Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438665 | Control system for internal combustion engine | Jiro Takagi, Nobuyuki Kawaguchi, Makoto Segawa, Hirosuke Niwa | 2008-10-21 |
| 7169080 | Control system for internal combustion engine | Jiro Takagi, Nobuyuki Kawaguchi, Makoto Segawa, Hirosuke Niwa | 2007-01-30 |
| 7140334 | Valve train for internal combustion engine | Makoto Segawa, Toshihiro Akiwa, Masashi Kawamata, Junya Iino | 2006-11-28 |
| 6947828 | Knock control system for internal combustion engine | Mikio Fujiwara, Jiro Takagi, Hirosuke Niwa | 2005-09-20 |
| 6854449 | Control apparatus for internal combustion engine | Junya Iino, Mikio Fujiwara, Jiro Takagi, Katsumi Noguchi | 2005-02-15 |
| 6691021 | Failure determination system, failure determination method and engine control unit for variable-cylinder internal combustion engine | Jiro Takagi, Mikio Fujiwara | 2004-02-10 |
| 6499470 | Control system for internal combustion engine | Jiro Takagi, Mikio Fujiwara | 2002-12-31 |
| 5056473 | Intake device for multi-cylinder internal combustion engine | Masaaki Hiratani, Yasuo Kitami | 1991-10-15 |