Inventor · disambiguated record
Yoshihiko Hirai
Also filed as: HIRAI YOSHIHIKO
68 granted patents·6 pending applications·2,544 citations·filing 1982–2019
99Inventor score
Files withNEC CORP37MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23NEC LCD TECHNOLOGIES LTD3SHINETSU CHEMICAL CO3DAICEL CORP1
Top patents by PatentIndex Score
74 records- 0198US6469765B1Liquid crystal display and method of performing display operationNEC CORP·Filed 2000·Granted Oct 22, 2002·179 cites·25 claims
- 0297US6504592B1Liquid crystal display and method of manufacturing the same and method of driving the sameNEC CORP·Filed 2000·Granted Jan 7, 2003·90 cites·47 claims
- 0397US4550982AAll-solid-state display including an organic electrochromic layer with ion donor/acceptorNIPPON ELECTRIC CO·Filed 1982·Granted Nov 5, 1985·155 cites·76 claims
- 0495US5739544AQuantization functional device utilizing a resonance tunneling effect and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 14, 1998·139 cites·18 claims
- 0594US6812986B2Liquid crystal display and method of manufacturing the same and method of driving the sameNEC CORP·Filed 2002·Granted Nov 2, 2004·48 cites·25 claims
- 0692US6256082B1Liquid crystal display with a liquid crystal orientation controlling electrode and processes for manufacturing and driving thereofNEC CORP·Filed 1998·Granted Jul 3, 2001·114 cites·16 claims
- 0792US6069678ALiquid crystal display device with data line electric field shield utilizing common electrodeNEC CORP·Filed 1997·Granted May 30, 2000·128 cites·16 claims
- 0892US5543351AMethod of producing electrically insulated silicon structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 6, 1996·86 cites·16 claims
- 0992US5117298AActive matrix liquid crystal display with reduced flickersNEC CORP·Filed 1989·Granted May 26, 1992·94 cites·11 claims
- 1091US6650390B2Liquid crystal display panel having floating pixel electrodeNEC LCD TECHNOLOGIES INC·Filed 2001·Granted Nov 18, 2003·48 cites·15 claims
- 1191US5781262ALiquid crystal display cellNEC CORP·Filed 1995·Granted Jul 14, 1998·102 cites·42 claims
- 1291US4838654ALiquid crystal display device having display and driver sections on a single boardNEC CORP·Filed 1987·Granted Jun 13, 1989·152 cites·5 claims
- 1390US6015978AResonance tunnel deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jan 18, 2000·92 cites·2 claims
- 1489US7245343B2Liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2001·Granted Jul 17, 2007·39 cites·19 claims
- 1589US6842207B2Active matrix liquid crystal display panelNEC CORP·Filed 1997·Granted Jan 11, 2005·76 cites·4 claims
- 1689US5995172ATablet integrated liquid crystal display apparatus with less parallaxNEC CORP·Filed 1997·Granted Nov 30, 1999·82 cites·16 claims
- 1788US7212270B2Liquid crystal display and method of manufacturing the same and method of driving the sameNEC CORP·Filed 2004·Granted May 1, 2007·23 cites·11 claims
- 1888US6466293B1Liquid crystal display with a liquid crystal orientation controlling electrode and processes for manufacturing and driving thereofNEC CORP·Filed 2000·Granted Oct 15, 2002·31 cites·22 claims
- 1987US6081315ALiquid crystal display apparatusNEC CORP·Filed 1999·Granted Jun 27, 2000·85 cites·3 claims
- 2085US7405785B2Transverse electric field active matrix liquid crystal display panel having particular optical compensation layerNEC CORP·Filed 2006·Granted Jul 29, 2008·6 cites·3 claims
- 2184US7612848B2Liquid crystal display and method of manufacturing the same and method of driving the sameNEC CORP·Filed 2007·Granted Nov 3, 2009·5 cites·28 claims
- 2284US6323922B1Liquid crystal display cellNEC CORP·Filed 2000·Granted Nov 27, 2001·23 cites·4 claims
- 2383US5504604ALiquid crystal display elements with opposite twist domains aligned in the same direction on one substrateNEC CORP·Filed 1994·Granted Apr 2, 1996·64 cites·14 claims
