Patent assignee · US · COMPANY

MATRIX SEMICONDUCTOR, INC.

144Patents
0Active
144Granted
43Portfolio score

Filing activity: Nov 16, 1998 → Apr 11, 2005

Most-cited patents

PatentTitleAreaCited byStatus
US6034882A Vertically stacked field programmable nonvolatile memory and method of fabrication Physics 1,152 Expired
US6420215B1 Three-dimensional memory array and method of fabrication Electricity 824 Expired
US6185122A Vertically stacked field programmable nonvolatile memory and method of fabrication Physics 620 Expired
US7005350B2 Method for fabricating programmable memory array structures incorporating series-connected transistor strings Electricity 385 Expired
US6580124B1 Multigate semiconductor device with vertical channel current and method of fabrication Physics 380 Expired
US6351406B1 Vertically stacked field programmable nonvolatile memory and method of fabrication Physics 355 Expired
US6881994B2 Monolithic three dimensional array of charge storage devices containing a planarized surface Electricity 349 Expired
US6525953B1 Vertically-stacked, field-programmable, nonvolatile memory and method of fabrication Physics 324 Expired
US6888750B2 Nonvolatile memory on SOI and compound semiconductor substrates and method of fabrication Electricity 318 Expired
US6841813B2 TFT mask ROM and method for making same Electricity 308 Expired
US6483736B2 Vertically stacked field programmable nonvolatile memory and method of fabrication Physics 305 Expired
US6677204B2 Multigate semiconductor device with vertical channel current and method of fabrication Physics 303 Expired
US6627530B2 Patterning three dimensional structures Electricity 300 Expired
US6815781B2 Inverted staggered thin film transistor with salicided source/drain structures and method of making same Electricity 293 Expired
US6952030B2 High-density three-dimensional memory cell Electricity 240 Expired
US7023739B2 NAND memory array incorporating multiple write pulse programming of individual memory cells and method for operation of same Physics 233 Expired
US6407953B1 Memory array organization and related test method particularly well suited for integrated circuits having write-once memory arrays Physics 203 Expired
US6946719B2 Semiconductor device including junction diode contacting contact-antifuse unit comprising silicide Electricity 201 Expired
US6653712B2 Three-dimensional memory array and method of fabrication Electricity 186 Expired
US6631085B2 Three-dimensional memory array incorporating serial chain diode stack Physics 168 Expired
US6486728B2 Multi-stage charge pump Electricity 166 Expired
US6515888B2 Low cost three-dimensional memory array Electricity 156 Expired
US6879505B2 Word line arrangement having multi-layer word line segments for three-dimensional memory array Physics 154 Expired
US6385074B1 Integrated circuit structure including three-dimensional memory array Electricity 123 Expired
US6952043B2 Electrically isolated pillars in active devices Electricity 118 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.