| 11348431 |
In-vehicle monitoring device, in-vehicle monitoring system, and non-transitory computer-readable medium |
— |
2022-05-31 |
| 11040657 |
Vehicle control system and vehicle control device |
— |
2021-06-22 |
| 8773248 |
Vehicle control device, portable device, portable device search system |
Hideo Ebizawa |
2014-07-08 |
| 7903022 |
Distance measuring apparatus, distance measuring method, reflector, and communication system |
Takehiro Kawai, Keisuke Saito, Kosuke Hayama |
2011-03-08 |
| 7868816 |
Radio detection device and method |
Tetsuo Nishidai, Hoshibumi Ichiyanagi, Hiroyuki Numata |
2011-01-11 |
| 7714773 |
RFID tag distance measuring system and reader |
Tomohiro Ozaki, Takehiro Kawai, Keisuke Saito |
2010-05-11 |
| 7701351 |
Tag communication system having a controlled antenna array to prevent interference |
Takehiro Kawai |
2010-04-20 |
| 7649491 |
Distance measuring apparatus, distance measuring method, reflector and communication system |
Takehiro Kawai, Keisuke Saito, Kosuke Hayama |
2010-01-19 |