- 2482US6714271B1Liquid crystal display having an in a pixel electrode along a boundary of differently oriented regionsNEC CORP·Filed 2000·Granted Mar 30, 2004·25 cites·7 claims
- 2581US5347140AResonant electron transfer deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 13, 1994·51 cites·6 claims
- 2679US6750934B2Active-matrix liquid crystal displayNEC LCD TECHNOLOGIES LTD·Filed 2000·Granted Jun 15, 2004·20 cites·16 claims
- 2779US5122889AActive matrix liquid crystal display using mim diodes having symmetrical voltage-current characteristics as switching elementsNEC CORP·Filed 1989·Granted Jun 16, 1992·49 cites·32 claims
- 2878US6987551B2In-plane switching liquid crystal display unit having tinting compensationNEC CORP·Filed 2003·Granted Jan 17, 2006·14 cites·17 claims
- 2976US6456352B1Liquid crystal display deviceNEC CORP·Filed 2000·Granted Sep 24, 2002·17 cites·8 claims
- 3075US7495734B2In-plane-switching liquid crystal display unitNEC CORP·Filed 2005·Granted Feb 24, 2009·3 cites·15 claims
- 3175US6768530B2Orientation division type liquid crystal display, fabrication method thereof and image display methodNEC CORP·Filed 2000·Granted Jul 27, 2004·14 cites·6 claims
- 3275US5244828AMethod of fabricating a quantum deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 14, 1993·59 cites·20 claims
- 3373US5296719AQuantum device and fabrication method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Mar 22, 1994·51 cites·9 claims
- 3472US6583839B2In-plane-switching liquid crystal display unit having tinting compensationNEC CORP·Filed 1997·Granted Jun 24, 2003·32 cites·9 claims
- 3571US6473140B1Active matrix liquid crystal displayNEC CORP·Filed 2000·Granted Oct 29, 2002·11 cites·3 claims
- 3670US7139054B2Active matrix liquid crystal display panel having particular optical compensation layerNEC CORP·Filed 2005·Granted Nov 21, 2006·2 cites·5 claims
- 3770US6927822B2Orientation division type liquid crystal display, fabrication method thereof and image display methodNEC LCD TECHNOLOGIES·Filed 2004·Granted Aug 9, 2005·10 cites·1 claims
- 3869US6965419B2Active matrix liquid crystal display panelNEC CORP·Filed 2004·Granted Nov 15, 2005·8 cites·2 claims
- 3969US6515719B2Liquid crystal display apparatus and manufacturing method for the sameNEC CORP·Filed 2001·Granted Feb 4, 2003·12 cites·87 claims
- 4069US4807974ALiquid crystal display having a decoder between a driver and scan electrodesNEC CORP·Filed 1986·Granted Feb 28, 1989·26 cites·4 claims
- 4168US7787078B2LCD device suppressing a parallax problemNEC LCD TECHNOLOGIES LTD·Filed 2005·Granted Aug 31, 2010·4 cites·23 claims
- 4268US7294571B2Concave pattern formation method and method for forming semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Nov 13, 2007·3 cites·10 claims
- 4368US5972744AQuantum effect device, method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 26, 1999·28 cites·6 claims
- 4468US5486706AQuantization functional device utilizing a resonance tunneling effect and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 23, 1996·21 cites·11 claims
- 4567US8049848B2Liquid crystal display and method of manufacturing the same and method of driving the sameNEC CORP·Filed 2009·Granted Nov 1, 2011·1 cites·2 claims
- 4665US7291554B2Method for forming semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Nov 6, 2007·3 cites·40 claims
- 4764US6300996B1Liquid crystal display apparatusNEC COPORATION·Filed 1999·Granted Oct 9, 2001·32 cites·8 claims
- 4861US6081314ALiquid crystal display cellNEC CORP·Filed 1998·Granted Jun 27, 2000·22 cites·9 claims
- 4960US5405454AElectrically insulated silicon structure and producing method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 11, 1995·17 cites·15 claims
- 5059US6069675AActive matrix liquid crystal displayNEC CORP·Filed 1997·Granted May 30, 2000·22 cites·7 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →