Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635733 | Semiconductor light emitting element with a current diffusing layer having a changing carrier concentration therein | Hiroaki Okagawa, Takayuki Hashimoto, Keiji Miyashita, Tomoo Yamada | 1997-06-03 |
| 5631475 | Semiconductor light emitting element | Shinichi Watabe, Hiroaki Okagawa, Takayuki Hashimoto | 1997-05-20 |