Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8219113 | Network assisted mobile communication terminal and network assisted global positioning method for mobile communication terminal | — | 2012-07-10 |
| 8022872 | Positioning receiver | Hiroshi Katayama, Hirofumi Yoshida, Kei Murayama, Kazuhiro Nojima | 2011-09-20 |
| 7065320 | Satellite signal receiver | Toshihiro Ishigaki | 2006-06-20 |
| 6686877 | Satellite signal receiver | Toshihiro Ishigaki | 2004-02-03 |
| 6448927 | Position information system | Toshihiro Ishigaki, Arata Kurosawa, Masaki Arima | 2002-09-10 |
| 6404352 | Mobile terminal and emergency reporting system | Yukio Ichikawa | 2002-06-11 |