Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976241 | Method for determining combustion condition in spark ignition internal combustion engine and combustion condition control device | Tetsuro Ishida, Yoshiaki Danno, Kazuhide Togai, Daisuke Sanbayashi, Masato Yoshida +4 more | 1990-12-11 |