Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6707024 | Bias circuit for a photodetector, and an optical receiver | Yoshinobu Miyamoto, Nobuaki Sato, Setsuo Misaizu, Hisaya Sakamoto | 2004-03-16 |
| 6694273 | Receiving apparatus, method of compensating for waveform degradation of received signal, apparatus and method for detecting waveform degradation, and apparatus and method for measuring waveform | Takashi Kurooka, Hisaya Sakamoto, Tomoyuki Otsuka | 2004-02-17 |
| 6643472 | APD bias circuit | Hisaya Sakamoto, Tetsuya Kiyonaga, Takashi Kurooka, Nobuaki Sato | 2003-11-04 |
| 6188738 | Clock extraction circuit | Hisaya Sakamoto, Akihiko Sugata, Tetsuya Kiyonaga | 2001-02-13 |
| 6065129 | Clock signal detection circuit | Hisaya Sakamoto, Akihiko Sugata, Tetsuya Kiyonaga | 2000-05-16 |
| 6040931 | Optical transmitter, terminal-station apparatus having the optical transmitter, and optical communication system | Sadao Ibukuro, Yasunori Nagakubo | 2000-03-21 |