Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271667 | Apparatus for controlling the amount of secondary air fed into an internal combustion engine | Minoru Iwata, Masatoshi Sugiura, Shigetaka Takada, Yukihiro Watanabe | 1981-06-09 |
| 4250706 | Apparatus for controlling the amount of secondary air fed into an internal combustion engine | Takeru Yasuda, Toshimichi Asai | 1981-02-17 |
| 4224911 | Apparatus for controlling the amount of secondary air fed into an internal combustion engine | Minoru Iwata, Masatoshi Sugiura | 1980-09-30 |