Inventor · Hopewell Junction, NY, US

Kisik Choi

100Patents
9h-index
107Co-inventors
79Inventor score

Filing activity: Sep 22, 2005 → Sep 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8048791B2 Method of forming a semiconductor device Electricity 122 Active
US9012319B1 Methods of forming gate structures with multiple work functions and the resulting products Electricity 71 Active
US9093467B1 Methods of forming gate structures for semiconductor devices using a replacement gate technique and the resulting devices Electricity 55 Active
US9257348B2 Methods of forming replacement gate structures for transistors and the resulting devices Electricity 31 Active
US7332433B2 Methods of modulating the work functions of film layers Electricity 17 Expired
US9105497B2 Methods of forming gate structures for transistor devices for CMOS applications Electricity 15 Active
US8941184B2 Low threshold voltage CMOS device Electricity 13 Active
US9040404B2 Replacement metal gate structure for CMOS device Electricity 12 Active
US8987126B2 Integrated circuit and method for fabricating the same having a replacement gate structure Electricity 9 Active
US8932923B2 Semiconductor gate structure for threshold voltage modulation and method of making same Electricity 8 Active
US8354719B2 Finned semiconductor device with oxygen diffusion barrier regions, and related fabrication methods Electricity 8 Active
US8999831B2 Method to improve reliability of replacement gate device Electricity 8 Active
US9362283B2 Gate structures for transistor devices for CMOS applications and products Electricity 6 Active
US10748812B1 Air-gap containing metal interconnects Electricity 6 Active
US8552505B1 Integrated circuits having improved metal gate structures and methods for fabricating same Electricity 6 Active
US9349823B2 Methods of scaling thickness of a gate dielectric structure, methods of forming an integrated circuit, and integrated circuits Electricity 5 Active
US10629499B2 Method and structure for forming a vertical field-effect transistor using a replacement metal gate process Electricity 5 Active
US9496143B2 Metal gate structure for midgap semiconductor device and method of making same Electricity 4 Active
US9041118B2 Replacement metal gate structure for CMOS device Electricity 4 Active
US8236686B2 Dual metal gates using one metal to alter work function of another metal Electricity 4 Active
US10943990B2 Gate contact over active enabled by alternative spacer scheme and claw-shaped cap Electricity 4 Active
US9263344B2 Low threshold voltage CMOS device Electricity 4 Active
US9024388B2 Methods of forming gate structures for CMOS based integrated circuit products and the resulting devices Electricity 4 Active
US8786030B2 Gate-last fabrication of quarter-gap MGHK FET Electricity 4 Active
US9472643B2 Method to improve reliability of replacement gate device Electricity 3 Active

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