Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447753 | Blow-by gas ventilation device | Shujiro Kuribayashi | 2016-09-20 |
| 8651093 | Sludge adhesion inhibiting structure for internal combustion engine | Naoto Koyamaishi, Toshiaki Tanaka, Tetsushi Suzuki, Takashi Shimura | 2014-02-18 |