Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980730 | Light emitting element of cubic boron nitride | Osamu Mishima, Shinobu Yamaoka, Osamu Fukunaga, Koh Era | 1990-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980730 | Light emitting element of cubic boron nitride | Osamu Mishima, Shinobu Yamaoka, Osamu Fukunaga, Koh Era | 1990-12-25 |