Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895831 | Exhaust emission control system and method for internal combustion engine and engine control unit | Isao Chiba, Yoshinori Ishihara | 2011-03-01 |
| 7670047 | Exhaust gas temperature sensor inspecting apparatus | Yoshinori Ishihara | 2010-03-02 |
| 7487760 | Fuel supply apparatus for internal combustion engine | Masaki Nishio | 2009-02-10 |