Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365572 | Cordless key telephone system with multiple tenant facility | Yukihiro Shimura, Shinji Kumataka, Hirokazu Adachi, Ichiro Tamura, Kosuke Hashimoto | 1994-11-15 |
| 5305371 | Cordless key telephone system for repeating attempts to alert stations located in interference-affected zones | Naoyasu Nishimura, Ichiro Tamura | 1994-04-19 |
| 5287400 | Communication control device capable of quickly searching for an idle speech channel in a standby mode in a cordless telephone system | — | 1994-02-15 |
| 5239572 | Cordless key telephone system capable of quickly answering incoming calls | Akio Yotsutani, Shinji Kumataka, Kouzo Kobayashi, Hiroyuki Misawa, Kosuke Hashimoto | 1993-08-24 |
| 5155759 | Control method for cordless telephone which displays identities of responding called parties | Toshihiro Hara, Hideki Toyama, Yuji Ohta, Shoji Fuse, Koji Ono | 1992-10-13 |
| 5136629 | Radio communication system having control method for shortening call response time | Hideki Toyama, Yuji Ohta, Yukihiro Shimura, Shoji Fuse, Koji Ono | 1992-08-04 |
| 5123042 | Cordless telephone apparatus which avoids simultaneous connecting unit/cordless telephone call conflicts | Naoyuki Kohyama | 1992-06-16 |
| 5109393 | Mobile communications system insensitive to false frame sync | — | 1992-04-28 |
| 5086451 | Method for controlling a plurality of stationary apparatuses in a cordless telephone system | Yukihiro Shimura, Hideki Toyama, Yuji Ohta, Shoji Fuse, Koji Ono | 1992-02-04 |
| 4991198 | Interconnection control method in cordless telephone system | Kazuyuki Tate, Ryoji Kawasaki, Yukihiro Shimura, Syoji Huse, Koji Ono | 1991-02-05 |
| 4910761 | Radio telephone | Yukihiro Shimura, Yuichiro Takagawa, Shoichi Tozuka, Yasushi Hatakeyama | 1990-03-20 |
| 4876708 | Cordless telephone system | Toshihiro Hara, Ryoji Kawasaki, Kazuyuki Tate, Syoji Huse, Koji Ono | 1989-10-24 |
| 4864599 | Registration of a new cordless telephone to an existing system | Yukihiro Shimura | 1989-09-05 |
| 4841167 | Clock recovering device | — | 1989-06-20 |
| 4802201 | Control system of a radio telephone apparatus | Kazuhiro Yoshizawa, Akio Yotsutani, Koichi Ito, Syozi Huse, Akio Toki | 1989-01-31 |
| 4744101 | Cordless telephone system | — | 1988-05-10 |
| 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, Akio Yotsutani, Koichi Ito, Syozi Huse | 1988-04-05 |
| 4726052 | Radio telephone system and method for controlling same | Kaoru Kato, Kazuhiro Yoshizawa, Akio Yotsutani, 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, Akio Yotsutani, Koichi Ito, Syozi Huse | 1987-07-07 |
| 4640986 | Mobile radio communication system | Akio Yotsutani, Masayuki Makino, Tomoshi Sone | 1987-02-03 |
| 4355401 | Radio transmitter/receiver for digital and analog communications system | Masao Ikoma, Yoshihiko Akaiwa, Ichirou Takase | 1982-10-19 |