Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8391657 | Optical module | Nobuyuki Asahi, Makoto Nisimura, Nobuyuki Miyagawa, Hiroyuki Yagyu, Yutaka Kinugasa +2 more | 2013-03-05 |
| 8097850 | Infrared sensor | Hiroshi Yamanaka, Koji Tsuji, Masao Kirihara, Takaaki Yoshihara, Youichi Nishijima | 2012-01-17 |
| 7580593 | Optical attenuator | Nobuyuki Miyagawa, Tadahiro Yamaji, Takuya Matsumoto | 2009-08-25 |