Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416052 | Exhaust system of internal combustion engine | Tomoki Mabuchi, Eiji Asai | 2008-08-26 |
| 5534307 | Resin impregnating method for fibrous substrate | Hiroshi Hikita, Tetsuo Kohriyama, Yoshito Sugino | 1996-07-09 |