Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711376 | Method of providing location service using CDMA-based cellular phone system, a method of measuring location and location system | Mikio Kuwahara, Tomoaki Ishifuji | 2010-05-04 |
| 7509139 | Method for selecting base station | Ryota Yamasaki, Kumiko Takikawa, Takaki Uta | 2009-03-24 |
| 7353032 | Method, system, and apparatus for detecting a position of a terminal in a network | Takashi Yano, Katsuhiko Tsunehara, Ryota Yamasaki, Masaaki Shida, Hideya Suzuki +1 more | 2008-04-01 |
| 7345630 | System and method for position detection of a terminal in a network | Tsuyoshi Tamaki, Takaki Uta, Ryota Yamasaki | 2008-03-18 |
| 7299058 | Position calculation method and storage medium storing a program therefor | — | 2007-11-20 |
| 7266098 | Wireless position measurement method and wireless position measurement system | Ryota Yamasaki, Katsuhiko Tsunehara, Naoto Matsuzawa, Hideya Suzuki, Takashi Yano | 2007-09-04 |
| 7167712 | Method, system, and apparatus for detecting a position of a terminal in a network | Takashi Yano, Katsuhiko Tsunehara, Ryota Yamasaki, Masaaki Shida, Hideya Suzuki +1 more | 2007-01-23 |
| 7158799 | Wireless base station position setting method, wireless communication system, and program | Takeshi Kato | 2007-01-02 |
| 7138946 | System and method for position detection of a terminal in a network | Tsuyoshi Tamaki, Takaki Uta, Ryota Yamasaki | 2006-11-21 |
| 7139583 | Positioning system and method based on time difference of arrival | Ryota Yamasaki, Masaaki Shida | 2006-11-21 |
| 7110775 | Position calculation method and a mobile terminal and a server therefor | Kenzaburo Fujishima, Hideya Suzuki | 2006-09-19 |
| 7024176 | Cellular telephone device and transmitter to cellular telephone | Hiroshi Shimizu, Masahiko Saito, Jun Maeoka, Nobuaki Kohinata, Shinichi Obata | 2006-04-04 |
| 7013111 | Wireless communication apparatus | Mikio Kuwahara, Kenichi Mizugaki, Kenzaburo Fujishima | 2006-03-14 |
| 6972718 | Position calculating method, signal receiver, and position calculating apparatus therefor | Koji Watanabe | 2005-12-06 |
| 6889051 | Method and apparatus for measuring transmitting time offset of a base station | Mikio Kuwahara, Tomoaki Ishifuji, Kenzaburo Fujishima | 2005-05-03 |
| 6865394 | Location detection method, location detection system and location detection program | Mikio Kuwahara, Tomoaki Ishifuji | 2005-03-08 |
| 6788928 | Cellular phone | Nobuaki Kohinata, Jun Maeoka, Shinichi Obata, Hiroshi Shimizu, Masahiko Saito | 2004-09-07 |
| 6750812 | Terminal and server for mobile terminal positioning system | Kenichi Mizugaki, Hideya Suzuki | 2004-06-15 |
| 6731905 | Fixed wireless access system and apparatus therefor | Hideya Suzuki, Tomoaki Ishifuji, Nobukazu Doi | 2004-05-04 |
| 6456830 | Diversity wireless communication method and its wireless communication apparatus | Hideya Suzuki, Tomoaki Ishifuji | 2002-09-24 |
| 6411430 | Optical amplifier | Masaru Fukushima, Yoshihiro Emori, Haruki Ogoshi, Yoshio Tashiro | 2002-06-25 |
| 6308054 | Diversity wireless communication method and its wireless communication apparatus | Hideya Suzuki, Tomoaki Ishifuji | 2001-10-23 |
| 6249669 | Diversity wireless communication method and its wireless communication apparatus | Hideya Suzuki, Tomoaki Ishifuji | 2001-06-19 |
| 6217680 | Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same | Yoshikazu Kawabata, Kaneharu Okuda, Kei Sakata, Takashi Obara | 2001-04-17 |
| 6103394 | Thin steel sheet having excellent rectangular drawability and production method thereof | Kaneharu Okuda, Yoshikazu Kawabata, Kei Sakata, Takaaki Hira, Takashi Obara | 2000-08-15 |