Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559794 | Position determining system, receiving system method of determining the position of a movable object and method of receiving data regarding the position | Syuji Nakajima, Hiroyuki Chubachi, Makoto Nakagawa, Nobuhiro Aoki, Kazuto Ushiyama | 2003-05-06 |