Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810925 | GaN single crystal | Kazuyuki Tadatomo, Hiroaki Okagawa, Kazumasa Hiramatsu | 1998-09-22 |
| 5793061 | Group-III nitride based light emitter | Youichiro Ohuchi, Hiroaki Okagawa, Kazuyuki Tadatomo | 1998-08-11 |
| 5770887 | Gan single crystal | Kazuyuki Tadatomo, Hiroaki Okagawa, Kazumasa Hiramatsu | 1998-06-23 |
| 5631475 | Semiconductor light emitting element | Hiroaki Okagawa, Takayuki Hashimoto, Kazuyuki Tadatomo | 1997-05-20 |
| 5414281 | Semiconductor light emitting element with reflecting layers | Tadatomo Kazuyuki, Hiroaki Okagawa | 1995-05-09 |
| 5169608 | Inorganic article for crystal growth and liquid-phase epitaxy apparatus using the same | Hirotaka Ito, Tokuzo Sukegawa | 1992-12-08 |