Inventor · Fremont, CA, US

Yajuan Chen

32Patents
23h-index
46Co-inventors
81Inventor score

Filing activity: Sep 15, 2003 → Mar 25, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7072095B2 Electrophoretic display and novel process for its manufacture Physics 220 Expired
US8243013B1 Driving bistable displays Physics 133 Active
US8159636B2 Reflective displays and processes for their manufacture Emerging Cross-Sectional Technologies 129 Active
US7226550B2 Electrophoretic dispersions Chemistry; Metallurgy 124 Expired
US7177066B2 Electrophoretic display driving scheme Physics 121 Expired
US8274472B1 Driving methods for bistable displays Physics 108 Active
US8462102B2 Driving methods for bistable displays Physics 102 Active
US7982479B2 Inspection methods for defects in electrophoretic display and related devices Physics 96 Active
US9541814B2 Color display device Physics 78 Active
US8643595B2 Electrophoretic display driving approaches Physics 70 Active
US7800813B2 Methods and compositions for improved electrophoretic display performance Physics 68 Active
US9373289B2 Driving methods and circuit for bi-stable displays Physics 66 Active
US8730153B2 Driving bistable displays Physics 65 Active
US9171508B2 Driving bistable displays Physics 65 Active
US7277218B2 Electrophoretic compositions Chemistry; Metallurgy 64 Expired
US7880958B2 Display cell structure and electrode protecting layer compositions Physics 55 Active
US7347957B2 Methods and compositions for improved electrophoretic display performance Physics 45 Expired
US7504050B2 Modification of electrical properties of display cells for improving electrophoretic display performance Physics 43 Expired
US8547628B2 Methods and compositions for improved electrophoretic display performance Physics 36 Active
US6958849B2 Electrophoretic display with improved temperature latitude and switching performance Physics 29 Expired
US7473782B2 Fluorinated dyes or colorants and their uses Chemistry; Metallurgy 28 Active
US7564614B2 Electrode protection film for electrophoretic displays Physics 28 Expired
US7767112B2 Method for inducing or enhancing the threshold voltage of an electrophoretic display Chemistry; Metallurgy 27 Active
US8441432B2 Display cell structure and electrode protecting layer compositions Physics 15 Active
US11062663B2 Electro-optic displays and driving methods Physics 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.