Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366568 | Semiconductor laser | Hirokazu Shimizu, Takashi Sugino, Masaru Wada | 1982-12-28 |
| 4365336 | Terraced substrate semiconductor laser | Takashi Sugino, Hirokazu Shimizu, Masaru Wada | 1982-12-21 |
| 4360920 | Terraced substrate semiconductor laser | Masaru Wada, Hirokazu Shimizu, Takashi Sugino | 1982-11-23 |
| 4358850 | Terraced substrate semiconductor laser | Takashi Sugino, Masaru Wada, Hirokazu Shimizu | 1982-11-09 |