Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193080 | Lubricating oil composition | Kenji SUNAHARA, Kazuo Yamamori | 2021-12-07 |
| 10184913 | Abnormality diagnosis system of a gas sensor | Keiichiro Aoki, Koji Ide, Go Hayashita, Tatsuhiro Hashida, Kazuhiro Wakao | 2019-01-22 |
| 9983165 | Nitrogen oxide decomposition material and use thereof | Taro Ueda, Seiji Takahashi, Tatsuhiro Hashida, Keiichiro Aoki | 2018-05-29 |
| 9983166 | Nitrogen oxide responsive element and method for producing same | Taro Ueda, Hajime Okawa, Masaya Suzuki, Takafumi Ogawa, Seiji Takahashi +1 more | 2018-05-29 |
| 9732659 | SOx concentration detection device of internal combustion engine | Keigo Mizutani, Shinya Teranishi, Keiichiro Aoki, Kazuhiro Wakao, Tatsuhiro Hashida | 2017-08-15 |
| 9528424 | Malfunction diagnosis device for exhaust gas purification device of internal combustion engine | Keiichiro Aoki, Hiroki Nishijima | 2016-12-27 |