Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980232 | Four stroke internal combustion engine | Yoshiyuki Higaki, Hirofumi Serikawa | 2011-07-19 |
| 7556028 | Four cycle internal combustion engine and vehicle | Yoshiyuki Higaki | 2009-07-07 |
| 7469681 | Multi-cylinder engine | Kiyoshi Hataura, Manabu Miyazaki, Toshinori Okajima, Mitsuru Kamiyama, Mutsumi Murata +2 more | 2008-12-30 |
| 7448204 | Exhaust system for an engine | Hidehiro Nishimura, Junichi Ooba | 2008-11-11 |
| 7328691 | Multi-cylinder engine | Kiyoshi Hataura, Manabu Miyazaki, Toshinori Okajima, Mitsuru Kamiyama, Mutsumi Murata +2 more | 2008-02-12 |
| 6250281 | Direct intake port and helical intake port for engine | Kiyoshi Hataura, Manabu Miyazaki, Hiroshi Suzuki, Masayuki Hagiwara, Takatoshi Imai | 2001-06-26 |
| 5961294 | Method for attaching a fuel injection device to an engine and fuel injection device | Kiyoshi Hataura, Hiroshi Mikumo | 1999-10-05 |
| 5746173 | Divided combustion chamber for diesel engine | Shuichi Yamada, Akinori Muraoka, Kiyoshi Hataura, Atsushi Yamaguchi, Hideo Hasegawa +2 more | 1998-05-05 |
| 5365908 | Burning control system for engine | Motoshi Baba, Takao Mori, Sumito Abe | 1994-11-22 |
| 5048471 | Intake system for automotive engine | Iwao Masumoto | 1991-09-17 |
| 4809647 | Intake system for multi cylindered engine | Iwao Masumoto | 1989-03-07 |
| 4766866 | Intake system for engine | Hironobu Ukei, Keiji Fujikawa | 1988-08-30 |
| 4658795 | Gasoline vapor capture and combustion system | Kenji Kawashima, Katsuaki Asano | 1987-04-21 |
| 4653270 | Exhaust system for V-type engine | — | 1987-03-31 |