Inventor · disambiguated record
Yasuko Hayashi
Also filed as: HAYASHI YASUKO
15 granted patents·1 pending application·666 citations·filing 1994–2008
95Inventor score
Top patents by PatentIndex Score
16 records- 0197US7736045B2Area light source and lightguide used thereforeMITSUBISHI RAYON CO·Filed 2008·Granted Jun 15, 2010·43 cites·18 claims
- 0297US7004610B2Light source deviceMITSUBISHI RAYON CO·Filed 2001·Granted Feb 28, 2006·156 cites·36 claims
- 0397US6669350B2Planar light source system and light deflecting device thereforMITSUBISHI RAYON CO·Filed 2001·Granted Dec 30, 2003·147 cites·23 claims
- 0491US6312787B1Resin sheet, process and apparatus for producing same, surface light source element and laminateMITSUBISHI RAYON CO·Filed 2000·Granted Nov 6, 2001·43 cites·6 claims
- 0590US7380969B2Planar light source system and light deflecting device thereforMITSUBISHI RAYON CO·Filed 2003·Granted Jun 3, 2008·40 cites·7 claims
- 0690US6502947B2Planar light source device and liquid crystal display apparatusMITSUBISHI RAYON CO·Filed 2001·Granted Jan 7, 2003·56 cites·14 claims
- 0788US5573880ACarrier for electrophotography, process for its production, two-component type developer, and image forming methodCANON KK·Filed 1994·Granted Nov 12, 1996·36 cites·65 claims
- 0885US7226197B2Surface light source device and light guide used thereforMITSUBISHI RAYON CO·Filed 2003·Granted Jun 5, 2007·30 cites·47 claims
- 0982US5834145AElectrophotographic photosensitve member and image forming apparatusCANON KK·Filed 1995·Granted Nov 10, 1998·33 cites·10 claims
- 1080US7201510B2Edge lighted device with polarizationMITSUBISHI RAYON CO·Filed 2003·Granted Apr 10, 2007·22 cites·22 claims
- 1175US7520652B2Area light sourceMITSUBISHI RAYON CO·Filed 2004·Granted Apr 21, 2009·17 cites·15 claims
- 1267US6332691B2Surface light source device, and liquid crystal display device, sign display apparatus and traffic sign display apparatus using the surface light source deviceMITSUBISHI RAYON CO·Filed 2001·Granted Dec 25, 2001·8 cites·16 claims
- 1363US6099135ASurface light source element and liquid crystal display device, sign device and traffic control sign device using sameMITSUBISHI RAYON CO·Filed 1997·Granted Aug 8, 2000·21 cites·14 claims
- 1450US6244719B1Surface light source device and liquid crystal display device sign display apparatus and traffic sign display apparatus using the surface light source deviceMITSUBISHI RAYON CO·Filed 1999·Granted Jun 12, 2001·11 cites·12 claims
- 1539US2004246697A1Area light source and lightguide used thereforFiled 2002·Application pending·0 cites
- 1636US5633702ATransfer material carrying member and image-forming apparatus comprising such transfer material carrying memberCANON KK·Filed 1996·Granted May 27, 1997·3 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →