Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10318078 | Operation knob and display device in which same is used | Tomoya Okuzumi, Tomohito Kawada, Tomoaki Yamamoto | 2019-06-11 |
| 9508246 | In-vehicle charging device, automobile and charging system | Izumi Iwanaga | 2016-11-29 |
| 9167732 | Vehicle-mounting charging apparatus and vehicle mounted therewith | Izumi Iwanaga, Taro Katayama, Kenichi Koike | 2015-10-20 |