Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955057 | Reverb generator | — | 1990-09-04 |
| 4873722 | Multi-channel reproducing system | — | 1989-10-10 |
| 4644517 | Audio signal amplifier for an electromagnetic phono cartridge | — | 1987-02-17 |
| 4524745 | Electronic control fuel injection system for spark ignition internal combustion engine | Takashi Ishida | 1985-06-25 |
| 4516184 | Circuit device for driving electromagnetically movable unit at high speed with single power source | — | 1985-05-07 |
| 4473056 | Exhaust gas recirculation valve and method of controlling the valve | Takashi Ishida | 1984-09-25 |
| 4462358 | Throttle valve | Takashi Ishida | 1984-07-31 |
| 4430975 | Throttle valve actuating system used in ignition type internal combustion engines | Takashi Ishida | 1984-02-14 |
| 4428891 | Throttle valve driving mechanism | Takashi Ishida | 1984-01-31 |
| 4424785 | Fuel feed system for an internal combustion engine | Takashi Ishida | 1984-01-10 |
| 4422123 | Circuit for driving solenoid at high speed with choke coil | Shuichi Kamiyama | 1983-12-20 |
| 4418673 | Electronic control fuel injection system for spark ignition internal combustion engine | Takashi Ishida | 1983-12-06 |