Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4498331 | Knocking detecting apparatus for internal combustion engines | Hirotoshi Nakamura, Teruyoshi Itoh, Hiroshi Haraguchi, Toshiharu Iwata, Takeshi Matsui | 1985-02-12 |
| 4489692 | Ignition timing control system for internal combustion engine with knock sensor | Hiroshi Haraguchi, Toshiharu Iwata, Yasutoshi Baba | 1984-12-25 |