Inventor · disambiguated record
Toshikazu Maekawa
Also filed as: MAEKAWA TOSHIKAZU
58 granted patents·4 pending applications·2,152 citations·filing 1983–2015
99Inventor score
Top patents by PatentIndex Score
62 records- 0197US7432906B2Timing generation circuit for display apparatus and display apparatus incorporating the sameSONY CORP·Filed 2005·Granted Oct 7, 2008·26 cites·5 claims
- 0294US6664943B1Digital/analog converter circuit, level shift circuit, shift register utilizing level shift circuit, sampling latch circuit, latch circuit and liquid crystal display device incorporating the sameSONY CORP·Filed 1999·Granted Dec 16, 2003·106 cites·50 claims
- 0392US6894674B2Timing generation circuit for display apparatus and display apparatus incorporating the sameSONY CORP·Filed 2001·Granted May 17, 2005·43 cites·15 claims
- 0492US6512505B1Liquid crystal display apparatus, its driving method and liquid crystal display systemSONY CORP·Filed 2000·Granted Jan 28, 2003·49 cites·6 claims
- 0592US6313819B1Liquid crystal display deviceSONY CORP·Filed 1998·Granted Nov 6, 2001·119 cites·13 claims
- 0692US5686936AActive matrix display device and method thereforSONY CORP·Filed 1995·Granted Nov 11, 1997·115 cites·11 claims
- 0791US6759628B1Laser annealing apparatusSONY CORP·Filed 2000·Granted Jul 6, 2004·63 cites·6 claims
- 0890US6424328B1Liquid-crystal display apparatusSONY CORP·Filed 1999·Granted Jul 23, 2002·104 cites·17 claims
- 0989US6459395B1Digital-to-analog converter and display unit with such digital-to-analog converterSONY CORP·Filed 2000·Granted Oct 1, 2002·40 cites·30 claims
- 1088US6509894B1Power generator circuit, generating method thereof, and liquid crystal display deviceSONY CORP·Filed 2000·Granted Jan 21, 2003·35 cites·17 claims
- 1188US5377030AMethod for testing active matrix liquid crystal by measuring voltage due to charge in a supplemental capacitorSONY CORP·Filed 1993·Granted Dec 27, 1994·103 cites·22 claims
- 1288US5166671ALIquid crystal display deviceSONY CORP·Filed 1990·Granted Nov 24, 1992·73 cites·7 claims
- 1386US6181314B1Liquid crystal display deviceSONY CORP·Filed 1998·Granted Jan 30, 2001·77 cites·15 claims
- 1486US5959600AActive matrix display deviceSONY CORP·Filed 1996·Granted Sep 28, 1999·77 cites·17 claims
- 1585US6275210B1Liquid crystal display device and driver circuit thereofSONY CORP·Filed 1998·Granted Aug 14, 2001·74 cites·9 claims
- 1685US5646642ACircuit for converting level of low-amplitude inputSONY CORP·Filed 1995·Granted Jul 8, 1997·65 cites·20 claims
- 1785US5140391AThin film MOS transistor having pair of gate electrodes opposing across semiconductor layerSONY CORP·Filed 1990·Granted Aug 18, 1992·68 cites·20 claims
- 1884US8031188B2Digital/analog converter circuit, level shift circuit, shift register utilizing level shift circuit, sampling latch circuit, and liquid crystal display device incorporating the sameSONY CORP·Filed 2008·Granted Oct 4, 2011·9 cites·33 claims
- 1984US6602744B1Process for fabricating thin film semiconductor deviceSONY CORP·Filed 1997·Granted Aug 5, 2003·75 cites·12 claims
- 2083US6791539B2Display, method for driving the same, and portable terminalSONY CORP·Filed 2001·Granted Sep 14, 2004·25 cites·20 claims
- 2182US5818412AHorizontal driver circuit with fixed pattern eliminating functionSONY CORP·Filed 1994·Granted Oct 6, 1998·58 cites·21 claims
- 2282US5708455AActive matrix display deviceSONY CORP·Filed 1996·Granted Jan 13, 1998·50 cites·10 claims
- 2381US6157358ALiquid crystal displaySONY CORP·Filed 1998·Granted Dec 5, 2000·59 cites·16 claims
- 2481US5748026ACircuit for converting level of low-amplitude inputSONY CORP·Filed 1997·Granted May 5, 1998·33 cites·10 claims
- 2581US5128974AShift register apparatus with improved clock supplySONY CORP·Filed 1990·Granted Jul 7, 1992·47 cites·9 claims
