Inventor · disambiguated record
Shoichi Hirota
Also filed as: HIROTA SHOICHI
45 granted patents·11 pending applications·820 citations·filing 1996–2022
98Inventor score
Files withHITACHI DISPLAYS LTD21HITACHI LTD19JAPAN DISPLAY INC5HIROTA SHOICHI2HITACHI CHEMICAL CO LTD1
Top patents by PatentIndex Score
56 records- 0198US11347100B2Color display deviceJAPAN DISPLAY INC·Filed 2021·Granted May 31, 2022·4 cites·4 claims
- 0297US10551664B2Color display, liquid crystal display, and semi-transmissive liquid crystal displayJAPAN DISPLAY INC·Filed 2017·Granted Feb 4, 2020·8 cites·12 claims
- 0397US6556260B1Liquid crystal display apparatusHITACHI LTD·Filed 2000·Granted Apr 29, 2003·112 cites·21 claims
- 0496US11650450B2Color display deviceJAPAN DISPLAY INC·Filed 2022·Granted May 16, 2023·2 cites·5 claims
- 0595US8049841B2Wire grid polarized and liquid crystal display device using the sameHITACHI DISPLAYS LTD·Filed 2007·Granted Nov 1, 2011·21 cites·22 claims
- 0695US7710376B2Display and method of driving sameHITACHI DISPLAYS LTD·Filed 2006·Granted May 4, 2010·23 cites·15 claims
- 0794US10935834B2Color display deviceJAPAN DISPLAY INC·Filed 2019·Granted Mar 2, 2021·3 cites·8 claims
- 0893US6081305ALiquid crystal light valve and projection type liquid crystal display using such valveHITACHI LTD·Filed 1996·Granted Jun 27, 2000·119 cites·8 claims
- 0992US6850357B2Electrophoretic display and manufacturing methodHITACHI LTD·Filed 2004·Granted Feb 1, 2005·44 cites·8 claims
- 1092US6115017ALiquid crystal display apparatusHITACHI LTD·Filed 1997·Granted Sep 5, 2000·106 cites·24 claims
- 1191US8891044B2Color display, liquid crystal display, and semi-transmissive liquid crystal displayHIROTA SHOICHI·Filed 2007·Granted Nov 18, 2014·12 cites·11 claims
- 1289US8199282B2Wire grid polarized and liquid crystal display device using the sameSUGITA TATSUYA·Filed 2011·Granted Jun 12, 2012·10 cites·5 claims
- 1389US6803894B1Liquid crystal display apparatus and method using color field sequential driving methodHITACHI LTD·Filed 2000·Granted Oct 12, 2004·40 cites·24 claims
- 1487US7508370B2Liquid-crystal display device and method of driving liquid-crystal display deviceHITACHI DISPLAYS LTD·Filed 2005·Granted Mar 24, 2009·8 cites·24 claims
- 1584US9626918B2Color display, liquid crystal display, and semi-transmissive liquid crystal displayJAPAN DISPLAY INC·Filed 2014·Granted Apr 18, 2017·2 cites·8 claims
- 1683US7808466B2Transflective liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2006·Granted Oct 5, 2010·7 cites·16 claims
- 1781US6501523B2Liquid crystal display element and a display device having a homeotropic alignmentHITACHI LTD·Filed 2001·Granted Dec 31, 2002·20 cites·8 claims
- 1880US7639320B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Dec 29, 2009·5 cites·19 claims
- 1980US6362862B1Liquid crystal displayHITACHI LTD·Filed 1997·Granted Mar 26, 2002·62 cites·11 claims
- 2079US6850219B2Display deviceHITACHI LTD·Filed 2001·Granted Feb 1, 2005·19 cites·29 claims
- 2178US7728922B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Jun 1, 2010·5 cites·8 claims
- 2278US7573553B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Aug 11, 2009·5 cites·12 claims
- 2377US6867830B1Reflection-type color liquid crystal display apparatusHITACHI LTD·Filed 2000·Granted Mar 15, 2005·18 cites·8 claims
- 2476US7751014B2Liquid-crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Jul 6, 2010·4 cites·15 claims
- 2576US5926240ALiquid crystal display apparatus comprise a silicon nitride dielectric film with thickness in a range of 80mm-170mm and disposes between a reflective pixel elect and LC layerHITACHI LTD·Filed 1997·Granted Jul 20, 1999·49 cites·15 claims
