Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12347945 | Wireless communication device | Yuuji Kakuya, Masakazu Ikeda, Kenichiro Sanji, Tomokazu MIYASHITA, Ryozo Fujii +1 more | 2025-07-01 |
| 10475268 | Vehicular electronic key system with determination of transmission strength adjustment | Takashi Saiki | 2019-11-12 |
| 8270455 | Wireless communication system | Kenichiro Sanji, Akira Takaoka | 2012-09-18 |
| 8073421 | Radio signal receiver device | Kenichiro Sanji, Akira Takaoka | 2011-12-06 |
| 7545336 | Card type wireless device, antenna coil, and method for manufacturing communication module | — | 2009-06-09 |
| 7456735 | Portable device for electronic key system and system for reminding user to carry portable device | Kenichi Ogino | 2008-11-25 |
| 7394362 | Portable device for electronic key system and portable device search system | Kenichi Ogino | 2008-07-01 |
| 7365697 | Card type wireless device, antenna coil, and method for manufacturing communication module | — | 2008-04-29 |