Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053894 | Multi-cylinder engine | Daijirou Ishimoto, Atsuhiro Hatabu | 2021-07-06 |
| 10774794 | Multi-cylinder engine | Atsuhiro Hatabu, Kenta Kobayashi | 2020-09-15 |
| 10760477 | Turbocharger engine | Yasushi Niwa, Keiji Araki | 2020-09-01 |
| 10697358 | Intake passage structure for turbocharger-equipped engine | Ken Ohtsuki, Einosuke Suekuni, Kimio Ishida, Hiroshi Hosokawa, Junji Watanabe | 2020-06-30 |
| 10260404 | Engine supercharger | Junji Umemura, Tomoaki Fujiyama, Koji Hadama, Makoto Mihara | 2019-04-16 |
| 10180103 | Engine supercharger | Junji Umemura, Hideya Horii, Tomoaki Fujiyama | 2019-01-15 |
| 9416725 | Turbocharging device of engine for vehicle | Junji Umemura, Atsuhiro Hatabu | 2016-08-16 |