Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596957 | Amplifier system switchable between two amplifying operations | Haruo Niki | 1986-06-24 |
| 4552118 | Control circuit for controlling output pulse width using negative feedback signal | — | 1985-11-12 |
| 4509494 | Pulse width control circuit | Shigeo Nishitoba | 1985-04-09 |
| 4494077 | Amplifier system switchable between two amplifying operations | Haruo Niki | 1985-01-15 |
| 4469082 | Pulse width control circuit in which a feedback amount is varied depending upon an operating temperature | Shigeo Nishitoba | 1984-09-04 |
| 4330757 | Semiconductor power amplification circuit | Hisashi Togari | 1982-05-18 |
| 4287390 | Power amplifier apparatus having over-current protection function | Masashi Shoji | 1981-09-01 |
| 4227127 | Motor speed control circuit having improved starting characteristics | Jun Kishi | 1980-10-07 |