Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5483060 | Optical position sensor and isolation sensor using this position sensor | Wataru Sugiura | 1996-01-09 |
| 4411245 | Internal combustion engine contactless ignition system of supply voltage variation compensation type | Toshio Tanaka | 1983-10-25 |
| 4280461 | Contactless ignition system for internal combustion engines | Ryoichi Okuda, Tomoatsu Makino | 1981-07-28 |
| 4225796 | Frequency-to-current conversion circuit | Tomoatsu Makino, Yoshio Hirano | 1980-09-30 |