Inventor · disambiguated record
Yoshizumi Eto
Also filed as: ETO YOSHIZUMI
33 granted patents·1,154 citations·filing 1970–1997
98Inventor score
Top patents by PatentIndex Score
33 records- 0196US5159452AVideo signal transmitting method and equipment of the sameHITACHI LTD·Filed 1990·Granted Oct 27, 1992·219 cites·15 claims
- 0295US4970707AOptical tape apparatus with a tracking control mechanism and/or a focusing control mechanismHITACHI LTD·Filed 1988·Granted Nov 13, 1990·64 cites·26 claims
- 0394US5282045ADepth-of-field control apparatus and image pickup apparatus having the same thereinHITACHI LTD·Filed 1991·Granted Jan 25, 1994·183 cites·6 claims
- 0490US5047852AAdaptive transform encoder for digital image signal in recording/reproducing apparatusHITACHI LTD·Filed 1989·Granted Sep 10, 1991·77 cites·8 claims
- 0588US4653052AMethod for decoding double-encoding codes and apparatus using the sameHITACHI LTD·Filed 1985·Granted Mar 24, 1987·52 cites·6 claims
- 0683US5978651AMethod for bidirectionally transmitting digital video signal and digital video signal bidirectional transmission systemHITACHI ELECTRONICS·Filed 1997·Granted Nov 2, 1999·79 cites·21 claims
- 0783US4628297ACode modulation systemHITACHI LTD·Filed 1985·Granted Dec 9, 1986·30 cites·6 claims
- 0880US4367495AMethod and apparatus for magnetic recording and reproduction of digital signalHITACHI ELECTRONICS·Filed 1980·Granted Jan 4, 1983·22 cites·6 claims
- 0978US3999011AMethod and system for controlling electron beam quantity in camera tubeHITACHI LTD·Filed 1974·Granted Dec 21, 1976·18 cites·4 claims
- 1077US4825291ASolid-state televison camera with storage time controllerHITACHI LTD·Filed 1987·Granted Apr 25, 1989·30 cites·13 claims
- 1176US4963992AApparatus for recording/reproducing digital video signals in both a standard mode and a long playing modeHITACHI LTD·Filed 1989·Granted Oct 16, 1990·30 cites·4 claims
- 1275US3975657AMethod of and apparatus for controlling amount of electron beam in image pickup tubeHITACHI LTD·Filed 1974·Granted Aug 17, 1976·16 cites·16 claims
- 1374US4700240ADigital data playback systemHITACHI LTD·Filed 1985·Granted Oct 13, 1987·21 cites·7 claims
- 1473US5701581AMethod for bidirectionally transmitting digital video signal and digital video signal bidirectional transmission systemHITACHI ELECTRONICS·Filed 1994·Granted Dec 23, 1997·33 cites·14 claims
- 1573US4737863AMethod for distributing and recording video signals and an apparatus using the sameHITACHI LTD·Filed 1985·Granted Apr 12, 1988·31 cites·12 claims
- 1672US5247401AReplay equalization circuit in digital image recorderHITACHI LTD·Filed 1989·Granted Sep 21, 1993·20 cites·3 claims
- 1771US4409627AVideo signal decoding circuitHITACHI ELECTRONICS·Filed 1980·Granted Oct 11, 1983·19 cites·6 claims
- 1871US4233506APhoto-sensorNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Nov 11, 1980·17 cites·22 claims
- 1966US4775897ADubbing method and apparatus for digital recording reproducing apparatus including direct digital outputsHITACHI LTD·Filed 1986·Granted Oct 4, 1988·21 cites·13 claims
- 2065US6252898B1Spread spectrum communication method and system wherein data rate of data to be transmitted is changed in accordance with transmission qualityHITACHI ELECTRONICS·Filed 1996·Granted Jun 26, 2001·33 cites·26 claims
- 2165US4791495ADigital signal recording and reproducing system having an interface for dubbing a color television signal in the component formHITACHI ELECTRONICS·Filed 1986·Granted Dec 13, 1988·14 cites·6 claims
- 2262US6345390B1Bidirectional digital signal transmission system and repeater for the sameHITACHI ELECTRONICS·Filed 1997·Granted Feb 5, 2002·27 cites·12 claims
- 2358US5113247ASolid state image pickup apparatus for correcting discrepancy of registrationHITACHI LTD·Filed 1989·Granted May 12, 1992·14 cites·17 claims
- 2454US4802192ACircuit for detecting synchronizing codeHITACHI LTD·Filed 1987·Granted Jan 31, 1989·19 cites·3 claims
- 2553US5500676AMethod of encoding and multiplexing picture signals and apparatus utilizing the sameJAPAN BROADCASTING CORP·Filed 1994·Granted Mar 19, 1996·15 cites·5 claims
- 2651US5552940AMethod and apparatus for digital signal recording and/or reproductionHITACHI LTD·Filed 1995·Granted Sep 3, 1996·11 cites·36 claims
- 2748US4698811AMethod and apparatus for generating error correction codes for digitized picture signal recording/reproducingHITACHI LTD·Filed 1985·Granted Oct 6, 1987·9 cites·10 claims
- 2844US4652942AMethod and system for converting binary data using bit-divided encodingHITACHI LTD·Filed 1985·Granted Mar 24, 1987·7 cites·8 claims
- 2943US3973079ATwo-level picture signal transmission systemHITACHI LTD·Filed 1974·Granted Aug 3, 1976·4 cites·8 claims
- 3042US4046455AIrregular ferroelectric element devised for motion of plural domain-wallsHITACHI LTD·Filed 1975·Granted Sep 6, 1977·5 cites·4 claims
- 3142US3936146AIrregular ferroelectric element for controllable single domainHITACHI LTD·Filed 1970·Granted Feb 3, 1976·5 cites·19 claims
- 3239US4983965ADemodulation apparatusHITACHI LTD·Filed 1989·Granted Jan 8, 1991·5 cites·6 claims
- 3334US4088391AIrregular ferroelectric element devised for single domain-wall motionHITACHI LTD·Filed 1975·Granted May 9, 1978·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →