Inventor · Santa Clara, CA, US

James Kai

152Patents
31h-index
132Co-inventors
93Inventor score

Filing activity: Aug 13, 1996 → Jan 23, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8187936B2 Ultrahigh density vertical NAND memory device and method of making thereof Electricity 294 Active
US10629616B1 Bonded three-dimensional memory devices and methods of making the same by replacing carrier substrate with source layer Electricity 93 Active
US9502471B1 Multi tier three-dimensional memory devices including vertically shared bit lines Electricity 83 Active
US9985098B2 Bulb-shaped memory stack structures for direct source contact in three-dimensional memory device Electricity 72 Active
US6057239A Dual damascene process using sacrificial spin-on materials Electricity 72 Expired
US9576975B2 Monolithic three-dimensional NAND strings and methods of fabrication thereof Electricity 72 Active
US6263941A Nozzle for cleaving substrates Emerging Cross-Sectional Technologies 71 Expired
US6221740A Substrate cleaving tool and method Emerging Cross-Sectional Technologies 70 Expired
US6513564B2 Nozzle for cleaving substrates Emerging Cross-Sectional Technologies 68 Expired
US8928061B2 Three dimensional NAND device with silicide containing floating gates Electricity 63 Active
US9449982B2 Method of making a vertical NAND device using a sacrificial layer with air gap and sequential etching of multilayer stacks Electricity 60 Active
US10038006B2 Through-memory-level via structures for a three-dimensional memory device Electricity 58 Active
US9824966B1 Three-dimensional memory device containing a lateral source contact and method of making the same Electricity 58 Active
US9252151B2 Three dimensional NAND device with birds beak containing floating gates and method of making thereof Electricity 55 Active
US9818693B2 Through-memory-level via structures for a three-dimensional memory device Electricity 53 Active
US9922987B1 Three-dimensional memory device containing separately formed drain select transistors and method of making thereof Electricity 53 Active
US10008570B2 Bulb-shaped memory stack structures for direct source contact in three-dimensional memory device Electricity 51 Active
US9831266B2 Three-dimensional NAND device containing support pedestal structures for a buried source line and method of making the same Electricity 50 Active
US9818759B2 Through-memory-level via structures for a three-dimensional memory device Electricity 50 Active
US9972640B1 Three-dimensional memory device with self-aligned drain side select gate electrodes and method of making thereof Electricity 47 Active
US9917100B2 Three-dimensional NAND device containing support pedestal structures for a buried source line and method of making the same Electricity 42 Active
US10020363B2 Bulb-shaped memory stack structures for direct source contact in three-dimensional memory device Electricity 42 Active
US8330208B2 Ultrahigh density monolithic three dimensional vertical NAND string memory device and method of making thereof Electricity 39 Active
US9953992B1 Mid-plane word line switch connection for CMOS under three-dimensional memory device and method of making thereof Electricity 38 Active
US8461641B2 Ultrahigh density vertical NAND memory device and method of making thereof Electricity 37 Active

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