Inventor · disambiguated record
Hiroyasu Ohtsubo
Also filed as: OHTSUBO HIROYASU
24 granted patents·2 pending applications·544 citations·filing 1986–2006
97Inventor score
Top patents by PatentIndex Score
26 records- 0192US6509931B1Resolution conversion unit and apparatus having resolution conversion unitHITACHI LTD·Filed 2000·Granted Jan 21, 2003·56 cites·15 claims
- 0284US4736241AWhite balance adjusting device of color video cameraHITACHI LTD·Filed 1986·Granted Apr 5, 1988·46 cites·20 claims
- 0383US5625413AVideo camera with a function to correct defective pixels of solid state image pickup device and method of correcting defective pixels of solid state imageHITACHI LTD·Filed 1995·Granted Apr 29, 1997·73 cites·15 claims
- 0482US7289563B2Security camera systemHITACHI LTD·Filed 2003·Granted Oct 30, 2007·22 cites·8 claims
- 0582US5796430AVideo camera with a function to correct defective pixels of solid state image pickup device and method of correcting defective pixels of solid state image pickup deviceHITACHI LTD·Filed 1997·Granted Aug 18, 1998·67 cites·10 claims
- 0675US5170249ADigital signal processing apparatus having devices for delaying and combining color signalsHITACHI LTD·Filed 1990·Granted Dec 8, 1992·41 cites·7 claims
- 0773US4926361ADigital noise reducerHITACHI LTD·Filed 1988·Granted May 15, 1990·29 cites·16 claims
- 0871US4855812APicture synthesizing apparatus with gain control systemHITACHI LTD·Filed 1987·Granted Aug 8, 1989·24 cites·12 claims
- 0970US7110451B2Bitstream transcoderHITACHI LTD·Filed 2002·Granted Sep 19, 2006·9 cites·3 claims
- 1070US4984083AImage processing systemHITACHI LTD·Filed 1989·Granted Jan 8, 1991·23 cites·3 claims
- 1163US7088240B2Surveillance system with surveillance terminals and surveillance centerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 8, 2006·11 cites·5 claims
- 1262US5060087AEditing circuit for a magnetic recording and reproducing apparatusHITACHI LTD·Filed 1989·Granted Oct 22, 1991·12 cites·4 claims
- 1360US5512945AStill picture recording digital camera which outputs a dynamic picture when incident light is limited and outputs a still picture when incident light is interruptedHITACHI LTD·Filed 1993·Granted Apr 30, 1996·14 cites·38 claims
- 1460US5287171AJitter processing circuit for digital camera processingHITACHI LTD·Filed 1991·Granted Feb 15, 1994·17 cites·3 claims
- 1559US7535348B2Surveillance system with surveillance terminals and surveillance centerHITACHI LTD·Filed 2006·Granted May 19, 2009·1 cites·3 claims
- 1657US5043802AFrame still pictures with no double imagesHITACHI LTD·Filed 1990·Granted Aug 27, 1991·18 cites·4 claims
- 1755US5404165AApparatus and method for processing signals of an imaging deviceHITACHI LTD·Filed 1993·Granted Apr 4, 1995·14 cites·13 claims
- 1853US5063437AMethod and apparatus for processing a color video signalHITACHI LTD·Filed 1989·Granted Nov 5, 1991·12 cites·24 claims
- 1952US5726707ASignal reading and processing arrangement of still picture recording apparatusHITACHI LTD·Filed 1995·Granted Mar 10, 1998·12 cites·7 claims
- 2051US5430499AApparatus for correcting vertical aperture of an imageHITACHI LTD·Filed 1993·Granted Jul 4, 1995·13 cites·26 claims
- 2148US5510835AVideo camera having a solid-type image sensorHITACHI LTD·Filed 1992·Granted Apr 23, 1996·11 cites·5 claims
- 2246US5990946ASignal reading and processing arrangement of still picture recording apparatusHITACHI LTD·Filed 1997·Granted Nov 23, 1999·8 cites·23 claims
- 2342US6128036AStill picture recording digital camera with output unit having delay unit and memoryHITACHI LTD·Filed 1999·Granted Oct 3, 2000·6 cites·8 claims
- 2441US2002187791A1Security system and security apparatusHITACHI LTD·Filed 2001·Application pending·0 cites
- 2539US5483290AVideo camera apparatus including programmable timing generation circuitHITACHI LTD·Filed 1993·Granted Jan 9, 1996·5 cites·10 claims
- 2639US2002116342A1Domestic electrical apparatus, subscriber registering method, order receiving method, and data processing systemFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →