Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574588 | Automobile exhaust purifying system | Takeshi Yoshimura, Yoshitaka Tanikawa | 1986-03-11 |
| 4494506 | Intake system for an internal combustion engine | Masasige Kinjyo, Haruo Okimoto, Ikuo Matsuda | 1985-01-22 |
| 4425883 | Intake means for two-rotor type rotary piston engines | Tomoo Tadokoro, Toshimichi Akagi | 1984-01-17 |
| 4423711 | Multiple port intake means for rotary piston engines | Tomoo Tadokoro, Toshimichi Akagi | 1984-01-03 |