Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8975645 | Optical filter | Ken Nakahara, Shunsuke Akasaka, Koki SAKAMOTO, Tetsuo Fujii, Shunsuke FURUSE | 2015-03-10 |
| 8610133 | Photodetection device | Ken Nakahara, Shunsuke Akasaka, Koki SAKAMOTO, Tetsuo Fujii, Shunsuke FURUSE | 2013-12-17 |
| 7856046 | Surface emitting laser diode including grating layer | — | 2010-12-21 |