- 2675US8345182B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Jan 1, 2013·4 cites·13 claims
- 2775US7675596B2Liquid crystal device and information terminal device provided with the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Mar 9, 2010·4 cites·15 claims
- 2873US7990369B2Image display apparatus and image display moduleHITACHI DISPLAYS LTD·Filed 2007·Granted Aug 2, 2011·2 cites·8 claims
- 2971US7148936B1Color-separation/synthesis optical system with particular cut-off wavelengths and emission-side polarizer and projection type liquid crystal display device using the sameHITACHI LTD·Filed 2002·Granted Dec 12, 2006·11 cites·3 claims
- 3070US7859527B2Display device, method of driving the same and electric equipmentHITACHI DISPLAYS LTD·Filed 2004·Granted Dec 28, 2010·16 cites·5 claims
- 3170US7656483B2Liquid crystal displayHITACHI DISPLAYS LTD·Filed 2007·Granted Feb 2, 2010·3 cites·20 claims
- 3270US5973759ALiquid crystal projectorHITACHI LTD·Filed 1998·Granted Oct 26, 1999·37 cites·7 claims
- 3369US7522146B2Scanning-line selecting circuit and display device using the sameHITACHI DISPLAYS LTD·Filed 2004·Granted Apr 21, 2009·10 cites·2 claims
- 3469US6956691B2Electrophoretic display and manufacturing methodHITACHI LTD·Filed 2004·Granted Oct 18, 2005·9 cites·18 claims
- 3566US7777844B2Liquid crystal displaying device with color pixels and in-cell retarderHITACHI DISPLAYS LTD·Filed 2008·Granted Aug 17, 2010·2 cites·26 claims
- 3666US7599027B2Transflective liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Oct 6, 2009·2 cites·20 claims
- 3765US7336410B2High-definition pixel structure of electrochromic displays and method of producing the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Feb 26, 2008·2 cites·7 claims
- 3861US7884908B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Feb 8, 2011·1 cites·16 claims
- 3960US7952663B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted May 31, 2011·1 cites·16 claims
- 4059US7133218B2Optical systemHITACHI LTD·Filed 2002·Granted Nov 7, 2006·3 cites·37 claims
- 4158US8040448B2Transflective liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2011·Granted Oct 18, 2011·0 cites·8 claims
- 4258US2010090220A1Thin film transistor and semiconductor device using the sameHITACHI LTD·Filed 2009·Application pending·0 cites
- 4356US8149345B2Transflective liquid crystal display deviceIMAYAMA HIROTAKA·Filed 2011·Granted Apr 3, 2012·0 cites·3 claims
- 4456US7352416B2Polarization direction of incident light beam perpendicular or parallel to liquid display molecular orientation for reduced drive voltageHITACHI LTD·Filed 2002·Granted Apr 1, 2008·5 cites·36 claims
- 4554US7982832B2Transflective liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2007·Granted Jul 19, 2011·0 cites·18 claims
- 4653US2016233560A1Power Storage System and Maintenance Method of the Power Storage SystemHITACHI CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 4749US2005211975A1Thin film transistor and semiconductor device using the sameHITACHI LTD·Filed 2005·Application pending·0 cites
- 4846US2006125742A1Liquid-crystal display device and method of driving liquid-crystal display deviceSEKIGUCHI YOSHIFUMI·Filed 2005·Application pending·0 cites
- 4945US2004207568A1Portable information processing apparatus and method for displaying imageHITACHI LTD·Filed 2004·Application pending·0 cites
- 5045US2005078073A1Liquid crystal display apparatusFiled 2004·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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