Inventor · disambiguated record
Mitsuyoshi Ichihashi
Also filed as: ICHIHASHI MITSUYOSHI
123 granted patents·31 pending applications·1,191 citations·filing 1986–2023
99Inventor score
Top patents by PatentIndex Score
154 records- 0198US6593984B2Quarter wave plate comprising two optically anisotropic layersFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jul 15, 2003·147 cites·11 claims
- 0298US6589445B2Light-reaction type optically active compound, light-reaction type chiral agent, liquid crystal composition, liquid crystal color filter, optical film, recording medium, and method of changing twist structure of liquid crystalFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jul 8, 2003·54 cites·16 claims
- 0397US6338808B1Liquid crystal composition comprising liquid crystal molecules and alignment promoterFUJI PHOTO FILM CO LTD·Filed 2000·Granted Jan 15, 2002·118 cites·14 claims
- 0495US11732194B2Cholesteric liquid crystal layer, laminate, optically anisotropic body, reflective film, method for producing cholesteric liquid crystal layer, anti-counterfeit medium, and determination methodFUJIFILM CORP·Filed 2020·Granted Aug 22, 2023·3 cites·22 claims
- 0593US11977306B2Transparent screenFUJIFILM CORP·Filed 2022·Granted May 7, 2024·2 cites·12 claims
- 0693US6686980B1Anisotropic film containing a copolymer including a monomer containing a dichroic dye and liquid crystal display containing the antisotropic filmFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 3, 2004·59 cites·9 claims
- 0793US5943113AMethod of producing a liquid crystal display unitFUJI PHOTO FILM CO LTD·Filed 1998·Granted Aug 24, 1999·113 cites·21 claims
- 0891US10859745B2Vehicle mirrorFUJIFILM CORP·Filed 2018·Granted Dec 8, 2020·3 cites·21 claims
- 0990US10036701B2Sensing system and sensing methodFUJIFILM CORP·Filed 2017·Granted Jul 31, 2018·4 cites·22 claims
- 1090US6778237B2Polarizing elementFUJI PHOTO FILM CO LTD·Filed 2001·Granted Aug 17, 2004·47 cites·12 claims
- 1190US6519016B1Phase retarder comprising two optically anisotropic layersFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 11, 2003·48 cites·9 claims
- 1288US5528392AImage-forming apparatus having liquid crystal and photoconductive members and using the same light beam for reading and writingFUJI PHOTO FILM CO LTD·Filed 1994·Granted Jun 18, 1996·29 cites·19 claims
- 1387US7755728B2Optically anisotropic film, brightness increasing film, laminated optical film, and image display device using the sameFUJIFILM CORP·Filed 2006·Granted Jul 13, 2010·10 cites·7 claims
- 1487US7658864B2Liquid crystal composition, optical compensation film and liquid crystal display deviceFUJIFILM CORP·Filed 2005·Granted Feb 9, 2010·9 cites·19 claims
- 1587US6875483B2Liquid crystal composition comprising liquid crystal molecules and alignment promoterFUJI PHOTO FILM CO LTD·Filed 2001·Granted Apr 5, 2005·40 cites·50 claims
- 1686US9933619B2Member for projection image display and projection image display systemFUJIFILM CORP·Filed 2015·Granted Apr 3, 2018·5 cites·21 claims
- 1786US9829615B2Luminance-enhancing film, optical sheet member, and liquid crystal display deviceFUJIFILM CORP·Filed 2016·Granted Nov 28, 2017·3 cites·22 claims
- 1886US9671540B2Polarization filter and sensor systemFUJIFILM CORP·Filed 2015·Granted Jun 6, 2017·3 cites·20 claims
- 1984US9128322B2Phase difference plate for circularly polarizing plate, circularly polarizing plate, and organic electroluminescence display apparatusFUJIFILM CORP·Filed 2014·Granted Sep 8, 2015·5 cites·20 claims
- 2084US6519017B1Liquid crystal display comprising liquid crystal cell, linearly polarizing membrane, cholesteric liquid crystal layer and quarter wave plateFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 11, 2003·27 cites·8 claims
- 2184US6400433B1Circularly polarizing plate comprising linearly polarizing membrane and quarter wave plateFUJI PHOTO FILM CO LTD·Filed 1999·Granted Jun 4, 2002·64 cites·14 claims
- 2283US9759600B2Circular polarization filter and application thereforFUJIFILM CORP·Filed 2015·Granted Sep 12, 2017·4 cites·15 claims
- 2382US10139533B2Circular polarizing filter and application thereofFUJIFILM CORP·Filed 2016·Granted Nov 27, 2018·3 cites·20 claims
- 2482US10061187B2Reflection member available for heat shield use and projector including reflection memberFUJIFILM CORP·Filed 2016·Granted Aug 28, 2018·4 cites·18 claims
