Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571321 | Method for producing a gallium phosphide epitaxial wafer | Munehisa Yanagisawa, Yuuki Tamura, Hidetoshi Matsumoto | 1996-11-05 |
| 5407858 | Method of making gap red light emitting element substrate by LPE | Munehisa Yanagisawa, Yuuki Tamura, Hidetoshi Matsumoto | 1995-04-18 |
| 5300792 | Gap red light emitting diode | Munehisa Yanagisawa, Yuki Tamura, Toshio Otaki | 1994-04-05 |