Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9641000 | Semiconductor device | — | 2017-05-02 |
| 9236954 | Photocoupler with protrusion | Kazuhiro Mitamura, Ryuta YAGINUMA | 2016-01-12 |
| 8328436 | Optical module | Kazuhiro Mitamura, Junichi Shimizu, Hideyuki Yamada, Shunsuke Okamoto, Masahiko Takeda +2 more | 2012-12-11 |
| 7504701 | Optical unit featuring both photoelectric conversion chip and semiconductor chip wrapped with flexible sheet | Yoshiaki Morishita, Kowashi Taketomi, Takao Yamazaki, Shinji Watanabe, Ichiro Hatakeyama | 2009-03-17 |