Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781501 | Engine head structure | Akira Tamura, Kensuke Fujita, Hiroki Oso, Yasushi Kobayashi, Shingo Matsunobu | 2023-10-10 |
| 11378001 | Electronic fuel injection type diesel engine | Hideyuki Koyama, Yuji Shinohara, Mitsuru Kamiyama, Hiroki Oso | 2022-07-05 |
| 10323675 | Device with adjustment bolt | Hiroki Oso, Naoya Sakurai, Takumi Fukuda, Wataru Iwanaga, Yusuke Suzuki +1 more | 2019-06-18 |
| 9416704 | Exhaust gas treatment device of engine | Yuichi Tamaki, Yoshikazu Takemoto, Takashi Onishi, Tomoya Akitomo | 2016-08-16 |
| 9353666 | Exhaust treatment device of diesel engine | Takashi Onishi, Hidetaka Morinaga, Yoshikazu Takemoto, Toshio Nakahira, Keita Naito | 2016-05-31 |
| 9200551 | Exhaust treatment apparatus for engine | Yoshikazu Takemoto, Takashi Onishi, Hozumi Ishida, Manabu Miyazaki, Yuichi Tamaki +2 more | 2015-12-01 |
| 8997469 | Engine with exhaust treatment device and attachment method for exhaust treatment device | Kozo Yoshida | 2015-04-07 |
| 8621850 | Exhaust gas treatment device for diesel engine | Toshio Nakahira | 2014-01-07 |
| D685820 | Internal combustion engine | Toshio Nakahira, Takashi Onishi, Yuichi Tamaki | 2013-07-09 |
| 7644706 | Breather device for an engine | Kozo Yoshida, Hiroshi Manabe | 2010-01-12 |
| 7284529 | Engine | Masahiro Nagahama, Kozo Yoshida, Yoshihiko Kawamoto, Hiroshi Sasaki, Takashi Onishi +1 more | 2007-10-23 |