Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7872609 | Circular waveguide antenna and circular waveguide array antenna | Hok Huor Ou, Seiji Nishi, Kiyoshi Hamaguchi, Yozo Shoji | 2011-01-18 |
| 7869668 | Method for generating carrier residual signal and its device | Yoshihiro Hashimoto, Kaoru Higuma, Junichiro Ichikawa, Shingo Mori, Yozo Shoji | 2011-01-11 |
| 7804883 | Method and system for frequency hopping radio communication | Yozo Shoji | 2010-09-28 |
| 7697846 | Method for changing frequency and base station in radio optical fusion communication system | Yozo Shoji, Yoshihiro Hashimoto | 2010-04-13 |
| 7697574 | Radio communication apparatus, transmitter apparatus and receiver apparatus | Eiji Suematsu, Kiyoshi Hamaguchi, Yozo Shoji | 2010-04-13 |
| 7599672 | Millimeter-wave-band radio communication method in which both a modulated signal and an unmodulated carrier are transmitted to a system with a receiver having plural receiving circuits | Yozo Shoji, Kiyoshi Hamaguchi | 2009-10-06 |
| 7302236 | Radio communication method and system for performing communication among a plurality of radio communication terminals | Yozo Shoji, Kiyoshi Hamaguchi | 2007-11-27 |
| 7292831 | Radio communicate method and system | Yozo Shoji, Kiyoshi Hamaguchi, Hiroyuki Tsuji | 2007-11-06 |
| 7280824 | Wireless communication system | Yozo Shoji | 2007-10-09 |
| 7251461 | Wireless communications system, wireless transmitter, and wireless receiver | Yozo Shoji, Kiyoshi Hamaguchi | 2007-07-31 |
| 7177599 | Line quality characteristic evaluation system | Isao Nakazawa, Yoshiaki Kobayashi, Ryoichi Shimada, Toshikazu Youkai, Tatsuaki Hamai +1 more | 2007-02-13 |
| 7107011 | Interference measurement and evaluation system | Isao Nakazawa, Yoshiaki Kobayashi, Ryoichi Shimada, Toshikazu Youkai, Tatsuaki Hamai +1 more | 2006-09-12 |
| 7043201 | Two-way radio communication system and two-way radio communication method | Yozo Shoji, Kiyoshi Hamaguchi | 2006-05-09 |
| 6826234 | Radio communication apparatus and radio communication method | Yozo Shoji, Kiyoshi Hamaguchi | 2004-11-30 |
| 4700348 | Hot standby communications system | Taichiro Ise, Kazuyuki Yamamoto | 1987-10-13 |