Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415155 | Location system and method for identifying position of mobile terminal that can communicate based on repeater in radio zone, and mobile terminal that can communicate based on repeater in radio zone | Hiroaki Koshima, Kimio Muya | 2002-07-02 |
| 6349211 | Position display system of mobile terminal | Hiroaki Koshima, Kimio Muya, Hiroyuki Kurokawa, Ryuichi Iwagami | 2002-02-19 |
| 6347230 | Position display system of mobile terminal | Hiroaki Koshima, Kimio Muya, Hiroyuki Kurokawa, Ryuichi Iwagami | 2002-02-12 |