Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879725 | Semiconductor laser device having extended facet life | Hidenori Kawanishi, Hiroshi Hayashi, Taiji Morimoto, Shinji Kaneiwa | 1989-11-07 |
| 4853936 | Index guided semiconductor laser device | Sadayoshi Matsui, Shinji Kaneiwa, Taiji Morimoto, Mototaka Taneya, Mitsuhiro Matsumoto | 1989-08-01 |