Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506383 | Blow-by gas refluxing device | Makoto Hattori, Minoru Onobayashi | 2016-11-29 |
| 9382881 | PCV valve mounting structures | Hironori Tanikawa, Naotaka Yoshikawa | 2016-07-05 |
| 8991365 | Blowby gas returning apparatus for engine with supercharger | — | 2015-03-31 |
| 8955501 | PCV valve mounting structures | Hironori Tanikawa, Naotaka Yoshikawa | 2015-02-17 |
| 8813731 | Blow-by gas refluxing device | Makoto Hattori, Minoru Onobayashi | 2014-08-26 |
| 8511285 | Evaporated fuel treatment apparatus for internal combustion engine | Fumihito NAKATANI, Tatsuya Furuhashi | 2013-08-20 |
| 8122870 | Blowby gas returning apparatus | — | 2012-02-28 |
| 7891346 | Blowby gas returning device | Hiroshi Asanuma | 2011-02-22 |
| 7438048 | Fuel injection amount control apparatus for internal combustion engine | Minoru Onobayashi, Nobuhiro Ogasawara, Kunihiko Sato | 2008-10-21 |