Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8867927 | Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them | Yuichi Akiyama, Takeshi Hoshida, Akira Miura, Yutaka Kai, Hiroki Ooi +5 more | 2014-10-21 |
| 8200144 | Image forming apparatus and image forming method | Michio Yamazaki, Tomonari Sakurai, Tsutomu Mori | 2012-06-12 |
| 7817923 | Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them | Yuichi Akiyama, Takeshi Hoshida, Yutaka Kai, Hiroki Ooi, Kentaro Nakamura +3 more | 2010-10-19 |
| 6362913 | Optical modulation apparatus and method of controlling optical modulator | Hiroki Ooi, Hiroshi Nakamoto, George Ishikawa, Takuji Yamamoto | 2002-03-26 |
| 6278539 | Optical modulation apparatus and method of controlling | Hiroki Ooi, Hiroshi Nakamoto, George Ishikawa, Takuji Yamamoto | 2001-08-21 |
| 5506542 | Filter circuit and filter integrated circuit | Hiroshi Hamano, Izumi Amemiya, Yoichi Oikawa, Takuji Yamamoto, Takeshi Ihara | 1996-04-09 |
| 5293087 | Filter circuit and filter integrated circuit | Hiroshi Hamano, Izumi Amemiya, Yoichi Oikawa, Takuji Yamamoto, Takeshi Ihara | 1994-03-08 |