Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7907895 | Electric field sensor device, transceiver, positional information obtaining system and information input system | Mitsuru Shinagawa, Katsuyuki Ochiai, Tadashi Minotani, Aiichirou Sasaki, Nobutarou Shibata | 2011-03-15 |