Issued Patents All Time
Showing 25 most recent of 153 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359748 | EGR valve | Shinji Kawai, Kazumasa Nakashima | 2025-07-15 |
| 12135093 | Valve device | Koichi Sugihara, Shinji Kawai, Takashi Bessho, Koki Yasuda, Kaisho SO +2 more | 2024-11-05 |
| RE50153 | EGR apparatus of engine | — | 2024-10-01 |
| 11339749 | Engine EGR device | — | 2022-05-24 |
| 11306689 | EGR system | Kaisho SO, Takashi Bessho, Shinji Kawai | 2022-04-19 |
| 11306690 | EGR gas distributor | Kaisho SO | 2022-04-19 |
| 11193456 | EGR system | Kaisho SO, Takashi Bessho | 2021-12-07 |
| 11193457 | EGR gas distributor | Akinari Yasue, Kaisho SO | 2021-12-07 |
| 11148536 | Fuel cell system | Naruto Ito, Makoto Fukui | 2021-10-19 |
| 11149670 | Exhaust purification system | — | 2021-10-19 |
| 11041577 | Double eccentric valve | Takashige Inagaki, Akihito Kuno, Makoto Fukui | 2021-06-22 |
| 11008983 | EGR gas distributor | Kaisho SO, Eiji Nakamura | 2021-05-18 |
| 10982772 | Eccentric valve | Kasumi MISHIMA, Naruto Ito, Makoto Fukui, Takashige Inagaki, Sunao Kitamura +1 more | 2021-04-20 |
| 10982604 | Gasoline engine system with improved idle up control upon detecting abnormality in valve during deceleration | Masanao Kurita, Masateru Nagao | 2021-04-20 |
| 10975779 | Engine system for determining abnormalities in an exhaust gas recirculation valve | Masanao Kurita, Masateru Nagao | 2021-04-13 |
| 10927778 | Engine system | Masateru Nagao, Masanao Kurita | 2021-02-23 |
| 10914252 | EGR apparatus of engine | — | 2021-02-09 |
| 10862147 | Fuel cell system | Naruto Ito, Makoto Fukui | 2020-12-08 |
| 10690094 | Intake apparatus | Naruto Ito, Akinari Yasue, Hironori Suzuki, Kaisho SO | 2020-06-23 |
| 10655572 | Exhaust gas recirculation valve | Takashige Inagaki, Naruto Ito | 2020-05-19 |
| 10601058 | Fuel cell system | Naruto Ito, Makoto Fukui | 2020-03-24 |
| 10505210 | Fuel cell system | Naruto Ito, Makoto Fukui, Hiroshi Sugiura, Toshiyuki Fujimura, Kasumi MISHIMA | 2019-12-10 |
| 10408352 | Flow control valve | Makoto Fukui, Naruto Ito, Takashige Inagaki, Kasumi MISHIMA | 2019-09-10 |
| 10408170 | EGR cooler bypass valve | Masahiro Kobayashi, Mitsuru Takeuchi, Musashi Suzuki, Shinji Kawai, Naruto Ito | 2019-09-10 |
| 10337622 | Eccentric valve | Kasumi MISHIMA, Naruto Ito, Makoto Fukui, Takashige Inagaki, Sunao Kitamura +1 more | 2019-07-02 |