Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236658 | Optical switch | Tomoki Uesugi, Yoichi Nakanishi | 2007-06-26 |
| 7212721 | Variable optical attenuator | Kiyoshi Imai, Yoichi Nakanishi, Hirokazu Tanaka, Tetsuya Onishi | 2007-05-01 |
| 7095919 | Optical switch | Ryuji Kawamoto, Hirokazu Tanaka, Tetsuya Onishi, Kiyoshi Imai, Yoichi Nakanishi +1 more | 2006-08-22 |