Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769304 | Signal light processing apparatus | Toru Yamazaki, Yoshito Anazawa, Hiroshi Kuzukami | 2010-08-03 |
| 7245837 | Optical transmitting device | Toru Yamazaki, Rumiko Tashiro | 2007-07-17 |
| 6707024 | Bias circuit for a photodetector, and an optical receiver | Yoshinobu Miyamoto, Nobuaki Sato, Setsuo Misaizu, Akimitsu Miyazaki | 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, Akimitsu Miyazaki, Tomoyuki Otsuka | 2004-02-17 |
| 6643472 | APD bias circuit | Tetsuya Kiyonaga, Takashi Kurooka, Akimitsu Miyazaki, Nobuaki Sato | 2003-11-04 |
| 6188738 | Clock extraction circuit | Akihiko Sugata, Akimitsu Miyazaki, Tetsuya Kiyonaga | 2001-02-13 |
| 6065129 | Clock signal detection circuit | Akihiko Sugata, Tetsuya Kiyonaga, Akimitsu Miyazaki | 2000-05-16 |
| 5736875 | Discrimination circuit capable of automatically optimizing discrimination level and discrimination phase | Takashi Tsuda, Yasunori Nagakubo | 1998-04-07 |
| 5625181 | Light-receipt system with current bias circuit and pre-amplifier for use in optical digital communication | Akihiko Yasuda, Setsuo Misaizu, Yuji Miyaki, Norio Nagase, Hiroshi Kuzukami | 1997-04-29 |