Issued Patents All Time
Showing 126–135 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228043 | Direct modulation phase shift keying (DM-PSK) transmission system | Terumi Chikama, Shigeki Watanabe, Hideo Kuwahara | 1993-07-13 |
| 5201452 | Screen printing apparatus | Ken Takahashi, Hiroyuki Miyake, Takashi Sasaki | 1993-04-13 |
| 5177426 | Over-discharge protection circuitry | Akio Nakanishi, Ken-ichi Ikegaya, Yukio Sejima, Koji Matsushima | 1993-01-05 |
| 5115332 | Receiver for coherent optical communication | Terumi Chikama, Shigeki Watanabe, Tetsuya Kiyonaga, Yoshihito Onoda, Hideo Kuwahara | 1992-05-19 |
| 5052051 | Heterodyne receiver for coherent optical communication | Terumi Chikama, Shigeki Watanabe, Tetsuya Kiyonaga, Yoshihito Onoda | 1991-09-24 |
| 5050176 | Direct modulation phase-shift-keying system and method | Terumi Chikama, Shigeki Watanabe, Tetsuya Kiyonaga, Hiroshi Onaka, Yoshihito Onoda | 1991-09-17 |
| 4965858 | Polarization diversity optical receiver for coherent optical communication | Terumi Chikama, Shigeki Watanabe, Tetsuya Kiyonaga, Yoshihito Onoda, Hideo Kuwahara +2 more | 1990-10-23 |
| 4638985 | Sheet holding apparatus | Yoshinobu Maeda, Kohji Fujiwara | 1987-01-27 |
| 4450948 | Apparatus for supplying headed parts | Yutaka Matsuda, Yuzo Nishimori | 1984-05-29 |
| 4418765 | Power-driven screwdriver with a torque control | Takashi Mori, Shuuji Hosokawa | 1983-12-06 |