Inventor · disambiguated record
Mari Sugawara
Also filed as: SUGAWARA MARI
24 granted patents·6 pending applications·1,048 citations·filing 1995–2011
97Inventor score
Top patents by PatentIndex Score
30 records- 0198US7073933B2Light guide plate, light source device equipped therewith and display deviceSHARP KK·Filed 2002·Granted Jul 11, 2006·157 cites·31 claims
- 0296US6655810B2Lighting unitFUJITSU DISPLAY TECH·Filed 2001·Granted Dec 2, 2003·75 cites·22 claims
- 0395US6552760B1Luminaire with improved light utilization efficiencyFUJITSU LTD·Filed 2000·Granted Apr 22, 2003·89 cites·3 claims
- 0495US6379010B1Projection type displayFUJITSU LTD·Filed 1999·Granted Apr 30, 2002·57 cites·8 claims
- 0594US7359011B2Reflection-type liquid crystal display deviceSHARP KK·Filed 2004·Granted Apr 15, 2008·51 cites·1 claims
- 0692US5764412APolarization separation/conversion device for polarized lighting apparatus and projection display unitFUJITSU LTD·Filed 1995·Granted Jun 9, 1998·118 cites·23 claims
- 0791US7163331B2Lighting unit and display deviceSHARP KK·Filed 2003·Granted Jan 16, 2007·47 cites·19 claims
- 0890US6481854B1Projection type display apparatus having air cooling arrangementFUJITSU LTD·Filed 1999·Granted Nov 19, 2002·107 cites·51 claims
- 0990US6246506B1Optical display device having a reflection-type polarizerFUJITSU LTD·Filed 2000·Granted Jun 12, 2001·41 cites·69 claims
- 1088US7309146B2Backlight having discharge tube, reflector and heat conduction member contacting discharge tubeSHARP KK·Filed 2005·Granted Dec 18, 2007·7 cites·11 claims
- 1187US6513936B1ProjectorFUJITSU LTD·Filed 2000·Granted Feb 4, 2003·34 cites·8 claims
- 1283US8049711B2Illumination device and liquid crystal display device using the sameSHARP KK·Filed 2007·Granted Nov 1, 2011·4 cites·5 claims
- 1379US5959704ADisplay device having diffraction gratingFUJITSU LTD·Filed 1996·Granted Sep 28, 1999·55 cites·19 claims
- 1478US6322218B1Projection type displayFUJITSU LTD·Filed 1999·Granted Nov 27, 2001·57 cites·12 claims
- 1578US6111700AOptical display device having a reflection-type polarizerFUJITSU LTD·Filed 1999·Granted Aug 29, 2000·51 cites·29 claims
- 1676US7494259B2Lighting unitSHARP KK·Filed 2003·Granted Feb 24, 2009·14 cites·7 claims
- 1773US8134661B2Reflection-type liquid crystal display deviceHAMADA TETSUYA·Filed 2011·Granted Mar 13, 2012·1 cites·6 claims
- 1872US5826960AProtection type display device with polarized light reflecting mirror and polarized light sourceFUJITSU LTD·Filed 1997·Granted Oct 27, 1998·42 cites·25 claims
- 1971US7541723B2Backlight having a polarization separating elementSHARP KK·Filed 2005·Granted Jun 2, 2009·5 cites·9 claims
- 2071US7164224B2Backlight having discharge tube, reflector and heat conduction member contacting discharge tubeSHARP KK·Filed 2001·Granted Jan 16, 2007·8 cites·6 claims
- 2166US6819366B2Display device with condenser elementsFUJITSU LTD·Filed 2003·Granted Nov 16, 2004·8 cites·3 claims
- 2262US7015632B2Light source device, method of producing the same, and display apparatusFUJITSU KASEI KK·Filed 2002·Granted Mar 21, 2006·8 cites·18 claims
- 2359US2008068331A1Liquid crystal display and method of manufacturing the sameSHARP KK·Filed 2007·Application pending·0 cites
- 2457US2008062700A1Backlight having discharge tube, reflector and heat conduction member contacting discharge tubeSHARP KK·Filed 2007·Application pending·0 cites
- 2554US2008074591A1Reflection-type liquid crystal display deviceSHARP KK·Filed 2007·Application pending·0 cites
- 2650US2011292097A1Illumination device and liquid crystal display device using the sameKOBAYASHI TETSUYA·Filed 2011·Application pending·0 cites
- 2747US6559910B2Display device with condenser elementsFUJITSU LTD·Filed 1999·Granted May 6, 2003·12 cites·9 claims
- 2843US2003174262A1Liquid crystal display and method of manufacturing the sameFUJITSU DISPLAY TECH·Filed 2003·Application pending·0 cites
- 2941US7122946B2Light source device having high limit-emitting efficiencySHARP KK·Filed 2003·Granted Oct 17, 2006·0 cites·7 claims
- 3041US2004124764A1Light source device and display having the sameFUJITSU DISPLAY TECH·Filed 2003·Application pending·0 cites
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