| 6055500 |
Information transfer, recording and reproducing device |
Takafumi Ohnishi, Kenji Furuta |
2000-04-25 |
| 5903871 |
Voice recording and/or reproducing apparatus |
Masatoshi Tobinai |
1999-05-11 |
| 5774863 |
Speech information recording/reproducing apparatus |
Hideo Okano, Hisashi Suekane, Hisato Torii, Takafumi Onishi, Hidetaka Takahashi +1 more |
1998-06-30 |
| 5710813 |
Digital voice recording/reproducing apparatus |
Hidetaka Takahashi |
1998-01-20 |
| 5510924 |
Voice information transfer system capable of easily performing voice information transfer using optical signal |
Takafumi Ohnishi, Kenji Furuta |
1996-04-23 |
| 4700376 |
Automatic telephone answering apparatus with remote control signal muting |
Hiroshi Ohya |
1987-10-13 |
| 4488186 |
Tape run control device for microcassette tape recorder |
— |
1984-12-11 |
| 4446493 |
Variable frequency-response equalizer |
— |
1984-05-01 |
| 4342054 |
Information read device |
Kozo Kobayashi |
1982-07-27 |
| 4267515 |
Distortion factor meter circuit |
Kozo Kobayashi |
1981-05-12 |