Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5706655 | Thin-walled double pipe exhaust manifold | Takashi Kojima | 1998-01-13 |
| 5438828 | Manifold type catalytic converter arrangement | — | 1995-08-08 |
| 5419125 | Exhaust-gas recombustion system | Tsukasa Minato | 1995-05-30 |
| 4938176 | Mounting structure of EGR valve for internal combustion engine | Sojiro Tanaka | 1990-07-03 |
| 4475525 | Orifice of exhaust gas recirculation system | — | 1984-10-09 |