Inventor
KUROYANAGI TOMOMITSU
JP14 patents
Patents
14 patentsUS4249213AFeb 3, 1981
Picture-in-picture television receiver
HITACHI LTD187 citations99
US4858030AAug 15, 1989
Reproducing apparatus of a video disc player
HITACHI LTD21 citations82
US4612585ASep 16, 1986
Chrominance signal recording and reproducing apparatus
HITACHI LTD24 citations81
US4524380AJun 18, 1985
Chroma signal recording and reproducing circuit
HITACHI LTD21 citations81
US4476491AOct 9, 1984
Ghost reduction circuit for television receiver
HITACHI LTD22 citations81
US4550345AOct 29, 1985
Magnetic video pilot signal recording/reproducing system
HITACHI LTD24 citations78
US5047866ASep 10, 1991
Comb filter type luminance/chrominance signal separation circuit
HITACHI LTD18 citations73
US4205335AMay 27, 1980
Circuit arrangement for separating chrominance and luminance information in a composite video signal of an NTSC system
HITACHI LTD12 citations73
US4782246ANov 1, 1988
Phase shift circuit for electrical signal
HITACHI LTD15 citations72
US4748422AMay 31, 1988
Amplifier circuit suitable for use as an active filter circuit
HITACHI LTD9 citations72
US4367484AJan 4, 1983
Picture-in-picture color television receiver
HITACHI LTD17 citations72
US4586083AApr 29, 1986
Ghost reduction circuit arrangement for a television receiver
HITACHI LTD2 citations62
US4554596ANov 19, 1985
Color video signal recording apparatus
HITACHI LTD5 citations62
US4607292AAug 19, 1986
Automatic phase control color signal circuit for video tape recorders operating in the NTSC or PAL systems
HITACHI LTD3 citations58