Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950661 | Location detection method, location detection apparatus and location detection program | Koji Watanabe, Katsuhiko Tsunehara, Kenzaburo Fujishima | 2005-09-27 |
| 6928292 | Mobile handset with position calculation function | Katsuhiko Tsunehara | 2005-08-09 |
| 6900753 | Method for measuring distance and position using spread spectrum signal, and an equipment using the method | Katsuhiko Tsunehara, Nobukazu Doi, Tomoaki Ishifuji | 2005-05-31 |
| 6889051 | Method and apparatus for measuring transmitting time offset of a base station | Atsushi Ogino, Tomoaki Ishifuji, Kenzaburo Fujishima | 2005-05-03 |
| 6865394 | Location detection method, location detection system and location detection program | Atsushi Ogino, Tomoaki Ishifuji | 2005-03-08 |