Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7116992 | Mobile station using positional information | Katsuhiko Tsunehara, Mikio Kuwahara, Nobukazu Doi | 2006-10-03 |
| 6694142 | Wireless terminal positioning method and apparatus | Mikio Kuwahara, Katsuhiko Tsunehara, Nobukazu Doi | 2004-02-17 |
| 5802453 | Radio paging transmitter which adjusts its transmission time based on detection of its own transmission delay | Yoshinori Kuroki, Toshiro Suzuki, Takafumi Kojima, Yasuo Kogure | 1998-09-01 |