Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970406 | Ignition apparatus for internal combustion engine | Shinichi Okabe, Akimitsu Sugiura | 2018-05-15 |
| 9957946 | Ignition device | Akimitsu Sugiura, Kaori Doi, Fumiaki Aoki | 2018-05-01 |
| 9903335 | Ignition device controlling streamer discharge and arc discharge | Shinichi Okabe, Fumiaki Aoki, Akimitsu Sugiura | 2018-02-27 |