| D338671 |
Streaming cassette tape drive |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube, Hiroyuki Watanabe, Keiji Tsunoda |
1993-08-24 |
| D334928 |
Tape recorder |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe, Yukio Iikura |
1993-04-20 |
| D334929 |
Tape recorder |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe, Yukio Iikura |
1993-04-20 |
| D334931 |
Tape recorder |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe, Yukio Iikura |
1993-04-20 |
| D329051 |
Digital audio tape recorder |
Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima |
1992-09-01 |
| D329050 |
Digital audio disk player |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe |
1992-09-01 |
| D328897 |
Combined tuner and amplifier |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe |
1992-08-25 |
| D328747 |
Combined tuner and amplifier |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe |
1992-08-18 |
| D327889 |
Digital audio disk player |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe |
1992-07-14 |
| D327688 |
Combined tuner and amplifier |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe |
1992-07-07 |
| D325204 |
Combined audio mixer and tape recorder |
Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima, Keiji Tsunoda |
1992-04-07 |
| D321192 |
Combined digital audo disc player and tape recorder |
Masafumi Ito, Minoru Sube, Hiroyuki Watanabe |
1991-10-29 |
| D319237 |
Tape recorder |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube, Katsuhiro Takashima, Hiroyuki Watanabe |
1991-08-20 |
| D315905 |
Digital audio disc player |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube |
1991-04-02 |
| D315723 |
Digital-analog converter |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube |
1991-03-26 |
| D314197 |
Digital audio disc player |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube |
1991-01-29 |
| D313997 |
Remote controller for audio machines |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube |
1991-01-22 |
| D309735 |
Tape recorder |
Masafumi Ito, Shigeru Hasegawa, Minoru Sube |
1990-08-07 |
| D304941 |
Compact disc player |
Masafumi Ito, Sigeru Hasegawa, Minoru Sube |
1989-12-05 |
| D304829 |
Combined compact disc player and tape recorder |
Masafumi Ito, Sigeru Hasegawa, Minoru Sube |
1989-11-28 |
| D297932 |
Video tape recorder |
Masafumi Ito, Sigeru Hasegawa, Minoru Sube |
1988-10-04 |
| D291196 |
Combined tape recorder and audio mixer |
Masafumi Ito, Koji Suzuki, Shigeru Hasegawa |
1987-08-04 |
| D288437 |
Audio mixer |
Masafumi Itoh, Sigeru Hasegawa, Junko Suzuki, Kouji Suzuki |
1987-02-24 |
| D287726 |
Disc drive assembly |
Masafumi Itoh, Sigeru Hasegawa, Kouji Suzuki |
1987-01-13 |
| D273950 |
Audio mixer |
Masafumi Itoh, Sigeru Hasegawa, Kouzi Suzuki |
1984-05-22 |