Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488122 | Optical connector and optical module | Junichi Sasaki, Ichiro Hatakeyama, Kazuhiko Kurata | 2009-02-10 |
| 7473038 | Optical connector for coupling an optical fiber to a circuit board | Kunihiko Fujiwara, Akito Nishimura, Kenji Sasaki, Yukio Hayashi, Ichiro Hatakeyama +4 more | 2009-01-06 |
| 6842651 | Programmable controller having plural speed pattern generators | — | 2005-01-11 |
| 6765360 | Dynamic optimizing method for speed data and positioning device using this method | — | 2004-07-20 |
| 4992792 | Digital-analog converter for converting digital audio signals | Ryoichi Mori, Kazuo Toraichi, Takashi Tokuyama, Koichi Endo | 1991-02-12 |
| 4862170 | Digital-analog converter | Takashi Tokuyama, Kazuya Nishiga, Yoshihiro Arai, Nobuhide Ueki, Naoki Adachi | 1989-08-29 |