Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9124499 | Frame transmission system | Makoto Takakuwa, Yasushi Nishine, Fumihiko Saito, Mika Tokunaga, Toshihiro Koji +3 more | 2015-09-01 |
| 8948236 | Radio terminal device, radio base station device, radio ranging system, and radio ranging method | Hirohito Mukai, Yoichi Nakagawa | 2015-02-03 |
| 8665153 | Array signal processing device | Yoichi Nakagawa, Hirohito Mukai | 2014-03-04 |
| 8659477 | Base station device and distance measuring method | Yasunari Kimura, Yoichi Nakagawa, Hirohito Mukai | 2014-02-25 |
| 8605598 | Frame loss measurement method, system, and apparatus | — | 2013-12-10 |
| 8599071 | Adaptive antenna radio communication device | Takaaki Kishigami, Yasuaki Yuda, Keiji Takakusaki, Shoji Miyamoto | 2013-12-03 |
| 8532064 | Radio communication device and arrival direction estimation method | Takaaki Kisigami, Yasuaki Yuda, Keiji Takausaki, Shoji Miyamoto | 2013-09-10 |
| 8520641 | Radio communication device and arrival direction estimation method | Takaaki Kisigami, Yasuaki Yuda, Keiji Takausaki, Shoji Miyamoto | 2013-08-27 |
| 8498327 | Wireless communication apparatus | Yasuaki Yuda, Takaaki Kishigami, Yoichi Nakagawa, Shinichiro Takabayashi | 2013-07-30 |
| 8400357 | Radio arrival direction estimation device and radio arrival direction estimation method | Yoichi Nakagawa, Hirohito Mukai | 2013-03-19 |
| 8208981 | MIMO communication device | Yoichi Nakagawa, Masato Ukena | 2012-06-26 |
| 8195201 | Radio positioning system and coordinate configuring method | Hirohito Mukai, Yoichi Nakagawa, Toshiki Kanehara | 2012-06-05 |
| 8189649 | Wireless communication apparatus | Yasuaki Yuda, Takaaki Kishigami, Yoichi Nakagawa, Shinichiro Takabayashi | 2012-05-29 |
| 8165248 | Wireless distance measurement system and wireless terminal | Yoichi Nakagawa, Hirohito Mukai | 2012-04-24 |
| 7940215 | Adaptive antenna radio communication device | Takaaki Kishigami, Yasuaki Yuda, Keiji Takakusaki, Shoji Miyamoto | 2011-05-10 |
| 7885181 | Ring node apparatus | Toshihiro Ban, Kazuhiro Minamimoto, Masanori Kondo, Yasushi Nishine | 2011-02-08 |
| 7868815 | Wireless distance measurement system and wireless distance measurement method | Hirohito Mukai, Yoichi Nakagawa, Tadao Inoue | 2011-01-11 |
| 7860064 | Radio communication device and arrival direction estimation method | Takaaki Kisigami, Yasuaki Yuda, Keiji Takausaki, Shoji Miyamoto | 2010-12-28 |
| 7676005 | Wireless communication apparatus | Yasuaki Yuda, Takaaki Kishigami, Yoichi Nakagawa, Shinichiro Takabayashi | 2010-03-09 |
| 7593317 | Radio base station apparatus | Yasuaki Yuda, Takaaki Kishigami, Keiji Takakusaki, Shoji Miyamoto | 2009-09-22 |
| 7529248 | Network device provided with ethernet interface | Yoichi Konuma, Koichi Saiki, Masashige Kawarai | 2009-05-05 |
| 7515527 | SDH transmission apparatus and signal transmission method | Hiroyuki Akiyama | 2009-04-07 |
| 7333056 | Adaptive antenna radio communication device | Takaaki Kishigami, Yasuaki Yuda, Keiji Takakusaki, Shoji Miyamoto | 2008-02-19 |
| 7263083 | Radio communication device and arrival direction estimation method | Takaaki Kisigami, Yasuaki Yuda, Keiji Takausaki, Shoji Miyamoto | 2007-08-28 |
| 7184734 | Radio communication apparatus | Yasuaki Yuda, Takaaki Kishigami, Keiji Takakusaki, Shoji Miyamoto | 2007-02-27 |