Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980730 | Light emitting element of cubic boron nitride | Osamu Mishima, Osamu Fukunaga, Junzo Tanbaka, Koh Era | 1990-12-25 |
| 4875967 | Method for growing a single crystal of cubic boron nitride semiconductor and method for forming a p-n junction thereof, and light emitting element | Osamu Mishima, Osamu Fukunaga, Junzo Tanaka, Koh Era | 1989-10-24 |