Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239572 | Cordless key telephone system capable of quickly answering incoming calls | Noboru Saegusa, Shinji Kumataka, Kouzo Kobayashi, Hiroyuki Misawa, Kosuke Hashimoto | 1993-08-24 |
| 5140628 | Radio telephone system control method | Yoshitoshi Murata, Kazuhiro Yoshizawa, Koichi Ito | 1992-08-18 |
| 4974251 | Cordless telephone system | Yuji Ohta, Michimasa Shirakata, Toshihiro Hara, Shoji Fuse, Koji Ono | 1990-11-27 |
| 4962524 | Cordless telephone apparatus and a method of controlling same | Yoshitoshi Murata, Yuji Ohta, Toshihiro Hara, Koji Ono, Shoji Fuse | 1990-10-09 |
| 4897864 | Control method and appartus for a radio telephone system | Yoshitoshi Murata, Kazuhiro Yoshizawa, Koichi Ito | 1990-01-30 |
| 4875231 | Radio telephone system | Toshihiro Hara, Ryoji Kawasaki, Kazuyuki Tate, Syoji Huse, Koji Ono | 1989-10-17 |
| 4843622 | Communication control system capable of searching a called telephone set in a mobile radio telephone network | Yukihiro Sako, Toshihiko Shibata, Yoshitoshi Murata | 1989-06-27 |
| 4802201 | Control system of a radio telephone apparatus | Kazuhiro Yoshizawa, Noboru Saegusa, Koichi Ito, Syozi Huse, Akio Toki | 1989-01-31 |
| 4802200 | Radio telephone system control apparatus and method | Yoshitoshi Murata, Kazuhiro Yoshizawa, Koichi Ito | 1989-01-31 |
| 4776001 | Radio telephone system control apparatus and method | Yoshitoshi Murata, Kazuhiro Yoshizawa, Koichi Ito | 1988-10-04 |
| 4736461 | Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same | Ryoji Kawasaki, Kazuhiro Yoshizawa, Noboru Saegusa, Koichi Ito, Syozi Huse | 1988-04-05 |
| 4726052 | Radio telephone system and method for controlling same | Kaoru Kato, Kazuhiro Yoshizawa, Noboru Saegusa, Isao Sasaki, Koichi Ito +1 more | 1988-02-16 |
| 4679244 | Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same | Ryoji Kawasaki, Kazuhiro Yoshizawa, Noboru Saegusa, Koichi Ito, Syozi Huse | 1987-07-07 |
| 4656653 | Cordless telephone apparatus having means for synchronizing channel scanning of fixed and portable units | Toshiaki Oda | 1987-04-07 |
| 4640986 | Mobile radio communication system | Masayuki Makino, Noboru Saegusa, Tomoshi Sone | 1987-02-03 |
| 4195263 | Selective call radio communication receiver | Masaru Masaki | 1980-03-25 |
| 4194153 | Digital radio paging communication system | Masaru Masaki | 1980-03-18 |