Inventor · Daxi District, TW

Lee-Long Chen

41Patents
6h-index
32Co-inventors
69Inventor score

Filing activity: May 30, 1997 → Sep 10, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5859487A Stator structure of motor and its forming method Electricity 15 Expired
US7439642B2 Brushless DC motor and magnetic compensation method thereof Electricity 7 Active
US8503178B2 Heat exchange device and closed-type electronic apparatus using the same Mechanical Engineering; Lighting; Heating 7 Active
US7521830B2 Fan motor and oil-leak proof bearing system thereof Electricity 6 Active
US7315100B2 Motor and magnetic bearing assembly thereof Mechanical Engineering; Lighting; Heating 6 Expired
US7417345B2 Fan assembly with magnetic thrust bearings Electricity 6 Expired
US7339301B2 Stator structure of motor Electricity 5 Expired
US8462504B2 Air-cooled heat exchanger and electronic device with same Mechanical Engineering; Lighting; Heating 5 Active
US6695481B1 Locking device and its related assemblage Emerging Cross-Sectional Technologies 5 Expired
US6276833A Locking device and its related assemblage Emerging Cross-Sectional Technologies 5 Expired
US7352577B2 Liquid-cooled heat dissipation module Electricity 4 Active
US7292438B2 Liquid-cooling heat dissipation module Electricity 4 Expired
US7064465B2 Motor Electricity 4 Expired
US5863134A Bearing without contacting fast spinning shaft Mechanical Engineering; Lighting; Heating 4 Expired
US7196448B2 Stator structure Electricity 3 Expired
US7348744B2 Brushless DC motor drive apparatus Electricity 3 Expired
US10697709B2 Heat-exchange apparatus Mechanical Engineering; Lighting; Heating 2 Active
US7443069B2 Stator structures Electricity 2 Expired
US7579726B2 Fan, motor and stator structure thereof Electricity 2 Active
US10588244B2 Temperature regulated cabinet Electricity 1 Active
US7291952B2 Low-abrasion rotating structure Electricity 1 Expired
US7479724B2 Stator structure Electricity 1 Active
US6902323B2 Locking device and its related assemblage Emerging Cross-Sectional Technologies 1 Expired
US8643317B2 Single phase DC brushless motor controller and method for controlling rotation speed and direction of single phase DC brushless motor Electricity 1 Active
US5927859A Sleeve bearing structure Mechanical Engineering; Lighting; Heating 0 Expired

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