Inventor · disambiguated record
Yukihiko Haikawa
Also filed as: HAIKAWA YUKIHIKO
23 granted patents·664 citations·filing 1982–1993
96Inventor score
Top patents by PatentIndex Score
23 records- 0197US5442598AInformation reproduction apparatus with control means for plural track kickback operationSHARP KK·Filed 1993·Granted Aug 15, 1995·157 cites·14 claims
- 0295US5677900AMethod and apparatus for replacing a selected file with another longer or shorter file with no portion of the selected file remainingSHARP KK·Filed 1991·Granted Oct 14, 1997·192 cites·7 claims
- 0393US5136394APicture search system for digital recording/reproducing apparatusSHARP KK·Filed 1990·Granted Aug 4, 1992·71 cites·20 claims
- 0490US5384674AImage recording/reproducing apparatus which displays images to be searchedSHARP KK·Filed 1992·Granted Jan 24, 1995·86 cites·18 claims
- 0574US5799197AInformation reproducing apparatus by which reading operation from recording medium is controlled based on amount of data in memorySHARP KK·Filed 1993·Granted Aug 25, 1998·23 cites·15 claims
- 0673US4504968AEqualizer apparatus having two dimensional displayALPS ELECTRIC CO LTD·Filed 1982·Granted Mar 12, 1985·21 cites·4 claims
- 0767US4727438AMultitrack magnetic recording and reproducing apparatus and method of controlling tracking of multitrack magnetic headsSHARP KK·Filed 1985·Granted Feb 23, 1988·13 cites·4 claims
- 0859US4903150AMultitrack magnetic recording and reproducing apparatus and method of controlling tracking of multitrack magnetic headsSHARP KK·Filed 1987·Granted Feb 20, 1990·11 cites·2 claims
- 0959US4604747AError correcting and controlling systemMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Aug 5, 1986·12 cites·19 claims
- 1058US5430703ATrack jump prediction control of memory modeSHARP KK·Filed 1993·Granted Jul 4, 1995·12 cites·5 claims
- 1150US4630143AMagnetic recording and reproducing deviceSHARP KK·Filed 1985·Granted Dec 16, 1986·7 cites·5 claims
- 1249US5099375AFour read and write heads on a drum arranged to prevent overlapping of tracing periodsSHARP KK·Filed 1990·Granted Mar 24, 1992·8 cites·5 claims
- 1344US4623941APCM type record-playback systemSHARP KK·Filed 1985·Granted Nov 18, 1986·6 cites·6 claims
- 1443US5155641AHelical scan magnetic tape recording apparatus for reforming read-after-write storage of manufacturing rotary head used thereinSHARP KK·Filed 1990·Granted Oct 13, 1992·8 cites·8 claims
- 1542US4752840AMultitrack magnetic recording and reproducing deviceSHARP KK·Filed 1987·Granted Jun 21, 1988·5 cites·2 claims
- 1640US4473803AElectronic volume control circuit for audio devicesALPS ELECTRIC CO LTD·Filed 1982·Granted Sep 25, 1984·5 cites·6 claims
- 1739US5138501AMagnetic recorder/reproducer for recording digital signal on a plurality of tracks of magnetic recording media and reproducing the sameSHARP KK·Filed 1990·Granted Aug 11, 1992·7 cites·22 claims
- 1838US5249065AStill picture recording apparatusSHARP KK·Filed 1989·Granted Sep 28, 1993·5 cites·17 claims
- 1938US5138500AMagnetic tape recording/reproducing device for recording digital acoustic and video signalsSHARP KK·Filed 1989·Granted Aug 11, 1992·4 cites·4 claims
- 2037US4907104ARotatable head type digital magnetic recording and reproducing device having a plurality of operating modesSHARP KK·Filed 1988·Granted Mar 6, 1990·3 cites·3 claims
- 2136US5392165AApparatus for recording audio and video signalsSHARP KK·Filed 1992·Granted Feb 21, 1995·5 cites·14 claims
- 2230US5173813AImage processing method and apparatusSHARP KK·Filed 1992·Granted Dec 22, 1992·2 cites·11 claims
- 2329US5361135AMagnetic tape recording and reproducing apparatus for digital signals of still pictures in the pal systemSHARP KK·Filed 1992·Granted Nov 1, 1994·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →