Inventor · Daejeon, KR

Chong Eun Kim

27Patents
6h-index
35Co-inventors
61Inventor score

Filing activity: Jun 12, 2007 → Jun 11, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US8164408B2 Planar transformer Electricity 19 Active
US8120322B2 Charge equalization apparatus Emerging Cross-Sectional Technologies 17 Active
US7880433B2 Charge equalization apparatus Emerging Cross-Sectional Technologies 11 Active
US7939965B2 Charge of equalization apparatus with parallel connection of secondary windings of multiple transformers Emerging Cross-Sectional Technologies 9 Active
US8008890B2 Charge equalization apparatus Electricity 8 Active
US8766598B2 Charge equalization apparatus with parallel connection of primary windings of multiple transformers Emerging Cross-Sectional Technologies 7 Active
US8371989B2 User-participating type fitness lecture system and fitness training method using the same Human Necessities 6 Active
US8120204B2 Load sharing device and parallel power supply therewith Electricity 6 Active
US7652898B2 Soft start circuit and power supply including soft start circuit Emerging Cross-Sectional Technologies 6 Active
US8217623B2 Charge equalization apparatus and method Emerging Cross-Sectional Technologies 6 Active
US8310204B2 Automatic charge equalization method and apparatus for series connected battery string Emerging Cross-Sectional Technologies 4 Active
US8098500B2 Phase shift full bridge converter with reduced current stress Emerging Cross-Sectional Technologies 4 Active
US7982429B1 Charge equalization apparatus Emerging Cross-Sectional Technologies 3 Active
US8054653B2 DC power supply for varying output voltage according to load current variation Emerging Cross-Sectional Technologies 3 Active
US8872499B2 Power supply apparatus Emerging Cross-Sectional Technologies 2 Active
US9344000B2 Power module varying bias power and distributed power supply apparatus Emerging Cross-Sectional Technologies 2 Active
US9417644B2 Apparatus for and method of controlling power supply system Physics 2 Active
US9112424B2 Power supply device having improved power conversion efficiency in light load conditions Electricity 2 Active
US9337715B2 Boost converter with first and second modes based upon the input voltage Emerging Cross-Sectional Technologies 1 Active
US8665622B2 Power supply unit supplying standby power by sharing switch of main converter Emerging Cross-Sectional Technologies 1 Active
US9515563B2 Power module and distributed power supply apparatus having the same Emerging Cross-Sectional Technologies 1 Active
US9431899B2 Power supply device for supplying standby voltage by using main voltage Emerging Cross-Sectional Technologies 1 Active
US8299881B2 Transformer improved in leakage inductance Electricity 0 Active
US9374012B2 Power supply Emerging Cross-Sectional Technologies 0 Active
US9154042B2 Power supply apparatus Electricity 0 Active

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