Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492962 | Power generation device and automobile | Keiya Nishida | 2022-11-08 |
| 9494061 | Variable valve system | Jun Bota, Taizo Fujimura, Susumu Takayama | 2016-11-15 |
| 8534261 | Four-cycle engine | Toshio Yamada, Atsushi Morita | 2013-09-17 |
| 8468800 | Secondary air and exhaust gas recirculation for a four-stroke internal combustion engine | — | 2013-06-25 |
| 8065988 | Four-cycle engine | — | 2011-11-29 |
| 7980210 | Variable valve drive system for engine | Hideo Fujita | 2011-07-19 |
| 7753037 | Engine | — | 2010-07-13 |
| 7584730 | Valve train device for engine | Hideo Fujita | 2009-09-08 |
| 7469669 | Variable valve train mechanism of internal combustion engine | Hideo Fujita | 2008-12-30 |
| 7398750 | Valve mechanism for internal combustion engine | Hideo Fujita | 2008-07-15 |
| 7308874 | Valve mechanism for an internal combustion engine | Hideo Fujita | 2007-12-18 |
| 7281504 | Valve train device for engine | Hideo Fujita | 2007-10-16 |
| 7204491 | Metal gasket | Takashi Suzuki, Hiroyuki Ogino, Takahiko Sugiura, Yasuyuki Okudaira, Takeshi Wakuda +3 more | 2007-04-17 |
| 7168403 | Valve train device for engine | Hideo Fujita | 2007-01-30 |
| 7096835 | Valve train device for an engine | Hideo Fujita | 2006-08-29 |
| 7069890 | Valve train device for an engine | Hideo Fujita | 2006-07-04 |
| 6651610 | Engine control system | Eiji Nishimura, Takahisa Ishihara, Hiroyuki Takebayashi | 2003-11-25 |
| 5377649 | Lubricating device for engine-driven supercharger | Hidetsugu Matsubara, Yasuo Tanaka, Yoshiyuki Miyagi, Tsuyoshi Goto, Seishiro Takayama | 1995-01-03 |
| 5090392 | Control system for engine with supercharger | Toru Nakano, Tsuyoshi Goto | 1992-02-25 |
| 4919087 | Intake system for V-type vehicle engine | Muneyuki Ogami, Yasuhiro Kawasako, Takenori Otsuka, Tetsuo Hiraoka | 1990-04-24 |
| 4736714 | Engine intake system | Kazuaki Hokazono, Tetsuo Hiraoka | 1988-04-12 |
| 4702207 | Intake arrangement for internal combustion engine | Koji Asanomi | 1987-10-27 |
| 4686944 | Intake manifold structure for V-type engine | Tetsuo Hiraoka, Sigeyasu Yamamoto | 1987-08-18 |
| 4649871 | Intake system for V-type engine | Tetsuo Hiraoka, Koji Asanomi | 1987-03-17 |
| 4630575 | Intake system for multicylinder engine | Tetsuo Hiraoka | 1986-12-23 |