Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5515820 | Valve operating device for an internal combustion engine | Chihaya Sugimoto, Masakazu Kinoshita, Izumi Sugiyama, Hideki Saito, Shigemasa Kajiwara | 1996-05-14 |
| 5388552 | Valve operating device for an internal combustion engine | Chihaya Sugimoto, Masakazu Kinoshita, Izumi Sugiyama, Hideki Saito, Shigemasa Kajiwara | 1995-02-14 |
| 5344128 | Self-expanding mount | Toshiaki Kobayashi, Koji Okazaki, Masaki Ueyama | 1994-09-06 |
| 5243947 | Fuel injection control system for internal combustion engines | Yoshio Yamamoto, Toshio Yokoyama, Hidehito Ikebe | 1993-09-14 |
| 4773361 | Overhead cam type four-valve actuating apparatus for internal combustion engine | Takeshi Iwata, Noriaki Fujii | 1988-09-27 |
| 4658770 | Supporting structure for rocker arms for engine valves | Takahiro Okuyama, Keiji Tanabe | 1987-04-21 |
| 4621597 | Cylinder head for double overhead cam engine | Keiichi Kawada, Takahiro Okuyama | 1986-11-11 |
| 4617883 | Pivot members for a cam follower of valve mechanism for internal combustion engine | Takahiro Okuyama, Masahito Ishihara | 1986-10-21 |
| 4501234 | Blow-by gas passage system for internal combustion engines | Kenichi Nagahiro | 1985-02-26 |