Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174231 | Measurement device and measurement method | Jun Katsuyama, Yoshinori Matsumoto | 2024-12-24 |
| 12117475 | Electric field sensor | Yoshinori Matsumoto, Jun Katsuyama | 2024-10-15 |
| 11885841 | Electric field sensor | Yoshinori Matsumoto, Hiroaki Tanaka, Jun Katsuyama | 2024-01-30 |
| 11876575 | Electric field communication system | Kohei Hamamura, Hiroshi Nakamura, Naohiro Shimizu | 2024-01-16 |
| 10641807 | Optical modulator and electric field sensor | Toshiaki Asahi | 2020-05-05 |
| 8666312 | Electric-field communication device | Ryusuke Kawano, Katsuyuki Ochiai, Yuichi Kado, Takuji Harada, Hideyuki Okamoto +1 more | 2014-03-04 |
| 7907895 | Electric field sensor device, transceiver, positional information obtaining system and information input system | Katsuyuki Ochiai, Tadashi Minotani, Aiichirou Sasaki, Nobutarou Shibata, Hakaru Kyuragi | 2011-03-15 |
| 7859666 | Electric field sensor | Aiichirou Sasaki, Nobutarou Shibata, Tadashi Minotani, Kazuo Fujiura, Masahiro Sasaura +1 more | 2010-12-28 |
| 7801483 | Receiver, transceiver, and electric field communication system | Tadashi Minotani | 2010-09-21 |
| 7636547 | Reactance adjuster, transceiver and transmitter using the reactance adjuster, signal processing circuit suitable for use in the reactance adjuster, the transceiver, and the transmitter, reactance adjusting method, transmitting method, and receiving method | Tadashi Minotani, Nobutarou Shibata | 2009-12-22 |
| 7583930 | Transmission device, electric field communication transceiver, and electric field communication system | Tadashi Minotani, Nobutarou Shibata | 2009-09-01 |
| 7493047 | Transceiver suitable for data communications between wearable computers | Haruka Kyuragi | 2009-02-17 |
| 7433111 | Electrooptic modulation element | Aiichirou Sasaki | 2008-10-07 |
| 7430374 | Transceiver suitable for data communications between wearable computers | Haruka Kyuragi | 2008-09-30 |
| 7412229 | Sales apparatus and method of transmitting and receiving merchandise information by electric field induced in human body | Katsuyuki Ochiai, Hiroyoshi Togo, Tadashi Minotani | 2008-08-12 |
| 7263295 | Transceiver suitable for data communications between wearable computers | Haruka Kyuragi | 2007-08-28 |
| 7069062 | Transceiver capable of causing series resonance with parasitic capacitance | Tadashi Minotani, Ai-ichiro Sasaki, Nobutaro Shibata | 2006-06-27 |
| 6683447 | Electro-optic apparatus for measuring signal potentials | Yoshiki Yanagisawa, Nobuaki Takeuchi, Jun Kikuchi, Yoshio Endou, Tadao Nagatsuma +1 more | 2004-01-27 |
| 6624644 | Electro-optic probe and magneto-optic probe | Akishige Ito, Yoshiki Yanagisawa, Jun Kikuchi, Nobukazu Banjo, Sanjay Gupta +2 more | 2003-09-23 |
| 6567760 | Electro-optic sampling oscilloscope | Jun Kikuchi, Nobuaki Takeuchi, Yoshiki Yanagisawa, Nobukazu Banjo, Yoshio Endou +2 more | 2003-05-20 |
| 6507014 | Electro-optic probe | Akishige Ito, Katsushi Ohta, Toshiyuki Yagi, Tadao Nagatsuma, Junzo Yamada | 2003-01-14 |
| 6469528 | Electro-optic sampling probe and measuring method using the same | Fumio Akikuni, Katsushi Ohta, Tadao Nagatsuma, Junzo Yamada | 2002-10-22 |
| 6445198 | Electro-optic sampling probe and a method for adjusting the same | Fumio Akikuni, Katsushi Ohta, Tadao Nagatsuma, Junzo Yamada | 2002-09-03 |
| 6429669 | Temperature-insensitive electro-optic probe | Akishige Ito, Katsushi Ohta, Toshiyuki Yagi, Tadao Nagatsuma, Hakaru Kyuragi | 2002-08-06 |
| 6410906 | Electro-optic probe | Akishige Ito, Katsushi Ohta, Toshiyuki Yagi, Tadao Nagatsuma, Junzo Yamada | 2002-06-25 |