Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Hisaya Sakamoto, Akimitsu Miyazaki, Tomoyuki Otsuka | 2004-02-17 |
| 6643472 | APD bias circuit | Hisaya Sakamoto, Tetsuya Kiyonaga, Akimitsu Miyazaki, Nobuaki Sato | 2003-11-04 |