Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7746275 | Position detecting system and position detecting server | Hideki Nagino | 2010-06-29 |
| 6731610 | Data communication system and apparatus | Hidetada Tanaka, Hikaru Udou, Kensuke Kubo, Kazuhisa Matsumoto | 2004-05-04 |