Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874317 | Double pipe exhaust manifold | Daisuke Sugaya, Satoshi Azuma | 2005-04-05 |
| 6625979 | Double pipe exhaust manifold | Daisuke Sugaya | 2003-09-30 |
| 5555621 | Method of producing a catalytic converter | Hiroshi Tanabe, Tsutomu Imamura, Yuji Shimada | 1996-09-17 |