Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9083470 | Optical receiver | Mitsuo Akashi, Yoshikazu Era, Atsushi Takai | 2015-07-14 |
| 8909067 | Optical output module, optical transceiver, and optical transmission system | Kouji Takeguchi, Taichi Kogure, Hirofumi Nakagawa, Saki Narisawa | 2014-12-09 |
| 8098998 | Optical transmitter | Takayoshi Fukui, Yoshikuni Uchida, Kazuyoshi Yamaki, Youichi Honzawa | 2012-01-17 |
| 7391974 | Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals | Tetsuya Uda, Shigenori Hayase, Yoshimasa Kusano, Satoshi Asamizu, Hirofumi Nakano | 2008-06-24 |
| 7194210 | Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals | Tetsuya Uda, Shigenori Hayase, Yoshimasa Kusano, Satoshi Asamizu, Hirofumi Nakano | 2007-03-20 |