Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8299965 | Positioning system, position information transmitter, communication terminal, and control method of the positioning system | Takamasa Kawaguchi, Tomoichi Ebata, Hitoshi Ogasawara | 2012-10-30 |
| 7994970 | Positioning system, position information transmitter, communication terminal, and control method of the positioning system | Takamasa Kawaguchi, Tomoichi Ebata, Hitoshi Ogasawara | 2011-08-09 |