Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148470 | Radio telephone apparatus having an instantaneous conversation function | Kazuo Kobayashi, Koichi Ito, Hisanori Kuroki | 1992-09-15 |
| 5111499 | Cordless telephone apparatus having a ringer circuit operable during power failure | Yuji Umemoto, Shuji Yamaguchi | 1992-05-05 |
| 5109537 | Telecommunication apparatus having an ID rechecking function | — | 1992-04-28 |
| 4972454 | Radio telephone apparatus and a method of controlling same | Koichi Ito, Masanori Toba | 1990-11-20 |
| 4802201 | Control system of a radio telephone apparatus | Kazuhiro Yoshizawa, Akio Yotsutani, Noboru Saegusa, Koichi Ito, Syozi Huse | 1989-01-31 |
| 4788712 | Howler indicator in cordless telephone system | Yuji Umemoto | 1988-11-29 |
| 4761806 | Method and circuit for setting dialing data in a wireless telephone | — | 1988-08-02 |
| 4726052 | Radio telephone system and method for controlling same | Kaoru Kato, Kazuhiro Yoshizawa, Akio Yotsutani, Noboru Saegusa, Isao Sasaki +1 more | 1988-02-16 |