Inventor · Seoul, KR

Yong-su Kim

85Patents
8h-index
93Co-inventors
81Inventor score

Filing activity: Sep 12, 1996 → Apr 17, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9097450B2 Refrigerator and ice maker with optical sensor to detect ice level Mechanical Engineering; Lighting; Heating 17 Active
US7770408B2 Ice supplier Mechanical Engineering; Lighting; Heating 16 Active
US7902579B2 Magnetic memory devices using magnetic domain dragging Electricity 14 Active
US7796360B2 Perpendicular magnetic recording head and method of manufacturing the same Physics 13 Active
US8635877B2 Ice detecting apparatus of ice maker for refrigerator and ice detecting method thereof Mechanical Engineering; Lighting; Heating 13 Active
US8011202B2 Auger in ice bin and refrigerating machine having the same Mechanical Engineering; Lighting; Heating 12 Active
US6459871B2 Photosensitive belt cartridge of electrophotographic image forming apparatus and photosensitive belt installation device and method employing same Physics 8 Expired
US8959939B2 Refrigerator and ice maker with optical sensor to detect ice level Mechanical Engineering; Lighting; Heating 8 Active
US7075199B2 Reciprocating motor and reciprocating compressor having the same Electricity 6 Expired
US10110378B2 Apparatus and method for stablizing quantum cryptography system Electricity 6 Active
US8616013B2 Ice detecting method and apparatus for a refrigerator Mechanical Engineering; Lighting; Heating 6 Active
US7379276B2 Magnetic recording head having a plurality of shield layers Physics 6 Expired
US8459055B2 Auger in ice bin and refrigerating machine having the same Mechanical Engineering; Lighting; Heating 5 Active
US9409816B2 High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof Chemistry; Metallurgy 5 Active
US7684233B2 Multi-bit magnetic memory device using spin-polarized current and methods of manufacturing and operating the same Electricity 5 Active
US7817461B2 Data storage device using magnetic domain wall movement and method of operating the same Physics 5 Active
US7639454B2 Perpendicular magnetic recording head comprising gap shield Physics 5 Active
US6766130B2 Liquid developer imaging system Physics 5 Expired
US7372757B2 Magnetic memory device with moving magnetic domain walls Physics 5 Active
US8393164B2 Ice amount detecting method of ice detecting apparatus of ice maker for refrigerator Mechanical Engineering; Lighting; Heating 5 Active
US8233236B2 Magnetic write head with side shield and gap layer Physics 4 Active
US9926223B2 Dental glass-ceramics block bonded with abutment and preparation method thereof Chemistry; Metallurgy 3 Active
US7903372B2 Magnetic recording head and method of manufacturing the same Emerging Cross-Sectional Technologies 3 Active
US6683748B2 Vertical writing type magnetic head Physics 3 Expired
US7948707B2 Magnetic recording medium, method of recording servo pattern on magnetic recording medium, and magnetic head Physics 3 Active

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