductor laser array device | Sadayoshi Matsui, Mototaka Taneya, Mitsuhiro Matsumoto | 1989-03-07 |