Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816014 | Hot melt adhesive for disposable products | Masahiro Moriguchi, Shigekazu Saito, Kentarou Inoue, Naohiro Maeda | 2017-11-14 |
| 7304542 | Photo-receiving amplifier element, optical pickup unit, and optical disk device | Motohiko Yamamoto | 2007-12-04 |
| 7263046 | Photo-detector amplifier circuit for optical disk device | Takashi Yokoyama | 2007-08-28 |
| 7133346 | Photo-detector amplifier circuit for optical disk device | Takashi Yokoyama | 2006-11-07 |
| 7002881 | Light receiving amplification element | Masaya Ohnishi | 2006-02-21 |
| 6480311 | Peak-hold circuit and an infrared communication device provided with such a circuit | Naruichi Yokogawa | 2002-11-12 |
| 6147533 | Data communication receiving elements | Naruichi Yokogawa, Takayuki Shimizu, Fumitaka Nakamura | 2000-11-14 |
| 6137101 | Light receiving amplifying device | Naruichi Yokogawa, Takayuki Shimizu | 2000-10-24 |