Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10208698 | Direct fuel injection internal combustion engine | Susumu Nakajima, Naoki Yokoyama, Kenji Hirose, Hidekazu Hironobu, Tatsuo Yamanaka +2 more | 2019-02-19 |
| 10180113 | Control system for internal combustion engine | Tatsuo Yamanaka, Susumu Nakajima, Naoki Yokoyama, Kenji Hirose, Hidekazu Hironobu | 2019-01-15 |
| 10094318 | Internal combustion engine control device and method for controlling fuel injection valve of internal combustion engine | Tatsuo Yamanaka, Susumu Nakajima, Naoki Yokoyama, Kenji Hirose, Hidekazu Hironobu | 2018-10-09 |
| 6679982 | Oxygen sensor | Hiroshi Matsuzaki, Keiji Suzuki, Teppei Ookawa, Hiroshi Kubota, Hiroyuki Fujita +1 more | 2004-01-20 |
| 6210552 | Oxygen sensor | Akio Mizutani, Teppei Okawa, Hiroshi Isomura, Hiroshi Kubota, Hiroyuki Fujita | 2001-04-03 |
| 6182498 | Oxygen sensor | Akio Mizutani, Teppei Okawa, Hiroshi Kubota, Hiroyuki Fujita | 2001-02-06 |
| 6176080 | Oxygen concentration sensor abnormality-detecting system for internal combustion engines | Atsushi Izumiura, Akira Murakami, Hirohisa Kitaura, Shigeo Hidai | 2001-01-23 |
| 5983714 | System for detecting failure of fuel pressure sensor | Atsushi Izumiura, Akira Murakami, Atsushi Kato, Shigeo Hidai | 1999-11-16 |
| 5941212 | Air-fuel ratio control system for internal combustion engines | Akira Murakami, Shigeo Hidai, Eisaku Gosho | 1999-08-24 |