Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225802 | Piezoelectric knocking detector for internal combustion engine | Yutaka Suzuki, Osamu Ito, Nobuhito Hobo, Kenji Goto, Daisaku Sawada +1 more | 1980-09-30 |
| 4211194 | Ignition system for internal combustion engines | Tadashi Hattori, Daisaku Sawada, Kenji Goto, Takashi Shigematu, Hiroaki Yamaguchi +1 more | 1980-07-08 |
| 4197821 | Device for controlling vacuum advancing of ignition timing | Daisaku Sawada, Takashi Shigematsu | 1980-04-15 |