Inventor · Hwaseong-si, KR

Changwon Lee

26Patents
4h-index
39Co-inventors
59Inventor score

Filing activity: Apr 23, 2009 → Jul 7, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD991966S1 Display screen or portion thereof with graphical user interface General 7 Active
US8324677B2 Nonvolatile memory device and method of manufacturing the same Electricity 7 Active
US10459258B2 Meta optical device and method of designing the same Physics 7 Active
US9904077B2 Tunable nano-antenna and methods of manufacturing and operating the same Physics 6 Active
US9356427B2 Multi-wavelength surface plasmon laser and optoelectronic integrated circuit including the same Electricity 4 Active
US9343478B2 Nonvolatile memory device and method of manufacturing the same Electricity 3 Active
US8865579B2 Nonvolatile memory device and method of manufacturing the same Electricity 3 Active
US10129021B2 Photon pair generator and quantum cryptography system employing the same Electricity 3 Active
US11409492B2 System including a plurality of display apparatus and control method thereof Physics 2 Active
US9721967B2 Nonvolatile memory device and method of manufacturing the same Electricity 1 Active
US9553083B2 Apparatus for controlling heat flow Electricity 0 Active
US9548368B2 Semiconductor device including ion gel material and electronic device including the semiconductor device Electricity 0 Active
US9559227B2 Nanostructure and optical device including the nanostructure Emerging Cross-Sectional Technologies 0 Active
US9715063B2 Light interconnection device using plasmonic via Physics 0 Active
US10317696B2 Electromagnetic wave focusing device and optical apparatus including the same Physics 0 Active
US9163994B2 Electronic mirror and method for displaying image using the same Physics 0 Active
US10199390B2 Nonvolatile memory device and method of manufacturing the same Electricity 0 Active
US8679920B2 Semiconductor devices having stacked structures and a layer formed thereon tapered in direction opposite of a tapering of the stacked structures and methods of fabricating the same Electricity 0 Active
US9923104B2 Photosensor including multiple detection mode and method of operating the same Emerging Cross-Sectional Technologies 0 Active
US10439078B2 Photosensor including multiple detection mode and method of operating the same Emerging Cross-Sectional Technologies 0 Active
US10079245B2 Semiconductor device and method for fabricating same Electricity 0 Active
US9903815B2 Authentication structure/apparatus and method Physics 0 Active
US11932980B2 Washing machine having lower balancer Mechanical Engineering; Lighting; Heating 0 Active
US10012824B2 Optical device and method of controlling direction of light from optical device Physics 0 Active
US9790332B2 Nanostructure and optical device including the nanostructure Emerging Cross-Sectional Technologies 0 Active

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