Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942536 | Method of automatic circuit translation | Toshinori Watanabe, Fumihiko Mori, Tamotsu Nishiyama, Makoto Furihata, Noboru Horie | 1990-07-17 |
| 4803636 | Circuit translator | Tamotsu Nishiyama, Toshinori Watanabe, Noboru Horie, Makoto Furihata, Fumihiko Mori | 1989-02-07 |
| 4525636 | Variable electronic impedance circuit | Yuichi Ohkubo, Kohki Aizawa, Satoshi Sasaki | 1985-06-25 |
| 4510458 | Amplifier circuit | Tetsuo Sato, Yoshiyuki Takizawa, Akira Haeno | 1985-04-09 |
| 4500932 | Signal processing circuit | Tetsuo Sato | 1985-02-19 |
| 4476502 | Noise reduction system | Kazuo Watanabe, Yoshiyuki Takizawa, Akira Haeno | 1984-10-09 |
| 4473852 | Noise reduction system | Kazuo Watanabe, Fumihiko Yokogawa, Nobuhiro Suzuki | 1984-09-25 |
| 4412189 | Switchable signal compressor/signal expander | Tetsuo Sato, Yuichi Ohkubo | 1983-10-25 |
| 4362998 | FM Detector using a phase shift network and an analog multiplier | Kazuo Watanabe, Masanori Ienaka, Makoto Homma | 1982-12-07 |
| 4354209 | Recording/playing circuit | Tetsuo Sato | 1982-10-12 |
| 4313145 | Power output circuit | Masanori Ienaka, Masahiro Yamamura, Kazuo Watanabe | 1982-01-26 |
| 4297601 | Monostable multivibrator circuit and FM detector circuit employing predetermined load resistance and constant current to increase response rate of differential transistor pair | Takeshi Wada, Yukihiko Miyamoto, Tsuneo Yamada | 1981-10-27 |
| 4292549 | Monostable multivibrator and FM detector circuit employing differential transistor pair (threshold) trigger circuit to avoid interference signal operation | Takeshi Wada, Masanori Ienaka, Yukihiko Miyamoto, Tsuneo Yamada | 1981-09-29 |
| 4283674 | Constant voltage output circuit | Masahiro Yamamura, Katsuji Mizumoto, Toshihide Hanada | 1981-08-11 |
| 4282448 | Monostable multivibrator and FM detector circuit employing common emitter transistor amplifier with plural emitter resistors to avoid circuit operation from signal noise | Takeshi Wada, Masanori Ienaka, Yukihiko Miyamoto, Tsuneo Yamada | 1981-08-04 |
| 4276442 | Protective circuit | Masanori Ienaka, Masahiro Yamamura, Kazuo Watanabe | 1981-06-30 |
| 4272709 | Circuit for controlling the drive of motor | Katsuji Mizumoto, Toshihide Hanada, Masahiro Yamamura | 1981-06-09 |
| 4264873 | Differential amplification circuit | Masahiro Yamamura, Katsuji Mizumoto, Toshihide Hanada | 1981-04-28 |
| 4247949 | Signal strength detecting circuit | Kazuo Watanabe, Masanori Ienaka, Makoto Homma | 1981-01-27 |
| 4236117 | FM Detector using a phase shift network and an analog multiplier | Kazuo Watanabe, Masanori Ienaka, Makoto Homma | 1980-11-25 |
| 4236252 | Double-converting FM tuner | Masanori Ienaka, Takeshi Wada, Yukihiko Miyamoto, Tsuneo Yamada | 1980-11-25 |