Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855256 | Method of manufacturing masked semiconductor laser | Hiroshi Kobayashi, Haruhiko Machida, Makoko Harigaya, Jun Akedo | 1989-08-08 |
| 4840922 | Method of manufacturing masked semiconductor laser | Hiroshi Kobayashi, Haruhiko Machida, Hideaki Ema, Jun Akedo, Makoto Harigaya | 1989-06-20 |