Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914344 | Spark plug for internal combustion engines | Kiyohiko Watanabe, Toshihiko Igashira, Masahiro Yamashita, Hiroshi Hosoi, Noboru Takagi | 1990-04-03 |
| 4367720 | Run on prevention system supplying maximum exhaust gas recirculation | Takanori Nagai, Akira Ii | 1983-01-11 |
| 4313413 | Fuel vaporization promoting device for an internal combustion engine | — | 1982-02-02 |
| 4205637 | Electronic fuel injection system for an internal combustion engine having electromagnetic valves and a fuel damper upstream thereof | Hiroshi Ito | 1980-06-03 |