Inventor · Seoul, KR

Chul Kyu Lee

20Patents
5h-index
38Co-inventors
69Inventor score

Filing activity: Jun 20, 1994 → May 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6052022A Voltage boosting circuits having over-voltage protection circuits therein Electricity 42 Expired
US5661688A Semiconductor memory device with an extended data output mode Physics 11 Expired
US6127861A Duty cycle adaptive data output buffer Electricity 10 Expired
US6469565B1 Duty cycle adaptive data output buffer Electricity 6 Expired
US5825713A Dual port memory device and a method therefor Physics 5 Expired
US7843264B2 Differential amplifier with accurate input offset voltage Electricity 5 Active
US9589473B1 Method and system for automatically displaying flight path, seeding path and weather data Physics 4 Active
US5479393A Video ram having an option of a full sam and a half sam Physics 2 Expired
US9575211B2 Fixed snow measuring plate Physics 2 Active
US8923043B2 Memory device using flag cells and system using the memory device Physics 2 Active
US10522804B2 Battery module having improved safety and operational lifespan Emerging Cross-Sectional Technologies 1 Active
US9935346B2 Battery module Emerging Cross-Sectional Technologies 0 Active
US10056600B2 Battery pack Emerging Cross-Sectional Technologies 0 Active
US10319980B2 Battery pack Emerging Cross-Sectional Technologies 0 Active
US8124960B2 Nitride semiconductor light emitting diode Electricity 0 Active
US12171895B2 Portable sterilization and disinfection apparatus for sterilizing and disinfecting space Emerging Cross-Sectional Technologies 0 Active
US12431777B2 Linear power generation device including output increasing element Electricity 0 Active
US9290480B2 Quinazoline-2,4-dione derivative, and medical compositions for the prophylaxis and treatment of cranial nerve disease containing the same Chemistry; Metallurgy 0 Active
US8404696B2 Quinazoline-2,4-dione derivative, and medical compositions for the prophylaxis and treatment of cranial nerve disease containing the same Chemistry; Metallurgy 0 Active
US10586972B2 Battery pack Emerging Cross-Sectional Technologies 0 Active

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