Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719791 | Distance measuring device and distance measuring method | Yutaka Shimizu, Shoji Ootaka, Katsuya Nonin | 2023-08-08 |
| 11047961 | Distance measuring device and distance measuring method | Tutaka Shimizu, Shoji Ootaka, Katsuya Nonin | 2021-06-29 |
| 10976419 | Distance measuring device and distance measuring method | Shoji Ootaka, Yutaka Shimizu, Yoshiharu Nito, Masaki Nishikawa, Takayuki Kato +2 more | 2021-04-13 |
| 10728081 | Wideband TX IQ imbalance estimation | Magnus Stig Torsten Sandell, Evgeny Tsimbalo | 2020-07-28 |
| 10712435 | Distance measuring device and distance measuring method | Yutaka Shimizu, Shoji Ootaka, Katsuya Nonin | 2020-07-14 |
| 10644913 | Carrier leakage correction method for quadrature modulator | Yousuke Hagiwara, Shigehito Saigusa, Mitsuyuki Ashida, Yuki Fujimura | 2020-05-05 |
| 10419136 | Communication device and orthogonal error measurement method for communication device | Yousuke Hagiwara, Yuki Fujimura, Hiroyuki Kobayashi, Shigehito Saigusa | 2019-09-17 |
| 10243771 | OFDM signal transmission method and apparatus | Tsuguhide Aoki, Daisuke Takeda, Takehiko Toyoda, Ren Sakata | 2019-03-26 |
| 10225118 | Carrier leakage correction method for quadrature modulator | Yousuke Hagiwara, Shigehito Saigusa, Mitsuyuki Ashida, Yuki Fujimura | 2019-03-05 |
| 10069670 | Transmission and reception circuit, transceiver, and method of correcting time difference of signal | Shigehito Saigusa, Yousuke Hagiwara, Toshiyuki Yamagishi, Hiroshi Yoshida | 2018-09-04 |
| 9923744 | OFDM signal transmission method and apparatus | Tsuguhide Aoki, Daisuke Takeda, Takehiko Toyoda, Ren Sakata | 2018-03-20 |
| 9203514 | Transmission system, transmitter and receiver | Jun Deguchi, Hideaki Majima, Toshiyuki Yamagishi, Nau Ozaki, Koji Horisaki +3 more | 2015-12-01 |
| 9094051 | Power transmitter, power receiver and power transmission and reception system | Hirotsugu Kajihara, Tomoya Horiguchi, Toshiki Miyasaka, Yoshinari Kumaki, Kiyoshi Toshimitsu | 2015-07-28 |
| 9020421 | Wireless communication device and wireless communication system | Kiyoshi Toshimitsu, Akira Irube, Mitsuru Onodera, Toshiki Miyasaka, Yoshinari Kumaki +2 more | 2015-04-28 |
| 8989653 | Power transmitter, power receiver and power transmission and reception system | Tomoya Horiguchi, Toshiki Miyasaka, Kiyoshi Toshimitsu, Yoshinari Kumaki, Hirotsugu Kajihara | 2015-03-24 |
| 8970347 | Human body communication apparatus and authentication method of the same | Takashi Ueno, Takafumi Ohishi, Shuichi Obayashi, Toshitada Saito | 2015-03-03 |
| 8107556 | OFDM signal transmission method and apparatus | Tsuguhide Aoki, Daisuke Takeda, Takehiko Toyoda, Ren Sakata | 2012-01-31 |
| 8041368 | Mobile communications terminal, service area calculation apparatus and method of calculating service area | Hiroki Shoki, Shuichi Sekine, Kuniaki Ito, Naoko Ono, Hiroshi Yoshida +1 more | 2011-10-18 |
| 7907084 | Radar device and control method of radar device | Takahiro Sekiguchi | 2011-03-15 |
| 7782969 | OFDM signal transmission method and apparatus | Tsuguhide Aoki, Daisuke Takeda, Takehiko Toyoda, Ren Sakata, Yoshimasa Egashira | 2010-08-24 |
| 7742533 | OFDM signal transmission method and apparatus | Tsuguhide Aoki, Daisuke Takeda, Takehiko Toyoda, Ren Sakata, Yoshimasa Egashira | 2010-06-22 |
| 7539485 | Apparatus and method for mapping a location of wireless base stations in a mobile communication system | Naoko Ono, Hiroki Shoki, Takehiko Toyoda, Hiroshi Yoshida, Shuichi Sekine +1 more | 2009-05-26 |
| 7519128 | MIMO transmission and reception methods and devices | Tsuguhide Aoki, Hiroshi Yoshida | 2009-04-14 |
| 7496384 | Radio communication system | Yasushi Murakami, Osamu Shibata, Hidehiro Matsuoka | 2009-02-24 |
| 7489910 | Wireless transmitter and amplifier | Takayuki Kato, Hiroshi Yoshida, Keiichi Yamaguchi | 2009-02-10 |