Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519829 | Exhaust purification system | Shinya Sato, Mitsuru Hosoya | 2019-12-31 |
| 7107763 | Ceramic honeycomb filter and exhaust gas-cleaning method | Hirohisa Suwabe, Satoshi Makita, Hiroshi Funabashi | 2006-09-19 |
| 6553957 | Combination of cylinder liner and piston ring of internal combustion engine | Yoshiki Ishikawa, Hideyo Iwama, Yoshio Naito, Kousuke Ito, Tatsuya Suzuki | 2003-04-29 |