Inventor · disambiguated record
Kaichi Yamamoto
Also filed as: YAMAMOTO KAICHI
17 granted patents·711 citations·filing 1977–1997
96Inventor score
Files withSONY CORP17
Top patents by PatentIndex Score
17 records- 0198US4364081AMethod and apparatus for processing a digital color video signalSONY CORP·Filed 1981·Granted Dec 14, 1982·139 cites·31 claims
- 0297US4141039ARecorder memory with variable read and write ratesSONY CORP·Filed 1977·Granted Feb 20, 1979·79 cites·34 claims
- 0392US4463387ADigital video data recording apparatusSONY CORP·Filed 1981·Granted Jul 31, 1984·79 cites·11 claims
- 0489US4533937AKey signal generating apparatus for digital chromakey systemSONY CORP·Filed 1982·Granted Aug 6, 1985·46 cites·14 claims
- 0589US4329708ADigital signal processing apparatusSONY CORP·Filed 1980·Granted May 11, 1982·62 cites·24 claims
- 0688US4468710ADigital video recorderSONY CORP·Filed 1981·Granted Aug 28, 1984·49 cites·11 claims
- 0788US4392162ADigital video signal reproducing apparatusSONY CORP·Filed 1980·Granted Jul 5, 1983·50 cites·16 claims
- 0887US4378593ATime base conversion apparatusSONY CORP·Filed 1980·Granted Mar 29, 1983·30 cites·11 claims
- 0982US4348659AMethod and apparatus for encoding a digital signal to have minimal DC componentSONY CORP·Filed 1980·Granted Sep 7, 1982·24 cites·29 claims
- 1081US4488169ADigital chromakey apparatusSONY CORP·Filed 1982·Granted Dec 11, 1984·31 cites·13 claims
- 1177US4167754ASolid state television camera with noise eliminating circuitSONY CORP·Filed 1978·Granted Sep 11, 1979·39 cites·12 claims
- 1276US4275466ABlock sync signal extracting apparatusSONY CORP·Filed 1979·Granted Jun 23, 1981·28 cites·9 claims
- 1374US4429334AMethod for recording and reproducing a digital color video signalSONY CORP·Filed 1980·Granted Jan 31, 1984·22 cites·12 claims
- 1469US4672480AApparatus for recording digital data of various kinds on a slant track of a recording tapeSONY CORP·Filed 1984·Granted Jun 9, 1987·14 cites·5 claims
- 1560US4437125ADigital signal processing method and apparatusSONY CORP·Filed 1981·Granted Mar 13, 1984·13 cites·14 claims
- 1635US4509016ASignal detecting circuitSONY CORP·Filed 1984·Granted Apr 2, 1985·3 cites·11 claims
- 1733US6300972B1Video card and video data communication apparatusSONY CORP·Filed 1997·Granted Oct 9, 2001·3 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →