Inventor · Seoul, KR

Kwang Ryeol Lee

16Patents
4h-index
22Co-inventors
60Inventor score

Filing activity: May 1, 1995 → Nov 8, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5542281A Method for testing the abrasion property and measuring friction coefficient of circumferential surface of cylindrical object and apparatus for the same Physics 9 Expired
US8486280B2 Method of forming nanostructured surface on polymer electrolyte membrane of membrane electrode assembly for fuel cell Emerging Cross-Sectional Technologies 5 Active
US5883769A Aluminum head drum with a protective layer which smoothly and continuously varies in hardness for use in a videocassette recorder Physics 5 Expired
US5611862A Method and apparatus for manufacturing head drums coated with diamond-like carbon coating film using high-frequency plasma Physics 4 Expired
US5768046A VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same Physics 4 Expired
US5695565A VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same Physics 2 Expired
US8945410B2 Fuel cell with enhanced mass transfer characteristics Emerging Cross-Sectional Technologies 2 Active
US9409771B2 Superhydrophobic/amphiphilic(oleophilic) surface with nano structure and the fabrication method thereof Emerging Cross-Sectional Technologies 2 Active
US8945409B2 Porous medium with increased hydrophobicity and method of manufacturing the same Emerging Cross-Sectional Technologies 1 Active
US10933354B2 Rotating type foreign substance collection equipment Performing Operations; Transporting 0 Active
US10099837B2 Food container having Si-DLC layer and manufacturing method thereof Emerging Cross-Sectional Technologies 0 Active
US8703354B2 Membrane electrode assembly with enhanced hydrophobicity and manufacturing method thereof Emerging Cross-Sectional Technologies 0 Active
US10870256B2 Hydrophilic aluminum surface body having hybrid nanostructure and manufacturing method thereof Performing Operations; Transporting 0 Active
US9923222B2 Fuel cell with enhanced mass transfer characteristics Emerging Cross-Sectional Technologies 0 Active
US5938838A VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same Physics 0 Expired
US10333155B2 Porous medium with increased hydrophobicity and method of manufacturing the same Emerging Cross-Sectional Technologies 0 Active

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