Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137425 | Intake system for vehicle internal combustion engine | Tatsuya Oyama | 2012-03-20 |
| 7758678 | Fuel adsorption filter and air cleaner | Tomohiro Yoshida, Tatsuya Oyama, Tohru Ohba, Shinichi Kamiya, Masaki Aihara +1 more | 2010-07-20 |
| 7520271 | Evaporated fuel adsorbing mechanism for internal combustion engine | — | 2009-04-21 |
| 7328684 | Control device for internal combustion engine | Tomihisa Tsuchiya | 2008-02-12 |
| 7325525 | Piston for internal combustion engine | Tsutomu Sakai | 2008-02-05 |
| 7198031 | Control device of internal combustion engine | Tomihisa Tsuchiya | 2007-04-03 |
| 6941923 | Fastening jig for a baffle plate for oil pan use and fastening method thereof | — | 2005-09-13 |