Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712219 | Visible double heterostructure-semiconductor laser | Seiki Yano, Saburo Yamamoto, Shinji Kaneiwa | 1987-12-08 |
| 4692206 | Method for producing a semiconductor laser device having a buried heterostructure | Shinji Kaneiwa, Toshihiko Yoshida, Sadayoshi Matsui | 1987-09-08 |
| 4679200 | Semiconductor laser | Sadayoshi Matsui, Mototaka Taneya, Shinji Kaneiwa | 1987-07-07 |
| 4660983 | Apparatus for measuring reflectivities of resonator facets of semiconductor laser | Osamu Yamamoto, Sadayoshi Matsui | 1987-04-28 |
| 4658403 | Optical element in semiconductor laser device having a diffraction grating and improved resonance characteristics | Shinji Kaneiwa, Sadayoshi Matsui, Mototaka Taneya | 1987-04-14 |
| 4655597 | Micro-displacement measuring apparatus using a semiconductor laser | Osamu Yamamoto, Sadayoshi Matsui, Hiroshi Hayashi, Nobuyuki Miyauchi | 1987-04-07 |