Inventor · Yokosuka, JP

Doohwan Lee

37Patents
3h-index
54Co-inventors
66Inventor score

Filing activity: Dec 7, 2001 → Jan 3, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US11139867B2 Antenna displacement correction method and device for OAM multiplexing communication system Electricity 5 Active
US11202211B2 OAM multiplexing communication system and OAM multiplexing communication method Electricity 4 Active
US11228363B2 OAM multiplexing communication system and inter-mode interference elimination method Electricity 4 Active
US11289456B2 Semiconductor package Electricity 2 Active
US10873376B2 OAM multiplexing communication system, OAM multiplexing transmission device, OAM multiplexing receiving device, and OAM multiplexing communication method Electricity 1 Active
US11355445B2 Semiconductor packages Electricity 1 Active
US11735532B2 Semiconductor packages Electricity 1 Active
US7758984B2 Shift reactor, fuel cell system employing the same, and operating method of the same Emerging Cross-Sectional Technologies 1 Active
US11444706B2 Antenna module including communication module capable of determining abnormality of transmission or reception path Electricity 1 Active
US11127646B2 Fan-out semiconductor package Electricity 1 Active
US12283446B2 Switch and electronic device including the same Performing Operations; Transporting 0 Active
US12205939B2 Semiconductor package Electricity 0 Active
US9136893B2 Receiver Electricity 0 Active
US8101306B2 Fuel cell system with fuel reforming units Emerging Cross-Sectional Technologies 0 Active
US11581263B2 Semiconductor package, and package on package having the same Electricity 0 Active
US11721577B2 Semiconductor package and method of manufacturing the same Electricity 0 Active
US11342239B2 Semiconductor package Electricity 0 Active
US11676915B2 Semiconductor package Electricity 0 Active
US11158581B2 Semiconductor package having semiconductor chip between first and second redistribution layers Electricity 0 Active
US11043446B2 Semiconductor package Electricity 0 Active
US11901301B2 Semiconductor package Electricity 0 Active
US6728463B2 Optical attenuator using multi-mode interference Physics 0 Expired
US11201397B2 Circuit and wireless device Electricity 0 Active
US12315822B2 Methods of manufacturing a fan-out panel level semiconductor package Electricity 0 Active
US11121069B2 Semiconductor package including capping pad having crystal grain of different size Electricity 0 Active

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