Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391431 | Barrier discharge ignition apparatus for internal combustion engine | Shinichi Okabe, Yoshihiro Nakase, Akimitsu Sugiura | 2016-07-12 |
| 9331458 | Ignition system | Shinichi Okabe, Yoshihiro Nakase, Akimitsu Sugiura | 2016-05-03 |
| 9267474 | Ignition device | Akimitsu Sugiura, Shinichi Okabe | 2016-02-23 |