Inventor · Yongin-si, KR

David Seo

36Patents
7h-index
53Co-inventors
68Inventor score

Filing activity: Apr 28, 2005 → Sep 26, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7602042B2 Nonvolatile memory device, array of nonvolatile memory devices, and methods of making the same Electricity 17 Expired
US7521704B2 Memory device using multi-layer with a graded resistance change Physics 13 Expired
US7400027B2 Nonvolatile memory device having two or more resistance elements and methods of forming and using the same Physics 10 Expired
US9306005B2 Electronic device including graphene Electricity 10 Active
US9105556B2 Tunneling field-effect transistor including graphene channel Performing Operations; Transporting 10 Active
US7935953B2 Nonvolatile memory device, array of nonvolatile memory devices, and methods of making the same Electricity 9 Active
US9064777B2 Graphene switching device having tunable barrier Electricity 7 Active
US9040957B2 Field effect transistor using graphene Emerging Cross-Sectional Technologies 6 Active
US9768062B1 Method for forming low parasitic capacitance source and drain contacts Electricity 6 Active
US9053932B2 Methods of preparing graphene and device including graphene Electricity 6 Active
US7821809B2 Nonvolatile memory device and method including resistor and transistor Physics 5 Expired
US8421131B2 Graphene electronic device and method of fabricating the same Electricity 4 Active
US8742400B2 Graphene switching device including tunable barrier Electricity 4 Active
US8084371B2 Field effect transistors, methods of fabricating a carbon-insulating layer using molecular beam epitaxy and methods of fabricating a field effect transistor Electricity 4 Active
US8310014B2 Field effect transistors, methods of fabricating a carbon-insulating layer using molecular beam epitaxy and methods of fabricating a field effect transistor Electricity 3 Active
US9130567B2 Inverter device, NAND device, NOR device, and logic device including the same Electricity 3 Active
US9054708B2 Touch sensor and touch panel including the same Performing Operations; Transporting 2 Active
US9359211B2 Methods of fabricating graphene using alloy catalyst Chemistry; Metallurgy 2 Active
US9048310B2 Graphene switching device having tunable barrier Electricity 2 Active
US9136336B2 Inverter logic devices including graphene field effect transistor having tunable barrier Electricity 2 Active
US9166062B2 Field effect transistor using graphene Emerging Cross-Sectional Technologies 2 Active
US9108848B2 Methods of manufacturing and transferring larger-sized graphene Emerging Cross-Sectional Technologies 2 Active
US9525076B2 Memory device using graphene as charge-trap layer and method of operating the same Emerging Cross-Sectional Technologies 1 Active
US9595610B2 Field effect transistor and method of fabricating the same Electricity 1 Active
US9306021B2 Graphene devices and methods of fabricating the same Electricity 1 Active

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