Inventor · disambiguated record
Tomomitsu Kuroyanagi
Also filed as: KUROYANAGI TOMOMITSU · NAKAGAWA ISAO
14 granted patents·380 citations·filing 1978–1989
93Inventor score
Files withHITACHI LTD14
Top patents by PatentIndex Score
14 records- 0197US4249213APicture-in-picture television receiverHITACHI LTD·Filed 1979·Granted Feb 3, 1981·187 cites·11 claims
- 0276US4612585AChrominance signal recording and reproducing apparatusHITACHI LTD·Filed 1983·Granted Sep 16, 1986·24 cites·19 claims
- 0372US4550345AMagnetic video pilot signal recording/reproducing systemHITACHI LTD·Filed 1982·Granted Oct 29, 1985·24 cites·11 claims
- 0472US4524380AChroma signal recording and reproducing circuitHITACHI LTD·Filed 1982·Granted Jun 18, 1985·21 cites·31 claims
- 0572US4476491AGhost reduction circuit for television receiverHITACHI LTD·Filed 1982·Granted Oct 9, 1984·22 cites·16 claims
- 0667US4858030AReproducing apparatus of a video disc playerHITACHI LTD·Filed 1987·Granted Aug 15, 1989·21 cites·19 claims
- 0764US4367484APicture-in-picture color television receiverHITACHI LTD·Filed 1980·Granted Jan 4, 1983·17 cites·2 claims
- 0863US4782246APhase shift circuit for electrical signalHITACHI LTD·Filed 1987·Granted Nov 1, 1988·15 cites·4 claims
- 0962US5047866AComb filter type luminance/chrominance signal separation circuitHITACHI LTD·Filed 1989·Granted Sep 10, 1991·18 cites·3 claims
- 1060US4205335ACircuit arrangement for separating chrominance and luminance information in a composite video signal of an NTSC systemHITACHI LTD·Filed 1978·Granted May 27, 1980·12 cites·2 claims
- 1149US4748422AAmplifier circuit suitable for use as an active filter circuitHITACHI LTD·Filed 1987·Granted May 31, 1988·9 cites·7 claims
- 1238US4554596AColor video signal recording apparatusHITACHI LTD·Filed 1982·Granted Nov 19, 1985·5 cites·5 claims
- 1331US4607292AAutomatic phase control color signal circuit for video tape recorders operating in the NTSC or PAL systemsHITACHI LTD·Filed 1983·Granted Aug 19, 1986·3 cites·9 claims
- 1431US4586083AGhost reduction circuit arrangement for a television receiverHITACHI LTD·Filed 1981·Granted Apr 29, 1986·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →