Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4261313 | Method of and apparatus for controlling ignition timing of an internal-combustion engine | Toshiharu Iwata, Tadashi Hattori, Siniti Mukainakano, Kenji Goto | 1981-04-14 |
| 4257364 | Method and system for controlling ignition timing | Takashi Shigematu, Yuji Takeda | 1981-03-24 |
| 4245591 | Ignition timing control system for internal combustion engines | Minoru Nishida, Tadashi Hattori, Hiroaki Yamaguchi, Kenji Goto, Takashi Shigematu | 1981-01-20 |
| 4236491 | Ignition timing control apparatus for internal combustion engines | Tadashi Hattori, Kenji Goto, Takashi Shigematu, Hiroaki Yamaguchi, Minoru Nishida +1 more | 1980-12-02 |
| 4232642 | Ignition timing control system for internal combustion engines | Hiroaki Yamaguchi, Tadashi Hattori, Minoru Nishida, Kenji Goto, Takashi Shigematu | 1980-11-11 |
| 4225802 | Piezoelectric knocking detector for internal combustion engine | Yutaka Suzuki, Osamu Ito, Nobuhito Hobo, Kenji Goto, Takashi Shigematu +1 more | 1980-09-30 |
| 4211194 | Ignition system for internal combustion engines | Tadashi Hattori, Kenji Goto, Takashi Shigematu, Yuji Takeda, Hiroaki Yamaguchi +1 more | 1980-07-08 |
| 4197821 | Device for controlling vacuum advancing of ignition timing | Takashi Shigematsu, Yuji Takeda | 1980-04-15 |