Inventor · disambiguated record
Masaaki Kitajima
Also filed as: KITAJIMA MASAAKI
42 granted patents·1,602 citations·filing 1979–2013
99Inventor score
Top patents by PatentIndex Score
42 records- 0197US6756958B2Liquid crystal display deviceHITACHI LTD·Filed 2001·Granted Jun 29, 2004·148 cites·21 claims
- 0296US5786876AActive matrix type liquid crystal display systemHITACHI LTD·Filed 1994·Granted Jul 28, 1998·146 cites·39 claims
- 0395US5091722AGray scale displayHITACHI LTD·Filed 1988·Granted Feb 25, 1992·133 cites·40 claims
- 0494US4317115ADriving device for matrix-type display panel using guest-host type phase transition liquid crystalHITACHI LTD·Filed 1979·Granted Feb 23, 1982·82 cites·5 claims
- 0591US5561440ALiquid crystal display device and driving method thereforHITACHI LTD·Filed 1991·Granted Oct 1, 1996·85 cites·29 claims
- 0688US8879027B2Liquid crystal display deviceISHII MASATO·Filed 2012·Granted Nov 4, 2014·7 cites·6 claims
- 0787US6542141B1Liquid-crystal halftone display systemHITACHI LTD·Filed 2000·Granted Apr 1, 2003·32 cites·5 claims
- 0887US5886761AProcess for producing actively addressing substrate, and liquid crystal displayHITACHI LTD·Filed 1995·Granted Mar 23, 1999·74 cites·10 claims
- 0987US5519523ALiquid crystal display device with residual retardation compensated for in liquid crystal layerHITACHI LTD·Filed 1992·Granted May 21, 1996·80 cites·30 claims
- 1084US6064358ALiquid crystal display device and driving method thereforHITACHI LTD·Filed 1996·Granted May 16, 2000·63 cites·37 claims
- 1184US5751381AActive matrix LCD device with image signal lines having a multilayered structureHITACHI LTD·Filed 1994·Granted May 12, 1998·52 cites·17 claims
- 1282US6331845B1Liquid crystal display device and driving method thereforHITACHI LTD·Filed 1999·Granted Dec 18, 2001·54 cites·14 claims
- 1382US5021774AMethod and circuit for scanning capacitive loadsHITACHI LTD·Filed 1990·Granted Jun 4, 1991·64 cites·12 claims
- 1482US4736137AMatrix display deviceHITACHI LTD·Filed 1987·Granted Apr 5, 1988·46 cites·2 claims
- 1578US6980273B2Active matrix type liquid crystal systemHITACHI LTD·Filed 2002·Granted Dec 27, 2005·13 cites·3 claims
- 1678US5477355AProcess for producing the passivation layer of an active matrix substrate by back exposureHITACHI LTD·Filed 1993·Granted Dec 19, 1995·57 cites·23 claims
- 1778US4733370AInformation holding deviceHITACHI LTD·Filed 1987·Granted Mar 22, 1988·35 cites·10 claims
- 1877US4400059ALiquid crystal display deviceHITACHI LTD·Filed 1981·Granted Aug 23, 1983·11 cites·6 claims
- 1976US6812911B2Liquid crystal display deviceHITACHI LTD·Filed 2001·Granted Nov 2, 2004·14 cites·19 claims
- 2076US6563561B1Active matrix type liquid crystal systemHITACHI LTD·Filed 2000·Granted May 13, 2003·12 cites·4 claims
- 2176US6072451ALiquid-crystal halftone display systemHITACHI LTD·Filed 1992·Granted Jun 6, 2000·40 cites·17 claims
- 2275US9267849B2Display device with temperature sensorPANASONIC LIQUID CRYSTAL DISPL·Filed 2013·Granted Feb 23, 2016·3 cites·6 claims
- 2375US6369805B1Information processing systemHITACHI LTD·Filed 2000·Granted Apr 9, 2002·18 cites·2 claims
- 2475US5337070ADisplay and the method of driving the sameHITACHI LTD·Filed 1992·Granted Aug 9, 1994·44 cites·30 claims
- 2570US7355575B1Matrix panel display apparatus and driving method therefor wherein auxiliary signals are applied to non-selected picture elementsHITACHI LTD·Filed 1997·Granted Apr 8, 2008·43 cites·16 claims
- 2669US5638088AMethod of driving STN liquid crystal panel and apparatus thereforHITACHI LTD·Filed 1994·Granted Jun 10, 1997·24 cites·7 claims
- 2766US6862066B2Display device with capacitor formed in a region of the substrate where the drive circuit is mountedHITACHI LTD·Filed 2002·Granted Mar 1, 2005·10 cites·8 claims
- 2866US6040886AActive matrix type LCD with two shield electrodesHITACHI LTD·Filed 1998·Granted Mar 21, 2000·25 cites·1 claims
- 2961US5475396ADisplay systemHITACHI LTD·Filed 1994·Granted Dec 12, 1995·24 cites·33 claims
- 3061US4395709ADriving device and method for matrix-type display panel using guest-host type phase transition liquid crystalHITACHI LTD·Filed 1981·Granted Jul 26, 1983·17 cites·6 claims
- 3157US5864335AInformation processing systemHITACHI LTD·Filed 1997·Granted Jan 26, 1999·26 cites·19 claims
- 3255US7292212B2Liquid crystal display deviceHITACHI LTD·Filed 2004·Granted Nov 6, 2007·3 cites·6 claims
- 3352US5301047ALiquid crystal displayHITACHI LTD·Filed 1993·Granted Apr 5, 1994·16 cites·14 claims
- 3449US5633659ADisplay unit having a coordinate input mechanismHITACHI LTD·Filed 1994·Granted May 27, 1997·21 cites·35 claims
- 3548US6081260AInformation processing systemHITACHI LTD·Filed 1998·Granted Jun 27, 2000·17 cites·5 claims
- 3648US5684505ADisplay device integrated with an input deviceHITACHI LTD·Filed 1995·Granted Nov 4, 1997·22 cites·35 claims
- 3748US4719457AInformation input/output display deviceHITACHI LTD·Filed 1985·Granted Jan 12, 1988·11 cites·16 claims
- 3846USRE39798EActive matrix LCD device with image signal lines having a multilayered structureHITACHI LTD·Filed 2002·Granted Aug 28, 2007·2 cites·32 claims
- 3944US5828431AReflective-type display device having a refractive index ratio between light scatterers and host between 1 and 1.8HITACHI LTD·Filed 1995·Granted Oct 27, 1998·12 cites·22 claims
- 4043US5977943AMethod of driving STN liquid crystal panel and apparatus thereforHITACHI LTD·Filed 1997·Granted Nov 2, 1999·7 cites·19 claims
- 4138US5677705ADrive method for driving a matrix-addressing display, a drive circuit therefor, and a matrix-addressing display deviceHITACHI LTD·Filed 1994·Granted Oct 14, 1997·7 cites·10 claims
- 4233US6559823B1Method of driving STN liquid crystal panel and apparatus thereforHITACHI LTD·Filed 1999·Granted May 6, 2003·2 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →