Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666384 | Roots type blower with reduced gaps between the rotors | Toshio Takeda | 1987-05-19 |
| 4556038 | Supercharged internal combustion engine having control means responsive to engine speed and accelerator pedal velocity | Toshiaki Okamoto, Tomio Oguma | 1985-12-03 |