Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506383 | Blow-by gas refluxing device | Makoto Hattori, Hirokazu Konohara | 2016-11-29 |
| 8813731 | Blow-by gas refluxing device | Makoto Hattori, Hirokazu Konohara | 2014-08-26 |
| 7438048 | Fuel injection amount control apparatus for internal combustion engine | Hirokazu Konohara, Nobuhiro Ogasawara, Kunihiko Sato | 2008-10-21 |