Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9329077 | Semiconductor photodetector device | Masaharu Nakaji, Yoshihiro Hisa | 2016-05-03 |
| 7239654 | Wave length plate, wavelength filter and wavelength monitor | Masao Imaki, Syuhei Yamamoto, Youhei Mikami, Yoshihito Hirano, Makoto Satou +2 more | 2007-07-03 |