- 2680US7864170B2Liquid crystal display device, method of controlling the same, and mobile terminalSONY CORP·Filed 2007·Granted Jan 4, 2011·3 cites·7 claims
- 2779US4972252APhotosensor with a capacitor connected in parallel so as to increase the dynamic range and to improve the holding characteristics of the photosensorSONY CORP·Filed 1989·Granted Nov 20, 1990·35 cites·3 claims
- 2878US7400320B2Digital/analog converter circuit, level shift circuit, shift register utilizing level shift circuit, sampling latch circuit, latch circuit and liquid crystal display device incorporating the sameSONY CORP·Filed 2003·Granted Jul 15, 2008·13 cites·33 claims
- 2978US5894296ABidirectional signal transmission network and bidirectional signal transfer shift registerSONY CORP·Filed 1997·Granted Apr 13, 1999·43 cites·8 claims
- 3077US6256024B1Liquid crystal display deviceSONY CORP·Filed 1998·Granted Jul 3, 2001·50 cites·12 claims
- 3177US5764207AActive matrix display device and its driving methodSONY CORP·Filed 1995·Granted Jun 9, 1998·49 cites·10 claims
- 3275US7405720B2Analog buffer circuit, display device and portable terminalSONY CORP·Filed 2003·Granted Jul 29, 2008·14 cites·5 claims
- 3374US7209132B2Liquid crystal display device, method of controlling the same, and mobile terminalSONY CORP·Filed 2003·Granted Apr 24, 2007·10 cites·10 claims
- 3473US4538288AShift register circuit with multiple, tapped outputs having pull-down transistorsSONY CORP·Filed 1983·Granted Aug 27, 1985·21 cites·5 claims
- 3570US9063613B2Image pickup device, display-and-image-pickup device, electronic apparatus and method of detecting an objectHARADA TSUTOMU·Filed 2009·Granted Jun 23, 2015·2 cites·26 claims
- 3670US5936617ADisplay apparatusSONY CORP·Filed 1996·Granted Aug 10, 1999·39 cites·9 claims
- 3769US5903014ASemiconductor device for driving a substrate of an electro-optical deviceSONY CORP·Filed 1996·Granted May 11, 1999·33 cites·12 claims
- 3867US5850204ALiquid crystal display deviceSONY CORP·Filed 1996·Granted Dec 15, 1998·27 cites·12 claims
- 3967US5237212ALevel converting circuitSONY CORP·Filed 1992·Granted Aug 17, 1993·19 cites·14 claims
- 4066US5448384AActive matrix liquid crystal display device having discharge elements connected between input terminals and common terminalSONY CORP·Filed 1993·Granted Sep 5, 1995·30 cites·7 claims
- 4165US6630920B1Pel drive circuit, combination pel-drive-circuit/pel-integrated device, and liquid crystal display deviceSONY CORP·Filed 1999·Granted Oct 7, 2003·27 cites·6 claims
- 4263US7126574B2Liquid crystal display apparatus, its driving method and liquid crystal display systemSONY CORP·Filed 2002·Granted Oct 24, 2006·7 cites·8 claims
- 4363US6392627B1Liquid crystal display device and driver circuit thereofSONY CORP·Filed 1999·Granted May 21, 2002·26 cites·10 claims
- 4462US6356253B2Active-matrix display device and method for driving the display device to reduce cross talkSONY CORP·Filed 1997·Granted Mar 12, 2002·25 cites·7 claims
- 4561US7250941B2Timing generation circuit, display apparatus, and portable terminalSONY CORP·Filed 2003·Granted Jul 31, 2007·5 cites·6 claims
- 4661US6985128B1Liquid crystal display panel and production method of the same, and liquid crystal display apparatusSONY CORP·Filed 2000·Granted Jan 10, 2006·8 cites·2 claims
- 4760US7932901B2Timing generating circuit, display apparatus, and portable terminalSONY CORP·Filed 2007·Granted Apr 26, 2011·0 cites·6 claims
- 4859US7796126B2Liquid crystal display device, method of controlling the same, and mobile terminalSONY CORP·Filed 2007·Granted Sep 14, 2010·0 cites·7 claims
- 4957US7368945B2Logic circuit, timing generation circuit, display device, and portable terminalSONY CORP·Filed 2006·Granted May 6, 2008·0 cites·8 claims
- 5057US5276365AOutput buffer circuit with two level shifts and biasSONY CORP·Filed 1992·Granted Jan 4, 1994·20 cites·8 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →