Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827062 | Ignition timing control apparatus for internal combustion engine | Takaaki Fukusako, Jiro Takagi | 2004-12-07 |
| 6773936 | Method of reducing low-frequency noise for semiconductor devices and circuits | Makoto Akiba | 2004-08-10 |
| 6691021 | Failure determination system, failure determination method and engine control unit for variable-cylinder internal combustion engine | Jiro Takagi, Yasuaki Asaki | 2004-02-10 |