Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816783 | Navigation system having in-vehicle and portable modes | Saburo Hashima, Masaki Ebi, Tooru Inoue | 2004-11-09 |
| 4809668 | Ignition system for internal combustion engine | Koichi Toyama, Toshihito Nonaka | 1989-03-07 |
| 4773380 | Current flowing time period control system for ignition coil of internal combustion engine | Koichi Toyama, Takeshi Matsui | 1988-09-27 |
| 4741319 | Ignition system for internal combustion engines | Koichi Toyama, Toshihito Nonaka | 1988-05-03 |
| 4539957 | Ignition timing control system for internal combustion engines | Hiroshi Haraguchi, Toshiharu Iwata | 1985-09-10 |
| 4513716 | Ignition timing control system with knock control for internal combustion engines | Hiroshi Haraguchi, Toshiharu Iwata | 1985-04-30 |
| 4512310 | Ignition timing control system for internal combustion engines | Hiroshi Haraguchi | 1985-04-23 |
| 4452206 | Ignition timing control system for internal combustion engines | Hiroshi Haraguchi, Toshiharu Iwata | 1984-06-05 |