Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735556 | Turbocharger | Masaaki Ochi, Hiroshi Aoki | 1988-04-05 |
| 4483304 | Fuel vaporizer for internal combustion engines | Yutaka Yokoi | 1984-11-20 |
| 4422423 | Jet control type carburetor | Katsuhiko Sugiyama, Katsuyuki Ohsawa, Yoshinori Idota | 1983-12-27 |
| 4336780 | Jet control carburetor | Katsuhiko Sugiyama, Katsuyuki Ohsawa, Yoshinori Idota | 1982-06-29 |
| 4265596 | Axial flow fan with auxiliary blades | Haruo Katagiri, Katsuhito Yamada | 1981-05-05 |
| 4222710 | Axial flow fan having auxiliary blade | Haruo Katagiri, Katsuhito Yamada | 1980-09-16 |
| 4189281 | Axial flow fan having auxiliary blades | Haruo Katagiri, Katsuhito Yamada | 1980-02-19 |