Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122634 | Welding transformer control apparatus | Teruzo Yamaguchi | 1992-06-16 |
| 5120667 | Process for fabricating a thin film transistor | Keiji Tarui, Shuhei Tsuchimoto | 1992-06-09 |
| 5072090 | Inverter type resistance welding machine | — | 1991-12-10 |
| 4999477 | Resistance measuring mechanism in a resistance welding machine | Teruzo Yamaguchi | 1991-03-12 |
| 4941442 | Apparatus for controlling fuel delivery to engine | Yasutoshi Nanyoshi | 1990-07-17 |
| 4930477 | System and method for controlling ignition timing for internal combustion engine | Yasutoshi Nanyoshi, Toshio Matsumura, Hidetoshi Shigyo | 1990-06-05 |
| 4819603 | System and method for controlling ignition timing for an internal combustion engine | Terufumi Hidaka, Yuichi Kashimura | 1989-04-11 |
| 4819171 | Engine spark timing control system | — | 1989-04-04 |
| 4774922 | Spark ignition timing control system for spark ignition internal combustion engine with quicker advance of spark advance in transition from anti-knock mode to MBI mode control operation | — | 1988-10-04 |
| 4760825 | System for controlling an engine and method therefor | — | 1988-08-02 |
| 4750101 | Transformer apparatus with rectifier | — | 1988-06-07 |
| 4750103 | System and method for detecting and controlling knocking in an internal combustion engine | Toshimi Abo, Hiroyuki Naito, Hatsuo Nagaishi, Kunifumi Sawamoto, Yoshihisa Kawamura | 1988-06-07 |
| 4739149 | Current sensor for welder conductor | Toshihiro Nishiwaki | 1988-04-19 |
| 4694800 | System and method for controlling ignition timing for an internal combustion engine | — | 1987-09-22 |
| 4679536 | Engine combustion condition detecting system and method | — | 1987-07-14 |
| 4658789 | Ignition timing control system and method for an internal combustion engine | — | 1987-04-21 |
| 4654229 | Method for the production of substrates with a uniform dispersion of extremely fine granules | Yoshiharu Nakajima, Shigeo Nakajima | 1987-03-31 |
| 4625690 | System for controlling an engine and method therefor | — | 1986-12-02 |
| 4561401 | Air-fuel ratio control system | Yoshitaka Hata | 1985-12-31 |
| 4556029 | Back-up system and method for engine coolant temperature sensor in electronic engine control system | Hiroshi Yamaguchi, Kunifumi Sawamoto, Hiroshi Sanbuichi, Satoshi Takizawa | 1985-12-03 |
| 4543934 | Air/fuel ratio control system for internal combustion engine and method therefor | Kunifumi Sawamoto | 1985-10-01 |
| 4450814 | Air-fuel ratio control apparatus and method for an internal combustion engine with a turbocharger | Kunifumi Sawamoto, Kenji Ikeura, Hiroshi Yamaguchi | 1984-05-29 |
| 4438748 | Method of supplying fuel to an internal combustion engine during start-up | Kenji Ikeura, Hiroshi Yamaguchi, Kunifumi Sawamoto | 1984-03-27 |
| 4387681 | Fuel supply control system for an internal combustion engine | Kenji Ikeura | 1983-06-14 |