Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643393 | Electromagnetic valve | Seiji Kosugi | 1987-02-17 |
| 4641295 | Disc playback apparatus | Shunsuke Furukawa, Marinus J. B. M. Monen | 1987-02-03 |
| 4628192 | Cash handling machine | — | 1986-12-09 |
| 4598287 | Remote control apparatus | Yoshio Osakabe | 1986-07-01 |
| 4579852 | Agent for avoiding occlusion of shunts in substitute blood tubes | — | 1986-04-01 |
| 4573039 | Digital to analog converter | Miki Abe | 1986-02-25 |
| 4401954 | Power amplifier | — | 1983-08-30 |
| 4363001 | Digital gain control apparatus | Tadao Yoshida | 1982-12-07 |
| 4331762 | Bacillus stearothermophilus strain UK 788 and process for producing a useful enzyme | Hiroshi Nakajima, Kazuhiko Nagata, Masao Kageyama, Toyohiko Suga, Kenzo Motosugi | 1982-05-25 |
| 4313065 | Switching circuit with MOS field effect transistor | Tadao Yoshida | 1982-01-26 |
| 4275359 | MOS FET Amplifier | Tadao Yoshida | 1981-06-23 |
| 4274058 | Amplifier with separate AC and DC feedback loops | — | 1981-06-16 |
| 4249136 | PWM Signal power amplifier | Tadao Yoshida | 1981-02-03 |
| 4217419 | Dried lactic acid bacteria composition | — | 1980-08-12 |
| 4210873 | Gain and impedance switching circuit for an amplifier | Hirohito Kawada | 1980-07-01 |
| 4208706 | Switching regulator | Shigeaki Wachi | 1980-06-17 |
| 4184187 | Unbalanced DC voltage detecting circuit | — | 1980-01-15 |