Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11777589 | Satellite receiver and satellite communication system | Hitomi ONO, Yoshio Inasawa, Masaaki Kusano | 2023-10-03 |
| 11764868 | Satellite transmitter and relay satellite communication system | Hitomi ONO, Terumi Sunaga | 2023-09-19 |
| 11463378 | Digital switch, wireless communication device, control station, and wireless communication control method for switching a route of communication data | Kazuyoshi Tsuji, Yuta TAKEMOTO, Shinya Hirakuri, Yuichi Yamamoto | 2022-10-04 |
| 11456812 | Demultiplexing circuit, multiplexing circuit, and channelizer relay unit | Yuta TAKEMOTO, Yuichi Yamamoto | 2022-09-27 |
| 11387894 | Satellite receiver and satellite communication system | Hitomi ONO, Terumi Sunaga, Toshiyasu Tsunoda | 2022-07-12 |
| 11271639 | Communication system, repeater, control station, and control method | Shigenori Tani, Katsuyuki Motoyoshi, Tsuyoshi Sasaki, Futaba Ejima | 2022-03-08 |
| 10938467 | Transmitting station, control station, receiving station, data transmission system, and data transmission method | Shigenori Tani, Hiroyasu Sano, Katsuyuki Motoyoshi, Futaba Ejima, Kyoichiro Izumi | 2021-03-02 |
| 10454567 | Multi-beam satellite communication system | — | 2019-10-22 |
| 10432251 | Receiver, transmitter, radio communication system, and radio communication method | Makoto Yamazaki, Tomohiro Ogino | 2019-10-01 |
| 9923596 | Demodulation apparatus | — | 2018-03-20 |
| 9917634 | Demultiplexing apparatus, multiplexing apparatus, and relay apparatus | — | 2018-03-13 |
| 9749947 | Wireless communication apparatus and wireless communication control method that performs communication using a frequency division multiplexing method | Minoru Akita | 2017-08-29 |
| 9749037 | Demultiplexing apparatus, multiplexing apparatus, and relay apparatus | — | 2017-08-29 |
| 9473236 | Relay apparatus, relay satellite, and satellite communication system | Tsuyoshi Sasaki | 2016-10-18 |
| 9136933 | Demultiplexing apparatus, multiplexing apparatus, and relay apparatus | — | 2015-09-15 |
| 8861661 | Interference wave suppressing apparatus, relay apparatus, relay system, and interference wave suppressing method | — | 2014-10-14 |
| 8731123 | Demultiplexing device, multiplexing device, and relay device | — | 2014-05-20 |
| 8675628 | Demultiplexing apparatus, multiplexing apparatus, communication apparatus, and relay satellite | Yasushi Sogabe | 2014-03-18 |
| 8542785 | Communication apparatus and communication system | Kazunari Kihira, Yasushi Sogabe | 2013-09-24 |
| 8462875 | Timing regenerating device | Keishi Takeda | 2013-06-11 |
| 8346161 | Satellite communication system | Yasushi Sogabe, Takashi Kuwahara, Futaba Ejima | 2013-01-01 |
| 8311146 | Radio communication system | Yasushi Sogabe, Fumio Ishizu, Tadashi Takagi, Hiroyuki Nakase, Kazuo Tsubouchi +2 more | 2012-11-13 |
| 7194240 | Radio communication apparatus | Hiroaki Hirai, Yukimasa Nagai, Yosikatu Tajima, Mari Otiai | 2007-03-20 |
| 6850576 | Method and apparatus for reproducing timing, and a demodulating apparatus that uses the method and apparatus for reproducing timing | Seiji Okubo, Toshiharu Kojima | 2005-02-01 |
| 6728298 | Spread spectrum communication system and method for the same | Seiji Okubo, Toshiharu Kojima | 2004-04-27 |