Inventor
IGARASHI TADAO
JP8 patents
Patents
8 patentsUS4918558AApr 17, 1990
Magnetic tape cassette having reel locks controlled by an optical tape end detecting element
SONY CORP23 citations91
US5143217ASep 1, 1992
Tape-cartridge case with thin, single layer side wall for reading upc code
SONY CORP7 citations71
US4896238AJan 23, 1990
Tape cassette with pressable cap for fixing reel on reel base
SONY CORP9 citations71
US4864448ASep 5, 1989
Tape cassette
SONY CORP8 citations71
US4791504ADec 13, 1988
Tape cassette with lid lock and tape characteristic indicating member
SONY CORP13 citations71
USD293570SJan 5, 1988
Reel for a video tape cassette
SONY CORP2 citations60
USD293569SJan 5, 1988
Reel for a video tape cassette
SONY CORP5 citations60
US4646188AFeb 24, 1987
VTR tape cassette
SONY CORP5 citations60