Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891828 | Method of producing superconducting PrBa.sub.2 Cu.sub.3 O.sub.y single crystal and PrBa.sub.2 Cu.sub.3 O.sub.y superconducting device | Kunihiko Oka, Zhigang Zou, Hiroshi Akoh | 1999-04-06 |
| 4725955 | Apparatus for controlling ignition timing in an internal combustion engine | Nobuyuki Kobayashi, Takashi Hattori | 1988-02-16 |
| 4723519 | Ignition timing control system for an internal combustion engine | Akira Mori | 1988-02-09 |
| 4719888 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Nobuyuki Kobayashi, Takashi Hattori | 1988-01-19 |
| 4713766 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Nobuyuki Kobayashi, Takashi Hattori, Katsunori Yagi | 1987-12-15 |
| 4696278 | Method and device for control of internal combustion engine at end of fuel cut off | Chigaku Murata | 1987-09-29 |
| 4677954 | Method and system incorporating zero-correction for fuel supply control for internal combustion engine | Akio Okamoto | 1987-07-07 |
| 4653451 | Method and apparatus for detecting surging in internal combustion engine | Nobuyuki Kobayashi, Takashi Hattori, Katsunori Yagi | 1987-03-31 |
| 4651700 | Method and apparatus for controlling air-fuel ration in internal combustion engine | Nobuyuki Kobayashi, Takao Akatsuka, Masakazu Ninomiya | 1987-03-24 |
| 4644921 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Nobuyuki Kobayashi | 1987-02-24 |
| 4617890 | Apparatus for controlling idling speed in internal combustion engine having two bypass air passages | Nobuyuki Kobayashi | 1986-10-21 |
| 4607603 | Fuel injection system employing the second time differential of pressure or air flow rate | Nobuyuki Kobayashi, Kazuhiko Norota | 1986-08-26 |
| 4598678 | Intake system of an internal combustion engine | Nobuyuki Kobayashi | 1986-07-08 |
| 4592315 | Control device of an internal combustion engine | Nobuyuk Kobayashi, Takashi Hattori | 1986-06-03 |
| 4587938 | Control device for controlling air-fuel ratio and spark timing of an integral combustion engine | Nobuyuki Kobayashi, Katsunori Yagi | 1986-05-13 |
| 4557234 | Method and system for controlling idle speed in an internal combustion engine | — | 1985-12-10 |
| 4556033 | Air/fuel ratio feedback control for an internal combustion engine | Nobuyuki Kobayashi | 1985-12-03 |
| 4550373 | Temperature-feedback electronic engine control apparatus and method | Toshiaki Isobe, Takashi Hattori | 1985-10-29 |
| 4539958 | Method of learn-controlling air-fuel ratio for internal combustion engine | Nobuyuki Kobayashi | 1985-09-10 |
| 4519355 | Method of control of internal combustion engine variable swirl air-fuel intake system with direct and helical intake passages | Kazushiro Fujimura | 1985-05-28 |
| 4517949 | Air fuel ratio control method | Toshiaki Isobe | 1985-05-21 |
| 4512318 | Internal combustion engine with fuel injection system | Toshiaki Isobe | 1985-04-23 |
| 4508086 | Method of electronically controlling fuel injection for internal combustion engine | Kazuhiko Norota | 1985-04-02 |
| 4457283 | Electronically controlled fuel injection system | Nobuyuki Kobayashi | 1984-07-03 |
| 4356551 | Knock detecting method | Kazuo Iwase, Hisasi Kawai, Kunimasa Yoshimura, Yoshiyasu Ito | 1982-10-26 |