Inventor · Cameron Park, CA, US

Weijin Li

15Patents
8h-index
44Co-inventors
72Inventor score

Filing activity: Jan 11, 2001 → Sep 8, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6950266B1 Active fly height control crown actuator Physics 214 Expired
US7057857B1 Dimple pivot post for a rotary co-located microactuator Physics 207 Expired
US6947258B1 UV curable and electrically conductive adhesive for bonding magnetic disk drive components Electricity 161 Expired
US6942824B1 UV curable and electrically conductive adhesive for bonding magnetic disk drive components Electricity 153 Expired
US6795138B2 Transmissive or reflective liquid crystal display and novel process for its manufacture Physics 57 Expired
US7095477B2 Transmissive or reflective liquid crystal display and process for its manufacture Physics 43 Expired
US7474508B1 Head gimbal assembly with air bearing slider crown having reduced temperature sensitivity Physics 41 Expired
US6784953B2 Transmissive or reflective liquid crystal display and novel process for its manufacture Physics 26 Expired
US11564548B2 Cleaning robot capable of simultaneously driving a driving wheel and an impeller by single motor Mechanical Engineering; Lighting; Heating 0 Active
US9524886B2 Brush core and brush driving method Electricity 0 Active
US12308752B2 Soft start circuit and power supply circuit Emerging Cross-Sectional Technologies 0 Active
US12027850B2 Direct current load response control method and device, and a direct current electric appliance Electricity 0 Active
US9187419B2 Intermediates of sitagliptin and preparation process thereof Chemistry; Metallurgy 0 Active
US12261447B2 On-grid/off-grid scheduling method and apparatus, and energy storage power supply system Electricity 0 Active
US11936183B2 Energy-internet system, energy routing conversion device, and energy control method Emerging Cross-Sectional Technologies 0 Active

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