Inventor · disambiguated record
Katsumi Matsumoto
Also filed as: MATSUMOTO KATSUMI
51 granted patents·16 pending applications·895 citations·filing 1978–2015
98Inventor score
Top patents by PatentIndex Score
67 records- 0194US6232939B1Liquid crystal display apparatus including scanning circuit having bidirectional shift register stagesHITACHI LTD·Filed 1998·Granted May 15, 2001·129 cites·24 claims
- 0293US6791521B2Liquid crystal display device having a gray-scale voltage selector circuitHITACHI LTD·Filed 2002·Granted Sep 14, 2004·54 cites·21 claims
- 0393US6081305ALiquid crystal light valve and projection type liquid crystal display using such valveHITACHI LTD·Filed 1996·Granted Jun 27, 2000·119 cites·8 claims
- 0492US4847696ASystem with a timer screen, for reserving the recording of TV programsTOSHIBA KK·Filed 1987·Granted Jul 11, 1989·143 cites·8 claims
- 0591US6373547B2Liquid crystal display device having pole spacers formed over optical shield filmHITACHI LTD·Filed 2001·Granted Apr 16, 2002·48 cites·8 claims
- 0690US6304308B1Liquid crystal display device with optical shield filmHITACHI LTD·Filed 1999·Granted Oct 16, 2001·101 cites·7 claims
- 0789US7042430B2Liquid crystal display device having stabilized drive circuitHITACHI DEVICE ENG·Filed 2003·Granted May 9, 2006·34 cites·6 claims
- 0888US6501456B1Liquid crystal display apparatus including scanning circuit having bidirectional shift register stagesHITACHI LTD·Filed 2000·Granted Dec 31, 2002·34 cites·8 claims
- 0986US6784956B2Reflective type liquid crystal display deviceHITACHI LTD·Filed 2001·Granted Aug 31, 2004·37 cites·5 claims
- 1083US8049702B2Low power display deviceHITACHI DISPLAYS LTD·Filed 2006·Granted Nov 1, 2011·6 cites·6 claims
- 1182US7948461B2Image display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted May 24, 2011·5 cites·7 claims
- 1280US9235047B2MEMS display pixel control circuits and methodsMIYAMOTO MITSUHIDE·Filed 2012·Granted Jan 12, 2016·4 cites·17 claims
- 1380US8013827B2Image display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Sep 6, 2011·4 cites·10 claims
- 1477US6961041B2Liquid crystal display device having a low-voltage driving circuitHITACHI DEVICE ENG·Filed 2002·Granted Nov 1, 2005·19 cites·6 claims
- 1576US8599462B2Display deviceMORITA TAKEOMI·Filed 2012·Granted Dec 3, 2013·4 cites·15 claims
- 1675US8164093B2Display deviceANDO NAOHISA·Filed 2009·Granted Apr 24, 2012·4 cites·9 claims
- 1773US8384704B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2009·Granted Feb 26, 2013·2 cites·9 claims
- 1873US7710412B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2006·Granted May 4, 2010·4 cites·3 claims
- 1973US7492340B2Liquid crystal display device having stabilized drive circuitHITACHI LTD·Filed 2006·Granted Feb 17, 2009·2 cites·3 claims
- 2071US6952246B2Reflective type liquid crystal display deviceHITACHI DEVICE ENG·Filed 2004·Granted Oct 4, 2005·13 cites·3 claims
- 2170US8212801B2Booster circuit and display deviceMIYAZAWA TOSHIO·Filed 2006·Granted Jul 3, 2012·2 cites·5 claims
- 2269US4228433AInformation display position-defining circuit for a cathode ray tubeTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Oct 14, 1980·11 cites·13 claims
- 2367US7567230B2Liquid crystal display device having a low-voltage driving circuitHITACHI LTD·Filed 2005·Granted Jul 28, 2009·2 cites·4 claims
- 2465US5280511AOutput circuit for a CCD with cascode depletion MOSFET loads and a feedback capacitorHITACHI LTD·Filed 1992·Granted Jan 18, 1994·24 cites·3 claims
