Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7266098 | Wireless position measurement method and wireless position measurement system | Atsushi Ogino, Ryota Yamasaki, Katsuhiko Tsunehara, Hideya Suzuki, Takashi Yano | 2007-09-04 |
| 7212830 | Position detection method, position detection system, and position detection server equipment | Tsuyoshi Tamaki | 2007-05-01 |
| 5822697 | Hybrid cellular radio communication system | — | 1998-10-13 |