Inventor · Ulsan, KR

Jong-Beom Baek

26Patents
5h-index
15Co-inventors
66Inventor score

Filing activity: Feb 27, 2002 → Oct 3, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6642347B1 Amine-terminated hyperbranched quinoxaline-amide polymers Chemistry; Metallurgy 21 Expired
US10879804B2 Switching regulator for dynamically changing output voltage and power supply circuit including the switching regulator Electricity 21 Active
US7005550B1 Arylcarbonylated vapor-grown carbon nanofibers Emerging Cross-Sectional Technologies 11 Expired
US7582719B1 Carboxylic-acid-terminated hyperbranched poly(benzoxazole) and the star block copolymers therefrom Chemistry; Metallurgy 9 Active
US6849707B1 Quinoxaline-containing hyperbranched aromatic poly(ether-ketones) Chemistry; Metallurgy 6 Expired
US6974857B1 End-capped quinoxaline-containing hyperbranched aromatic poly(ether-ketones) Chemistry; Metallurgy 5 Expired
US6639042B1 Hyperbranched poly(arylene-ether-ketone-imide) containing thermally reactive groups Chemistry; Metallurgy 5 Expired
US7960471B1 Nanocomposites from in-situ polymerization of 3-phenoxy-benzoic acid in the presence of vapor-grown carbon nanofibers Emerging Cross-Sectional Technologies 5 Active
US11258359B2 Switching regulator generating continuous output delivery current and operating method thereof Electricity 3 Active
US6512124B1 Bisphenol aryl fluoride AB2 monomer and the hyperbranched polymer therefrom Chemistry; Metallurgy 3 Expired
US9434664B2 Preparation method for edge-fluorinated graphite via mechanic-chemical process Chemistry; Metallurgy 3 Active
US6608171B1 Quinoxaline-containing hyperbranched poly(benzoxazoles) rights of the government Chemistry; Metallurgy 3 Expired
US6743889B1 Hyperbranched ether-ketone co-polymers Chemistry; Metallurgy 3 Expired
US6541633B1 Bis-(ortho-aminophenol)-carboxylic acid AB2 monomer Chemistry; Metallurgy 2 Expired
US9656871B2 Edge-functionalized graphitic material through mechanochemical process and manufacturing method thereof Performing Operations; Transporting 1 Active
US10985654B2 Switching regulator and method of operating the same Electricity 1 Active
US6552195B1 Quinoxaline-containing AB2 monomers for hyperbranched aromatic polyamides Chemistry; Metallurgy 1 Expired
US9487637B2 Water dispersible flame retardant composition comprising phosphorus-functionalized graphite preparation method thereof Emerging Cross-Sectional Technologies 0 Active
US9490040B2 Graphene for semiconductor co-doping boron and nitrogen at the same time and preparation method thereof Electricity 0 Active
US7790831B1 Hyperbranched polybenzazoles via an A3+ B2 polymerization Chemistry; Metallurgy 0 Active
US12170485B2 Switching regulator circuit Electricity 0 Active
US9249027B2 Apparatus and method for exfoliation of graphene Emerging Cross-Sectional Technologies 0 Active
US9017638B2 Graphene prepared by using edge functionalization of graphite Emerging Cross-Sectional Technologies 0 Active
US11078581B2 Catalyst composite and method for manufacturing the same Emerging Cross-Sectional Technologies 0 Active
US6979737B1 Quinoxaline-containing AB2 monomer for hyperbranched aromatic poly(ether-ketones) Chemistry; Metallurgy 0 Expired

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