Inventor · Seongnam-si, KR

Chul Hee Lee

22Patents
4h-index
51Co-inventors
66Inventor score

Filing activity: May 15, 2002 → Aug 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7912419B2 Methods and apparatuses for measuring transmission quality of multimedia data Electricity 11 Expired
US8331443B2 Systems and methods for video quality measurement using auxiliary information of codec Electricity 4 Active
US7118362B2 Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom Chemistry; Metallurgy 4 Expired
US8031770B2 Systems and methods for objective video quality measurements Electricity 4 Active
US8605111B2 Method and apparatus for adjusting image colors of image projector Electricity 3 Active
US8947539B2 Apparatus for evaluating quality of video data based on hybrid type and method thereof Electricity 3 Active
USD1026052S1 3D printer leveling sensor General 2 Active
US11062157B2 Apparatus and method for detecting falling object Physics 2 Active
US10415948B2 Touch sensor Performing Operations; Transporting 1 Active
US11043647B2 Quantum dot film having porous structure and manufacturing method for the same Emerging Cross-Sectional Technologies 0 Active
US7861759B2 Lamination unit of ceramic green sheets Electricity 0 Active
US12317916B2 Method of aging smoking material by utilizing oak barrel and smoking article manufactured using the same Human Necessities 0 Active
US7460522B2 Composite voice service terminal apparatus, and method for using the same Electricity 0 Active
US11516524B2 Online based broadcasting apparatus and method Electricity 0 Active
US10284857B2 Method and apparatus for evaluating video quality Electricity 0 Active
US11701984B2 Apparatus and method for controlling interior of vehicle Physics 0 Active
US12382985B2 Vanilla smoking material wrapper and smoking article including the same Textiles; Paper 0 Active
US11151799B2 System and method for monitoring field based augmented reality using digital twin Physics 0 Active
US11022435B2 Pattern projection depth value 3D scanning device and method Electricity 0 Active
US10318802B2 Worn banknote identification method and ATM using the same Physics 0 Active
US11500376B2 Apparatus and method for providing game service for managing vehicle Electricity 0 Active
US12178242B2 Smoking article case with hand care function Chemistry; Metallurgy 0 Active

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