Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9621535 | Electronic key system and information registration system | — | 2017-04-11 |
| 9384610 | On-board apparatus control system | Nobuyoshi Nagai | 2016-07-05 |
| 8581699 | Portable equipment detecting system | Kazuhiro Nakashima, Takeshi Kumazaki | 2013-11-12 |