Inventor · disambiguated record
Haruo Isaka
Also filed as: ISAKA HARUO
30 granted patents·1 pending application·272 citations·filing 1986–2012
97Inventor score
Top patents by PatentIndex Score
31 records- 0191US4785441ATracking error correction apparatus utilizing phase difference information derived from four photocellsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Nov 15, 1988·46 cites·10 claims
- 0289US8970675B2Image capture device, player, system, and image processing methodPANASONIC CORP·Filed 2012·Granted Mar 3, 2015·9 cites·12 claims
- 0381US5432646AApparatus for recording video signals and index signals on tracks of a magnetic tapeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 11, 1995·31 cites·6 claims
- 0479US4740940AOptical information read apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Apr 26, 1988·23 cites·28 claims
- 0573US8422876B2Interchangeable lens and camera systemISAKA HARUO·Filed 2012·Granted Apr 16, 2013·2 cites·8 claims
- 0673US7130147B2Magnetic recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 31, 2006·2 cites·2 claims
- 0772US5258879ATracking error detection circuit of magnetic recording and reproduction apparatus for determining tracking error based on pilot signals recorded on a recording meediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Nov 2, 1993·20 cites·12 claims
- 0869US8275251B2Interchangeable lens, camera body, and camera systemISAKA HARUO·Filed 2009·Granted Sep 25, 2012·2 cites·10 claims
- 0968US7486308B1Image switching device and image outputting devicesPANASONIC CORP·Filed 2000·Granted Feb 3, 2009·15 cites·7 claims
- 1061US8654228B2Imaging apparatus, camera body and interchangeable lensISAKA HARUO·Filed 2011·Granted Feb 18, 2014·1 cites·11 claims
- 1159US5343338ATape drive apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Aug 30, 1994·11 cites·8 claims
- 1258US5510938ATracking control apparatus which uses pilot signals to control a capstanMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 23, 1996·11 cites·1 claims
- 1357US5546248AReproducing apparatus that performs tracking control and phase control for a signal recorded in plural tracks of a tape mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Aug 13, 1996·11 cites·6 claims
- 1455US5754356ATracking error detector with comparison of amplitude detected pilot signals leaking in from tracks adjacent to the target trackMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 19, 1998·12 cites·2 claims
- 1554US5490017ASignal reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 6, 1996·9 cites·14 claims
- 1651US5432655AMultiple channel magnetic recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jul 11, 1995·8 cites·4 claims
- 1746US5953482AMagnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing headsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 14, 1999·7 cites·5 claims
- 1845US5313338AEditing device which selectively edits a section of a helical trackMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted May 17, 1994·6 cites·8 claims
- 1945US4989196AOptical information recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jan 29, 1991·6 cites·4 claims
- 2042US6266479B1Video signal recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 24, 2001·9 cites·19 claims
- 2142US5477398AApparatus for editing data in a selected area on a track of a tape recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 19, 1995·5 cites·9 claims
- 2241US6804072B1Recording head clogging detection method and its deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 12, 2004·7 cites·9 claims
- 2340US6424483B1Control system of tape travel for a magnetic recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jul 23, 2002·5 cites·2 claims
- 2440US2004109256A1Magnetic recording/reproducing apparatusFiled 2002·Application pending·0 cites
- 2538USRE39029EMagnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing headsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 21, 2006·0 cites·5 claims
- 2638US5455719AData recording method in which pilot signal period coincides with cumulative bit disparities of insert dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 3, 1995·3 cites·20 claims
- 2737US5594602ATracking error detecting circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 14, 1997·3 cites·9 claims
- 2837US5371604AApparatus for edit recording of a compressed digital video signal on a recording tapeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 6, 1994·3 cites·10 claims
- 2934US5469304ATape medium recording and/or reproducing apparatus capable of minimizing deviation of recording positionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 21, 1995·2 cites·10 claims
- 3034US5115422AInformation reproducing apparatus for detecting a reproduced area on a discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 19, 1992·2 cites·5 claims
- 3132US5793925ARecording method and apparatus for control trackMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 11, 1998·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →