Patent assignee · US · COMPANY

STMICROELECTRONICS, INC.

3,635Patents
1,477Active
3,635Granted
55Portfolio score

Filing activity: Dec 24, 1984 → Feb 7, 2024 · 420 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6157578A Method and apparatus for accessing a memory device Physics 420 Expired
US6392636B1 Touchpad providing screen cursor/pointer movement control Physics 269 Expired
US6731514B2 Stackable module Electricity 264 Expired
US6408087B1 Capacitive semiconductor user input device Physics 237 Expired
US5128559A Logic block for programmable logic devices Electricity 235 Expired
US6005818A Dynamic random access memory device with a latching mechanism that permits hidden refresh operations Physics 230 Expired
US7348802B2 Differential receiver Electricity 196 Expired
US6362578B1 LED driver circuit and method Electricity 181 Expired
US5642261A Ball-grid-array integrated circuit package with solder-connected thermal conductor Emerging Cross-Sectional Technologies 178 Expired
US5491703A Cam with additional row cells connected to match line Physics 171 Expired
US5473267A Programmable logic device with memory that can store routing data of logic data Electricity 171 Expired
US6326689A Backside contact for touchchip Electricity 161 Expired
US6439464B1 Dual mode smart card and associated methods Physics 156 Expired
US4964079A Electrically programmable memory with several information bits per cell Physics 139 Expired
US7425984B2 Compound camera and methods for implementing auto-focus, depth-of-field and high-resolution functions Physics 138 Expired
US4912345A Programmable summing functions for programmable logic devices Electricity 133 Expired
US5420447A Double buffer base gate array cell Electricity 132 Expired
US5973623A Solid state capacitive switch Electricity 132 Expired
US6317508A Scanning capacitive semiconductor fingerprint detector Physics 129 Expired
US6512381B2 Enhanced fingerprint detection Physics 128 Expired
US6836081B2 LED driver circuit and method Electricity 124 Expired
US5812789A Video and/or audio decompression and/or compression device that shares a memory interface Electricity 122 Expired
US6243778A Transaction interface for a data communication system Electricity 121 Expired
US6108455A Non-linear image filter for filtering noise Electricity 120 Expired
US5648670A Trench MOS-gated device with a minimum number of masks Electricity 115 Expired

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