- 2581US10794568B2Plant-growth laminated film and plant-growth illumination apparatusFUJIFILM CORP·Filed 2019·Granted Oct 6, 2020·2 cites·8 claims
- 2681US7318951B2Retardation film, producing process thereof and liquid crystal display utilizing the sameFUJIFILM CORP·Filed 2005·Granted Jan 15, 2008·6 cites·18 claims
- 2780US8257611B2Optical film and retardation sheet, and liquid crystal compoundUEHIRA SHIGEKI·Filed 2007·Granted Sep 4, 2012·11 cites·21 claims
- 2879US9807945B2Illumination apparatus used for plant cultivationFUJIFILM CORP·Filed 2014·Granted Nov 7, 2017·2 cites·9 claims
- 2979US9366793B2Circularly polarizing plate, retardation plate for circularly polarizing plate, and organic electroluminescence display apparatusFUJIFILM CORP·Filed 2015·Granted Jun 14, 2016·2 cites·16 claims
- 3078US10501017B2Vehicle mirror with image display functionFUJIFILM CORP·Filed 2017·Granted Dec 10, 2019·2 cites·8 claims
- 3178US6485798B1Optical compensatory sheet comprising substrate and optically anisotropic layerFUJI PHOTO FILM CO LTD·Filed 2000·Granted Nov 26, 2002·20 cites·16 claims
- 3278US5414490APhotosensitive material exposure apparatusFUJI PHOTO FILM CO LTD·Filed 1993·Granted May 9, 1995·18 cites·20 claims
- 3377US7505101B2Liquid crystal displayFUJIFILM CORP·Filed 2005·Granted Mar 17, 2009·5 cites·16 claims
- 3475US7811469B2Vertical alignment film and VA mode liquid crystal cellFUJIFILM CORP·Filed 2009·Granted Oct 12, 2010·4 cites·2 claims
- 3575US7580099B2Liquid crystal display deviceFUJIFILM CORP·Filed 2005·Granted Aug 25, 2009·5 cites·9 claims
- 3674US6645397B2Liquid crystal composition, color filter and optical filmFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 11, 2003·15 cites·18 claims
- 3773US10598588B2Sensing method and sensing systemFUJIFILM CORP·Filed 2017·Granted Mar 24, 2020·1 cites·11 claims
- 3872US9927095B2Illuminating device and plant growth regulation methodFUJIFILM CORP·Filed 2013·Granted Mar 27, 2018·2 cites·11 claims
- 3972US9122091B2Phase difference plate for circularly polarizing plate, circularly polarizing plate, and organic electroluminescence display apparatusFUJIFILM CORP·Filed 2014·Granted Sep 1, 2015·2 cites·20 claims
- 4071US10690827B2Transmission decorative film and method of manufacturing transmission decorative filmFUJIFILM CORP·Filed 2019·Granted Jun 23, 2020·1 cites·12 claims
- 4171US9229142B2Optical film, polarizing plate, liquid crystal display, and method of manufacturing optical filmFUJIFILM CORP·Filed 2013·Granted Jan 5, 2016·2 cites·18 claims
- 4271US8262932B2Polymerizable liquid crystal compound, polymerizable liquid crystal composition, polymer and filmKATOH SHUNYA·Filed 2011·Granted Sep 11, 2012·2 cites·18 claims
- 4371US7768608B2Liquid crystal display device with improved viewing angleFUJIFILM CORP·Filed 2005·Granted Aug 3, 2010·4 cites·14 claims
- 4471US6610216B2Optically active compound, photoreactive chiral agent, liquid crystal composition, method for changing helical structure of liquid crystal, method for fixing helical structure of liquid crystal, liquid crystal color filter, optical film, and recording mediumFUJI PHOTO FILM CO LTD·Filed 2001·Granted Aug 26, 2003·12 cites·13 claims
- 4571US2023161211A1Method for producing cholesteric liquid crystal layer, cholesteric liquid crystal layer, liquid crystal composition, cured product, optically anisotropic body, and reflective layerFUJIFILM CORP·Filed 2023·Application pending·0 cites
- 4670US10126474B2Mirror with image display functionFUJIFILM CORP·Filed 2017·Granted Nov 13, 2018·1 cites·20 claims
- 4770US9955633B2System for selective irradiation with circularly polarized lightFUJIFILM CORP·Filed 2014·Granted May 1, 2018·2 cites·20 claims
- 4870US8568839B2Liquid crystal composition and retardation filmTAKEUCHI HIROSHI·Filed 2009·Granted Oct 29, 2013·3 cites·16 claims
- 4969US8094271B2Liquid crystal display device and color film plate, and processes for producing the sameAIKI YASUHIRO·Filed 2007·Granted Jan 10, 2012·4 cites·19 claims
- 5068US8313814B2Cellulose acylate film, method of producing the same, cellulose derivative film, optically compensatory film using the same, optically-compensatory film incorporating polarizing plate, polarizing plate and liquid crystal display deviceHARUTA HIROMOTO·Filed 2006·Granted Nov 20, 2012·1 cites·5 claims
Showing the top 50 of 154 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Mitsuyoshi Ichihashi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →