Inventor · disambiguated record
Keiji Kashima
Also filed as: KASHIMA KEIJI
71 granted patents·27 pending applications·1,912 citations·filing 1991–2024
99Inventor score
Top patents by PatentIndex Score
98 records- 0197US5995288AOptical sheet optical sheet lamination light source device, and light-transmissive type display apparatusDAINIPPON PRINTING CO LTD·Filed 1998·Granted Nov 30, 1999·129 cites·11 claims
- 0296US7206041B2Liquid-crystal displayDAINIPPON PRINTING CO LTD·Filed 2005·Granted Apr 17, 2007·21 cites·2 claims
- 0394US5735590ABacklighting device with a transparent sheet having straight ridgesTOSOH CORP·Filed 1995·Granted Apr 7, 1998·182 cites·11 claims
- 0494US5521797ABacklighting deviceTOSOH CORP·Filed 1994·Granted May 28, 1996·170 cites·11 claims
- 0594US5262928ABack lighting deviceTOSOH CORP·Filed 1992·Granted Nov 16, 1993·146 cites·19 claims
- 0693US5442523ABacklighting deviceTOSOH CORP·Filed 1992·Granted Aug 15, 1995·113 cites·6 claims
- 0793US5093765ABack lighting device for a panelTOSOH CORP·Filed 1991·Granted Mar 3, 1992·143 cites·13 claims
- 0892US6504589B1Backlight device and liquid crystal display deviceDAINIPPON PRINTING CO LTD·Filed 1998·Granted Jan 7, 2003·94 cites·29 claims
- 0989US7859622B2Retardation layer and liquid crystal display apparatus using the sameDAINIPPON PRINTING CO LTD·Filed 2010·Granted Dec 28, 2010·5 cites·25 claims
- 1089US6333817B1Optical lamination sheetDAINIPPON PRINTING CO LTD·Filed 2000·Granted Dec 25, 2001·27 cites·3 claims
- 1188US7030949B2Optical display including a cholesteric layer, a display device and a diffusing layer on an exit side of the cholesteric layerDAINIPPON PRINTING CO LTD·Filed 2002·Granted Apr 18, 2006·30 cites·10 claims
- 1288US6825984B2Optical sheet laminationDAINIPPON PRINTING CO LTD·Filed 2003·Granted Nov 30, 2004·25 cites·4 claims
- 1387US7209346B2Information processing apparatusTOSHIBA KK·Filed 2005·Granted Apr 24, 2007·7 cites·8 claims
- 1487US6583833B1Bidirectional dichroic circular polarizer and reflection/transmission type liquid-crystal display deviceDAINIPPON PRINTING CO LTD·Filed 2000·Granted Jun 24, 2003·28 cites·4 claims
- 1586US7411645B2Phase difference layer laminated body and manufacturing method thereofDAINIPPON PRINTING CO LTD·Filed 2006·Granted Aug 12, 2008·12 cites·15 claims
- 1686US5618095ABacklighting deviceTOSOH CORP·Filed 1995·Granted Apr 8, 1997·74 cites·12 claims
- 1785US5289351ABacklighting deviceTOSOH CORP·Filed 1992·Granted Feb 22, 1994·66 cites·9 claims
- 1883US7324180B2Laminated retardation optical element, process of producing the same, and liquid crystal displayDAINIPPON PRINTING CO LTD·Filed 2003·Granted Jan 29, 2008·19 cites·14 claims
- 1982US6417831B2Diffused light controlling optical sheet, back light device and liquid crystal display apparatusDAINIPPON PRINTING CO LTD·Filed 1998·Granted Jul 9, 2002·60 cites·19 claims
- 2082US6147804AOptical sheet laminationDAINIPPON PRINTING CO LTD·Filed 1999·Granted Nov 14, 2000·36 cites·4 claims
- 2181US7623201B2Liquid-crystal displayDAINIPPON PRINTING CO LTD·Filed 2007·Granted Nov 24, 2009·4 cites·1 claims
- 2281US5392199ABack lighting deviceTOSOH CORP·Filed 1993·Granted Feb 21, 1995·44 cites·8 claims
- 2379US5730518ABacklighting deviceTOSOH CORP·Filed 1995·Granted Mar 24, 1998·48 cites·13 claims
- 2478US6147734ABidirectional dichroic circular polarizer and reflection/transmission type liquid-crystal display deviceDAINIPPON PRINTING CO LTD·Filed 1999·Granted Nov 14, 2000·48 cites·19 claims
- 2578US5688035ABacklighting device free of a bright lineTOSOH CORP·Filed 1996·Granted Nov 18, 1997·57 cites·10 claims
- 2677US8355203B2Optical functional film, retardation film, composition for forming optical functional layer and producing method of optical functional filmDAINIPPON PRINTING CO LTD·Filed 2011·Granted Jan 15, 2013·2 cites·5 claims
- 2777US7719643B2Retardation layer and liquid crystal display apparatus using the sameDAINIPPON PRINTING CO LTD·Filed 2004·Granted May 18, 2010·14 cites·4 claims
- 2877US7405780B2Liquid-crystal displayDAINIPPON PRINTING CO LTD·Filed 2007·Granted Jul 29, 2008·3 cites·8 claims
- 2977US6700707B2Optical sheet laminationDAINIPPON PRINTING CO LTD·Filed 2003·Granted Mar 2, 2004·11 cites·13 claims
- 3077US6259496B1Backlight device and light transmission type display apparatusDAINIPPON PRINTING CO LTD·Filed 1999·Granted Jul 10, 2001·47 cites·7 claims
- 3176US6104455ABack light device and liquid crystal display apparatusDAINIPPON PRINTING CO LTD·Filed 1998·Granted Aug 15, 2000·38 cites·13 claims
- 3274US9869809B2Backlight unit, liquid-crystal display apparatus, and stacked structureDAINIPPON PRINTING CO LTD·Filed 2015·Granted Jan 16, 2018·2 cites·11 claims
- 3374US6906764B2Reflective cholesteric filterDAINIPPON PRINTING CO LTD·Filed 2002·Granted Jun 14, 2005·20 cites·13 claims
- 3473US7079207B2Liquid crystal displayDAINIPPON PRINTING CO LTD·Filed 2002·Granted Jul 18, 2006·14 cites·5 claims
- 3573US2024393691A1Marker, method for manufacturing marker, and detection targetDAINIPPON PRINTING CO LTD·Filed 2024·Application pending·0 cites
- 3672US6560023B2Optical lamination sheetDAINIPPON PRINTING CO LTD·Filed 2001·Granted May 6, 2003·8 cites·17 claims
- 3770US6865834B2Display apparatusDAINIPPON PRINTING CO LTD·Filed 2002·Granted Mar 15, 2005·11 cites·7 claims
- 3868US6624937B2Polarization splitting sheet, optical sheet laminate, planar light source apparatus, and transmission-type display apparatusDAINIPPON PRINTING CO LTD·Filed 1999·Granted Sep 23, 2003·30 cites·17 claims
- 3967US8064136B2Optical functional film, retardation film, composition for forming optical functional layer and producing method of optical functional filmKASHIMA KEIJI·Filed 2006·Granted Nov 22, 2011·4 cites·19 claims
- 4066US7508474B2Laminated retardation layer, its fabrication process, and liquid crystal display incorporating the sameDAINIPPON PRINTING CO LTD·Filed 2004·Granted Mar 24, 2009·9 cites·9 claims
- 4166US6977099B2Liquid crystalline transfer sheet and process of producing the sameDAINIPPON PRINTING CO LTD·Filed 2001·Granted Dec 20, 2005·4 cites·14 claims
- 4265US6559911B2Polarization light splitting film, backlight system and liquid crystal display having particular diffusion layer under optical rotation selection layerDAINIPPON PRINTING CO LTD·Filed 1998·Granted May 6, 2003·25 cites·12 claims
- 4364US8968836B2Electromagnetic wave reflective film and method for producing sameHAMADA SATORU·Filed 2011·Granted Mar 3, 2015·1 cites·4 claims
- 4464US6819372B2Back light device with diffusing sheet for a liquid crystal display apparatusDAINIPPON PRINTING CO LTD·Filed 2000·Granted Nov 16, 2004·7 cites·12 claims
- 4563USRE40655EPolarization light splitting film, backlight system and liquid crystal display having particular diffusion layer under optical rotational selection layerDAINIPPON PRINTING CO LTD·Filed 2005·Granted Mar 10, 2009·1 cites·13 claims
- 4663US7405786B2Laminated retardation optical element, process of producing the same, and liquid crystal displayDAINIPPON PRINTING CO LTD·Filed 2007·Granted Jul 29, 2008·1 cites·14 claims
- 4763US7256847B2Board with cholesteric layer and display having the boardDAINIPPON PRINTING CO LTD·Filed 2002·Granted Aug 14, 2007·7 cites·7 claims
- 4863US5647655ABack lighting deviceTOSOH CORP·Filed 1994·Granted Jul 15, 1997·21 cites·3 claims
- 4962US9551824B2Light guide plate, method for producing light guide plate, surface light source device, and liquid crystal display deviceYAMAMOTO HIROSHI·Filed 2010·Granted Jan 24, 2017·1 cites·9 claims
- 5062US7359018B2Retardation optical element, process of producing the same, and liquid crystal displayDAINIPPON PRINTING CO LTD·Filed 2003·Granted Apr 15, 2008·7 cites·21 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →