Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6082103 | Exhaust manifold, for internal combustion engine, for improving durability of oxygen sensor at merging portion of exhaust manifold | Takayoshi Nakagawa, Yasuhiro Oi | 2000-07-04 |