Inventor · disambiguated record
Hiroki Umeda
Also filed as: UMEDA HIROKI
38 granted patents·3 pending applications·489 citations·filing 1992–2025
98Inventor score
Top patents by PatentIndex Score
41 records- 0198US6503581B1Optical film and liquid crystal display using the sameKONISHIROKU PHOTO IND·Filed 2000·Granted Jan 7, 2003·79 cites·21 claims
- 0296US7184112B2Polarizing plate having cellulose ester films on opposite sides thereof and liquid crystal display employing the sameKONICA CORP·Filed 2005·Granted Feb 27, 2007·29 cites·19 claims
- 0393US6814914B2Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image displayKONISHIROKU PHOTO IND·Filed 2002·Granted Nov 9, 2004·54 cites·25 claims
- 0493US6740370B2Optical film and liquid crystal display using the sameKONISHIROKU PHOTO IND·Filed 2003·Granted May 25, 2004·27 cites·27 claims
- 0591US7208205B2Optical film and liquid crystal display using the sameKONICA CORP·Filed 2004·Granted Apr 24, 2007·23 cites·80 claims
- 0690US7709067B2Cellulose ester film, polarizing plate and liquid crystal displayKONICA MINOLTA OPTO INC·Filed 2006·Granted May 4, 2010·13 cites·11 claims
- 0790US7038744B2Polarizing plate having a stretched film on a side thereof and liquid crystal display employing the sameKONICA CORP·Filed 2002·Granted May 2, 2006·35 cites·21 claims
- 0889US7599028B2Polarizing plate and liquid crystal display employing the sameKONICA CORP·Filed 2006·Granted Oct 6, 2009·10 cites·13 claims
- 0989US7105213B2Optical compensation film, viewing angle compensation integral type polarizing plate and liquid crystal display apparatusKONICA MINOLTA HOLDINGS INC·Filed 2005·Granted Sep 12, 2006·16 cites·13 claims
- 1088US7471360B2Liquid crystal display deviceKONICA MINOLTA OPTO INC·Filed 2006·Granted Dec 30, 2008·18 cites·9 claims
- 1186US7550182B2Polarizing plate and display deviceKONICA MINOLTA OPTO INC·Filed 2006·Granted Jun 23, 2009·16 cites·6 claims
- 1286US6881457B2Optical compensation film, viewing angle compensation integral type polarizing plate and liquid crystal display apparatusKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted Apr 19, 2005·33 cites·9 claims
- 1386US6623811B2Optical film and liquid crystal display using the sameKONISHIROKU PHOTO IND·Filed 2002·Granted Sep 23, 2003·22 cites·27 claims
- 1484US7306832B2Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image displayKONICA CORP·Filed 2004·Granted Dec 11, 2007·21 cites·10 claims
- 1581US10660229B2Electrical device and manufacturing method of the sameTOYOTA MOTOR CO LTD·Filed 2018·Granted May 19, 2020·3 cites·16 claims
- 1681US7466377B2Retardation film, manufacturing method thereof, polarizing plate and liquid crystal display apparatusKONICA MINOLTA OPTO INC·Filed 2006·Granted Dec 16, 2008·10 cites·23 claims
- 1779US7666482B2Retardation film, polarizing plate and vertical alignment mode liquid crystal displayKONICA MINOLTA OPTO INC·Filed 2006·Granted Feb 23, 2010·9 cites·11 claims
- 1873US7435458B2Optical film and liquid crystal display using the sameKONICA CORP·Filed 2007·Granted Oct 14, 2008·3 cites·24 claims
- 1969US7359017B2Optical compensation film, polarizing plate, displaying apparatus, method for producing optical compensation film and method for producing polarizing plateKONICA MINOLTA OPTO INC·Filed 2005·Granted Apr 15, 2008·5 cites·30 claims
- 2068US2025275076A1Power conversion deviceDENSO CORP·Filed 2025·Application pending·0 cites
- 2166US7158200B2Optical compensation sheet and liquid crystal displayKONICA CORP·Filed 2003·Granted Jan 2, 2007·8 cites·26 claims
- 2264US10581339B2Power conversion system and assembling methodDENSO CORP·Filed 2019·Granted Mar 3, 2020·1 cites·7 claims
- 2363US7199848B2Optical compensation sheet and liquid crystal displayKONICA CORP·Filed 2001·Granted Apr 3, 2007·7 cites·28 claims
- 2461US7345725B2Optical compensation film, polarizing plate and liquid crystal displayKONICA MINOLTA OPTO INC·Filed 2004·Granted Mar 18, 2008·6 cites·9 claims
- 2561USD380006SCopying machineCANON KK·Filed 1995·Granted Jun 17, 1997·11 cites·1 claims
- 2660US7791696B2Optical film and liquid crystal display using the sameKONICA CORP·Filed 2008·Granted Sep 7, 2010·0 cites·11 claims
- 2757US7740919B2Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image displayKONICA CORP·Filed 2007·Granted Jun 22, 2010·1 cites·32 claims
- 2856USD374456SToner cartridgeCANON KK·Filed 1996·Granted Oct 8, 1996·9 cites·1 claims
- 2955US8273273B2Manufacturing method for optical filmUMEDA HIROKI·Filed 2007·Granted Sep 25, 2012·1 cites·10 claims
- 3055US7218367B2Optical compensation sheet and liquid crystal displayKONICA CORP·Filed 2001·Granted May 15, 2007·5 cites·19 claims
- 3153US10524374B2Electric deviceTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 31, 2019·0 cites·7 claims
- 3253US7880840B2Method for producing vertical alignment liquid crystal displayKONICA CORP A CORP OF JAPAN·Filed 2010·Granted Feb 1, 2011·0 cites·9 claims
- 3352US10374523B2Power conversion deviceTOYOTA MOTOR CO LTD·Filed 2018·Granted Aug 6, 2019·0 cites·4 claims
- 3452US2016209551A1Anti-fogging film, anti-fogging glass, glass laminate, and liquid crystal display deviceKONICA MINOLTA INC·Filed 2014·Application pending·0 cites
- 3549US11046190B2Pressing memberDENSO CORP·Filed 2020·Granted Jun 29, 2021·0 cites·4 claims
- 3649US2008129934A1Optical compensation film, polarizing plate and liquid crystal displayKONICA MINOLTA OPTO INC·Filed 2008·Application pending·0 cites
- 3748US7495720B2Polarizing plate and liquid crystal display deviceKONICA MINOLTA OPTO INC·Filed 2006·Granted Feb 24, 2009·0 cites·5 claims
- 3848USD362675SCopying machineCANON KK·Filed 1994·Granted Sep 26, 1995·5 cites·1 claims
- 3947USD354509SCopying machineCANON KK·Filed 1992·Granted Jan 17, 1995·5 cites·1 claims
- 4036USD388820SPhotocopierCANON KK·Filed 1996·Granted Jan 6, 1998·2 cites·1 claims
- 4135USD374886SOriginal feeding deviceCANON KK·Filed 1995·Granted Oct 22, 1996·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →