Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869915 | Whipped oily flavor | Kuniaki Inayoshi, Yoshitsugu Egawa, Yoshinori Hirukawa | 1989-09-26 |
| 4835788 | Distributed feedback semiconductor laser | — | 1989-05-30 |
| 4796273 | Distributed feedback semiconductor laser | — | 1989-01-03 |