Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751907 | Air/fuel ratio detecting apparatus for internal combustion engines | Tadahiro Yamamoto, Tadaki Oota, Hiroaki Oogane, Minoru Osuga, Yoshishige Oyama | 1988-06-21 |
| 4699110 | Fuel supply system | Hiroshi Iwano, Tadahiro Yamamoto, Tadaki Ota, Hiroshi Ogane, Atsushi Yonezawa | 1987-10-13 |
| 4517134 | Variable venturi carburetor | Ken Nakamura, Tadashi Nagai, Giichi Shioyama, Yutaka Matayoshi, Junichi Yokoyama +1 more | 1985-05-14 |
| 4489014 | Variable venturi carburetor | Tadashi Nagai, Giichi Shioyama, Yutaka Matayoshi | 1984-12-18 |
| 4294220 | Intake port means for extracting engine exhaust gas for recirculation | Seishi Yasuhara | 1981-10-13 |