- 2564US7652728B2Liquid crystal display device comprising a first conductive film surrounding reflective electrodes and a second conductive film surrounding the first conductive film and projector having the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Jan 26, 2010·2 cites·12 claims
- 2664US4649442AAutomatic program selector of a video tape recorderTOSHIBA KK·Filed 1986·Granted Mar 10, 1987·14 cites·5 claims
- 2760US9239487B2Display devicePIXTRONIX INC·Filed 2013·Granted Jan 19, 2016·0 cites·15 claims
- 2860US8941909B2Display deviceMORITA TAKEOMI·Filed 2012·Granted Jan 27, 2015·1 cites·15 claims
- 2960US7164403B2Liquid crystal display device having a gray-scale voltage selector circuitHITACHI DEVICE ENG·Filed 2004·Granted Jan 16, 2007·5 cites·12 claims
- 3058US5877105AAlumina-zirconia sintered body, production thereof, and impact grinder using said alumina-zirconia sintered bodyHITACHI CHEMICAL CO LTD·Filed 1997·Granted Mar 2, 1999·14 cites·17 claims
- 3155US5950937AAlumina-zirconia sintered body, production thereof, and impact grinder using said alumina-zirconia sintered bodyHITACHI CHEMICAL CO LTD·Filed 1998·Granted Sep 14, 1999·12 cites·10 claims
- 3254US8203518B2Display deviceYASUDA KOZO·Filed 2009·Granted Jun 19, 2012·0 cites·5 claims
- 3353US6308549B1Apparatus and method for forming spirally wound stator core or rotary electric machineDENSO CORP·Filed 1999·Granted Oct 30, 2001·22 cites·9 claims
- 3453US2009213060A1Display deviceHITACHI DISPLAYS LTD·Filed 2009·Application pending·0 cites
- 3553US2009256792A1Display DeviceHITACHI DISPLAYS LTD·Filed 2009·Application pending·0 cites
- 3652US7839373B2Display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Nov 23, 2010·0 cites·11 claims
- 3752US7490365B2Swimming gogglesYAMAMOTO KOGAKU·Filed 2003·Granted Feb 17, 2009·4 cites·13 claims
- 3852US7274625B1Display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Sep 25, 2007·0 cites·9 claims
- 3950US7773957B2Mobile communication terminal with rotational display unitSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Aug 10, 2010·1 cites·13 claims
- 4050US2009103037A1Display DeviceABE HIROYUKI·Filed 2008·Application pending·0 cites
- 4149US8169393B2Display deviceYASUDA KOZO·Filed 2008·Granted May 1, 2012·0 cites·15 claims
- 4249US8102353B2Display deviceMATSUMOTO KATSUMI·Filed 2007·Granted Jan 24, 2012·0 cites·8 claims
- 4349US8059081B2Display deviceYASUDA KOZO·Filed 2007·Granted Nov 15, 2011·0 cites·10 claims
- 4449US2007188433A1Display deviceHITACHI DISPLAYS LTD·Filed 2006·Application pending·0 cites
- 4548US2015356930A1Pixel circuit and display device equipped therewithPIXTRONIX INC·Filed 2014·Application pending·0 cites
- 4647US2016005361A1Display devicePIXTRONIX INC·Filed 2014·Application pending·0 cites
- 4746US9134529B2Display device with tapered light reflecting layer and manufacturing method for sameSONODA DAISUKE·Filed 2012·Granted Sep 15, 2015·0 cites·16 claims
- 4846US9128286B2Display device and method for manufacturing the display deviceTAKAHASHI KOUHEI·Filed 2012·Granted Sep 8, 2015·0 cites·11 claims
- 4945US8222645B2Display deviceMATSUMOTO KATSUMI·Filed 2010·Granted Jul 17, 2012·0 cites·9 claims
- 5044US8124980B2Display deviceSAKAI TAKASHI·Filed 2008·Granted Feb 28, 2012·0 cites·9 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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