Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7569989 | Light emitting device | Koichi Nitta, Hiroaki Oshio, Kenji Shimomura, Nozomu Takahashi | 2009-08-04 |
| 7176623 | Light emitting device | Koichi Nitta, Hiroaki Oshio, Kenji Shimomura, Nozomu Takahashi, Yuji Takahashi +2 more | 2007-02-13 |
| 5200608 | Photo-interrupter operating on wide-ranged power voltage with a constant current means | — | 1993-04-06 |