Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570490 | Infrared transmission filter and imaging device | Makoto Hasegawa, Masahiro Mori | 2017-02-14 |
| 7782738 | Phase plate and optical head device | Koichi Murata | 2010-08-24 |
| 7738344 | Liquid crystal lens element optical head device | Yoshiharu Ooi, Takuji Nomura, Mitsuo Oosawa, Yuzuru Tanabe | 2010-06-15 |