Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349211 | Position display system of mobile terminal | Hiroaki Koshima, Katsuhiko Kumamoto, Kimio Muya, Hiroyuki Kurokawa | 2002-02-19 |
| 6347230 | Position display system of mobile terminal | Hiroaki Koshima, Katsuhiko Kumamoto, Kimio Muya, Hiroyuki Kurokawa | 2002-02-12 |