Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11163098 | Optical filter and optical sensor device | Katsuya Nagaya, Hiroyuki Kishida, Masako Horiuchi | 2021-11-02 |
| 10996105 | Optical filter having low incident angle dependence of incident light, ambient light sensor, sensor module and electronic device | Katsuya Nagaya, Toshihiro Otsuki, Takashi Tsubouchi | 2021-05-04 |
| 9606275 | Optical filter, solid-state image pickup device and camera module | Katsuya Nagaya, Yukie Tanaka, Toshihiro Otsuki, Takashi Tsubouchi | 2017-03-28 |