Inventor · disambiguated record
Hisaaki Narahara
Also filed as: NARAHARA HISAAKI
6 granted patents·58 citations·filing 1974–1990
81Inventor score
Technology areasH04N
Files withSONY CORP6
Top patents by PatentIndex Score
6 records- 0181US3968514AMagnetic recording and/or reproducing apparatusSONY CORP·Filed 1974·Granted Jul 6, 1976·22 cites·10 claims
- 0257US5079525AAudio-video modulator system on ic chipSONY CORP·Filed 1990·Granted Jan 7, 1992·18 cites·5 claims
- 0352US4012774ADrop-out responsive color video reproducing apparatusSONY CORP·Filed 1976·Granted Mar 15, 1977·9 cites·15 claims
- 0443US4068256AVideo recording apparatus with color killerSONY CORP·Filed 1976·Granted Jan 10, 1978·6 cites·3 claims
- 0529US4037247AStill color television signal recording and reproducing apparatusSONY CORP·Filed 1976·Granted Jul 19, 1977·1 cites·6 claims
- 0627US4048650AStill color television signal recording and reproducing apparatusSONY CORP·Filed 1976·Granted Sep 13, 1977·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →