Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387760 | Combined digital audio disc player, radio tuner, amplifier and tape recorder | Masafumi Ito, Minoru Sube, Hiroyuki Watanabe | 1997-12-16 |
| D386482 | Optical disc drive | Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima | 1997-11-18 |
| D385275 | Digital audio disc player | Masafumi Ito, Minoru Sube, Hiroyuki Watanabe, Yukio Iikura | 1997-10-21 |
| D384356 | Combined audio mixer and tape recorder | Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima | 1997-09-30 |