Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425349 | Engine fuel injection controller | Kenji Ohta, Hiroshi Iwano | 1995-06-20 |
| 5404862 | Engine fuel injection controller | Kenji Ohta, Ichiro Itonaga | 1995-04-11 |
| 5345921 | Engine air-fuel ratio controller | Hiroshi Iwano | 1994-09-13 |
| 5271374 | Air-fuel ratio controller for engine | Hiroshi Iwano | 1993-12-21 |
| 5265581 | Air-fuel ratio controller for water-cooled engine | — | 1993-11-30 |
| 5228336 | Engine intake air volume detection apparatus | — | 1993-07-20 |
| 5188082 | Fuel injection control system for internal combustion engine | Hiroshi Udo, Tadaoki Takasaki, Kou Ido | 1993-02-23 |
| 5067466 | System for measuring air flow rate for internal combustion engines | — | 1991-11-26 |
| 5065716 | Fuel supply control system for internal combustion engine with improved engine acceleration characterisitcs after fuel cut-off operation | Toyoaki Nakagawa | 1991-11-19 |
| 4987890 | Fuel injection control system for internal combustion engine | — | 1991-01-29 |
| 4951209 | Induction volume sensing arrangement for internal combustion engine or the like | Hiroshi Sanbuichi, Masaaki Uchida, Hiromichi Miwa, Toshio Takahata, Yasuo Seimiya +1 more | 1990-08-21 |
| 4949694 | Fuel supply control system for internal combustion engine | Hiromichi Miwa, Toyoaki Nakagawa | 1990-08-21 |
| 4922877 | System and method for controlling fuel injection quantity for internal combustion engine | — | 1990-05-08 |
| 4892072 | System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow | Hiromichi Miwa, Ichirou Kishiki, Hirokimi Koyama | 1990-01-09 |
| 4873641 | Induction volume sensing arrangement for an internal combustion engine or the like | Yasuo Seimiya, Hideyuki Tamura, Hiromichi Miwa, Hiroshi Sanbuichi, Masaaki Uchida +1 more | 1989-10-10 |
| 4852538 | Fuel injection control system for internal combustion engine | — | 1989-08-01 |
| 4841937 | Air/fuel ratio control system for internal combustion engine with asynchronous fuel delivery control | — | 1989-06-27 |
| 4750103 | System and method for detecting and controlling knocking in an internal combustion engine | Toshimi Abo, Hiroyuki Naito, Kunifumi Sawamoto, Tatsuo Morita, Yoshihisa Kawamura | 1988-06-07 |
| 4602506 | Combustion pressure sensor arrangement | Kunifumi Sawamoto, Kiyoshi Takeuchi | 1986-07-29 |
| 4507986 | Control system for motor vehicle | Kenji Okamura, Tsuyoshi Kitahara, Kohki Sone, Koyo Nakamura | 1985-04-02 |
| 4479866 | Gas sensor with sensitive element enclosed in perforated hood | Kohki Sone, Hidehiro Minami, Kenji Okamura, Yoshitaka Kitagasaki | 1984-10-30 |
| 4458529 | Hot wire flow meter | Toyoaki Nakagawa | 1984-07-10 |
| 4386520 | Flow rate measuring apparatus | — | 1983-06-07 |
| 4377145 | Intake vacuum sensing system with correction device for an internal combustion engine | — | 1983-03-22 |
| 4345560 | Electronically controlled carburetor | Koyo Nakamura | 1982-08-24 |