Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864585 | External cavity type semiconductor laser apparatus | Hiroshi Hayashi, Shigeki Maei, Osamu Yamamoto, Hidenori Kawanishi | 1989-09-05 |
| 4860305 | External cavity type semiconductor laser apparatus | Hidenori Kawanishi, Shigeki Maei, Osamu Yamamoto, Hiroshi Hayashi | 1989-08-22 |
| 4829531 | External resonator type semiconductor laser | Hidenori Kawanishi, Osamu Yamamoto, Shigeki Maei, Hiroshi Hayashi | 1989-05-09 |
| 4815089 | Semiconductor laser | Shigeki Maei, Osamu Yamamoto, Taiji Morimoto, Hiroshi Hayashi, Saburo Yamamoto | 1989-03-21 |
| 4811350 | Semiconductor laser apparatus | Osamu Yamamoto, Shigeki Maei, Hiroshi Hayashi, Hidenori Kawanishi | 1989-03-07 |
| 4806778 | Micro-displacement measuring apparatus using a semiconductor laser | Osamu Yamamoto, Hiroshi Hayashi, Sadayoshi Matsui, Haruhisa Takiguchi | 1989-02-21 |