Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11939928 | EGR control method and EGR controller | Hirofumi Tsuchida, Takayuki Hamamoto | 2024-03-26 |
| 11680533 | Method of estimating actual EGR ratio in EGR system and EGR system | Kenji Suzuki | 2023-06-20 |
| 11623180 | Catalytic converter | Takayuki Hamamoto, Hirofumi Tsuchida, Yuta Ishigaki | 2023-04-11 |
| 10174719 | Control device for internal combustion engine | — | 2019-01-08 |
| 10100759 | Exhaust gas recirculation control device and exhaust gas recirculation control method | Hirofumi Tsuchida, Kazuhiko Sugawara | 2018-10-16 |
| 9970368 | EGR control device and EGR control method | Hirofumi Tsuchida, Kazuhiko Sugawara, Kenji Suzuki, Takayuki Sui | 2018-05-15 |
| 9759165 | Internal combustion engine | Hirofumi Tsuchida, Takeshi Tsuyuki | 2017-09-12 |
| 9574526 | Exhaust gas recirculation control device and exhaust gas recirculation control method for internal combustion engine | — | 2017-02-21 |
| 9399944 | Control device for multi-cylinder internal combustion engine | Takeshi Tsuyuki, Naozumi Katou | 2016-07-26 |
| 9255534 | Control device for internal combustion engine with turbo-supercharger | Takeshi Tsuyuki, Naozumi Katou | 2016-02-09 |
| 9228548 | Intake device for internal combustion engine with supercharger | — | 2016-01-05 |
| 9002625 | Control device for internal combustion engine equipped with supercharger | Takeshi Tsuyuki, Naozumi Katou | 2015-04-07 |
| 7350504 | Control apparatus and method for inner cylinder direct injection spark ignited internal combustion engine | Makoto Yasunaga, Tomoyuki Takeda, Akira Nakajima, Taizo Horikomi, Katsuaki Uchiyama +5 more | 2008-04-01 |