Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296401 | Device for purifying the exhaust gas of an internal combustion engine | Takamitsu Asanuma, Toshiaki Tanaka, Shinya Hirota, Kazuhiro Itoh, Koichiro Nakatani +3 more | 2007-11-20 |
| 6263855 | Direct fuel injection-type spark-ignition internal combustion engine | Tatsuo Kobayashi, Toshimi Kashiwagura, Shizuo Abe, Fumiaki Hattori, Taketoshi Fujikawa +1 more | 2001-07-24 |