Patent assignee · JP · COMPANY

NEC Electronics Corporation

2,532Patents
920Active
2,532Granted
53Portfolio score

Filing activity: Mar 28, 1988 → Jul 19, 2010 · 920 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7122912B2 Chip and multi-chip semiconductor device using thereof and method for manufacturing same Emerging Cross-Sectional Technologies 301 Expired
US6841880B2 Semiconductor device and method of fabricating semiconductor device with high CMP uniformity and resistance to loss that occurs in dicing Electricity 197 Expired
US6571379B2 Semiconductor integrated circuit and semiconductor integrated circuit wiring layout method Electricity 194 Expired
US7294534B2 Interconnect layout method Electricity 192 Expired
US6650014B2 Semiconductor device Electricity 183 Expired
US7361952B2 Semiconductor apparatus and method of manufacturing the same Electricity 182 Expired
US7376931B2 Method for providing layout design and photo mask Electricity 177 Expired
US6167486A Parallel access virtual channel memory system with cacheable channels Physics 164 Expired
US5666322A Phase-locked loop timing controller in an integrated circuit memory Physics 153 Expired
US6327642A Parallel access virtual channel memory system Physics 153 Expired
US6477621B1 Parallel access virtual channel memory system Physics 145 Expired
US5442770A Triple port cache memory Physics 143 Expired
US6885356B2 Active-matrix type display device Emerging Cross-Sectional Technologies 139 Expired
US6888194B2 Nonvolatile semiconductor memory device, manufacturing method thereof, and operating method thereof Physics 132 Expired
US6762488B2 Light thin stacked package semiconductor device and process for fabrication thereof Electricity 125 Expired
US5331571A Testing and emulation of integrated circuits Physics 118 Expired
US7514766B2 Semiconductor device Electricity 108 Active
US7795721B2 Semiconductor device and method for manufacturing the same Electricity 106 Expired
US6851081B2 Semiconductor memory device having ECC type error recovery circuit Physics 105 Expired
US7569894B2 Semiconductor device with NMOS transistors arranged continuously Electricity 104 Active
US6885045B2 Layout structure of multiplexer cells Electricity 104 Expired
US6998712B2 Semiconductor device and method for manufacturing the same Electricity 93 Expired
US6850449B2 Semiconductor memory device having mode storing one bit data in two memory cells and method of controlling same Physics 85 Expired
US6791195B2 Semiconductor device and manufacturing method of the same Electricity 80 Expired
US6480980B2 Combinational test pattern generation method and apparatus Physics 76 Expired

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