Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041085 | Carrier regenerating circuit, multi-level quadrature amplitude demodulator, and method of detecting frequency deviation | — | 2000-03-21 |
| 5905718 | Communication system for multicasting delay-adjusted signals on same radio frequencies to adjoining cells | Yuzo Kurokami | 1999-05-18 |
| 5881111 | Frequency sweep circuit | — | 1999-03-09 |
| 5253624 | Idling speed control system of internal combustion engine | Yoshinori Yamamura | 1993-10-19 |
| 5211150 | Fuel supply apparatus for internal combustion engine | — | 1993-05-18 |
| 5121724 | Multi-cylinder internal combustion engine with individual port throttles upstream of intake valves | Toshimi Abo | 1992-06-16 |
| 5113826 | Intake air control system for internal combustion engine | — | 1992-05-19 |
| 4379441 | System for controlling the air-fuel ratio in a combustion engine | — | 1983-04-12 |
| 4369757 | Plasma jet ignition system | — | 1983-01-25 |
| 4214558 | Fuel control method and system with a circuit for operating valve in effective working range | Tetsuji Nishioka, Masaharu Asano, Akio Hosaka | 1980-07-29 |
| 4182292 | Closed loop mixture control system with a voltage offset circuit for bipolar exhaust gas sensor | Akio Hosaka | 1980-01-08 |