Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345569 | Intake system for internal combustion engines | Tadashi Hattori, Hitoshi Yoshida | 1982-08-24 |
| 4274379 | Method and system for controlling ignition timing of internal combustion engines | Toshiharu Iwata, Tadashi Hattori, Kenji Goto, Daisaku Sawada | 1981-06-23 |
| 4269154 | Ignition timing control system for internal combustion engines | Toshiharu Iwata, Tadashi Hattori, Kenji Goto, Daisaku Sawada | 1981-05-26 |
| 4269155 | Ignition timing control system for internal combustion engines | Toshiharu Iwata, Tadashi Hattori, Kenji Goto, Daisaku Sawada | 1981-05-26 |
| 4261313 | Method of and apparatus for controlling ignition timing of an internal-combustion engine | Toshiharu Iwata, Tadashi Hattori, Kenji Goto, Daisaku Sawada | 1981-04-14 |