Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789265 | Method of manufacturing blue light-emitting device by using BCL3 and CL2 | Koichi Nitta | 1998-08-04 |
| 5457328 | Semiconductor light emitting device having strong directivity of light emission | Katuhiko Nisitani | 1995-10-10 |