Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534527 | Thermostat failure detection device and thermostat failure detection method | Yousuke Sakayori | 2017-01-03 |
| 7383722 | Fuel vapor treatment system with leak diagnosing | Takeshi Tsuyuki, Hiroya Ishii | 2008-06-10 |
| 7366604 | Fuel vapor treatment system with leak diagnosing | Hiroya Ishii, Takeshi Tsuyuki | 2008-04-29 |
| 7272488 | Leak detecting device for fuel vapor treatment unit | Takeshi Tsuyuki, Hiroya Ishii | 2007-09-18 |
| 6651631 | Fuel vapor emission control device for an engine | Takeshi Tsuyuki, Shigeaki Kakizaki, Masato Kobayashi | 2003-11-25 |
| 6453887 | Fuel vapor emission control device for an engine | Takeshi Tsuyuki, Shigeaki Kakizaki, Masato Kobayashi | 2002-09-24 |
| 6363313 | Fuel property detecting system | Hiroshi Katoh, Shigeaki Kakizaki | 2002-03-26 |