Inventor
UCHIDOI MASATAKA
JP8 patents
Patents
8 patentsUS5077120ADec 31, 1991
Optical disk
PIONEER ELECTRONIC CORP34 citations91
US4268653AMay 19, 1981
Process for preparation of a polymeric piezo-electric material and material prepared by said process
PIONEER ELECTRONIC CORP28 citations80
US4366205ADec 28, 1982
Tone-arm elements
PIONEER ELECTRONIC CORP10 citations72
US4343376AAug 10, 1982
Vibratory elements for audio equipment
PIONEER ELECTRONIC CORP13 citations72
US5039558AAug 13, 1991
Optical recording medium and method of manufacturing thereof
PIONEER ELECTRONIC CORP7 citations71
US4950520AAug 21, 1990
Optical recording medium and method manufacturing thereof
PIONEER ELECTRONIC CORP7 citations71
US4362772ADec 7, 1982
Vibratory elements for audio equipment
PIONEER ELECTRONIC CORP5 citations61
US5356684AOct 18, 1994
Optical recording medium and method of manufacturing thereof
PIONEER ELECTRONIC CORP0 citations46