Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12246276 | Spunbond non-woven fabric, filter material for pleated filter for dust collector, pleated filter for dust collector, and large air volume pulse-jet type dust collector | Jun Yoshida, Koji Kitamura | 2025-03-11 |
| 12117366 | Diagnosing apparatus and diagnosing method for internal combustion engine | Akihiro Katayama | 2024-10-15 |
| 12071908 | Controller for internal combustion engine, control method for internal combustion engine, and memory medium | Yusuke Joh, Tomoyuki Tsuji, Masashi Hakariya, Makoto Yamazaki, Yoshikazu Asami +4 more | 2024-08-27 |
| 11719180 | Abnormality diagnosis apparatus for internal combustion engine | Hideki Miyahara, Akihiro Katayama, Hirotaka Nakayama, Takumi Anzawa | 2023-08-08 |
| 11639695 | Misfire detection device and method for internal combustion engine | Takumi Anzawa, Akihiro Katayama | 2023-05-02 |
| 11536628 | Misfire detecting device and method for internal combustion engine | Akihiro Katayama, Takumi Anzawa | 2022-12-27 |
| 11448153 | Misfire detection device for internal combustion engine, misfire detection method for internal combustion engine, and memory medium | Akihiro Katayama, Takumi Anzawa | 2022-09-20 |
| 11181061 | Control apparatus for internal combustion engine | Shinya Ohori, Chisa Watanabe | 2021-11-23 |
| 11149842 | Transmission ratio controller and method for determining transmission ratio | Takuya Matsumoto, Akihiro Katayama | 2021-10-19 |
| 11149844 | Transmission ratio controller and method for determining transmission ratio abnormality | Takuya Matsumoto, Akihiro Katayama | 2021-10-19 |
| 11143083 | Catalyst warm-up process monitoring device, system, and method for internal combustion engine, data analysis device, control device for internal combustion engine, and receiver | Harufumi Muto, Akihiro Katayama, Yosuke Hashimoto | 2021-10-12 |
| 11143294 | Transmission ratio controller and method for determining transmission ratio abnormality | Takuya Matsumoto, Akihiro Katayama | 2021-10-12 |
| 10961936 | Abnormality detection system of exhaust gas recirculation system | Harufumi Muto, Akihiro Katayama, Yosuke Hashimoto | 2021-03-30 |
| 10487759 | Fuel injection controller and fuel injection control method for internal combustion engine | Yoshihisa Oda | 2019-11-26 |