Patent assignee · US · COMPANY

TESSERA LLC

856Patents
442Active
856Granted
57Portfolio score

Filing activity: Sep 24, 1991 → Aug 7, 2023 · 126 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6001671A Methods for manufacturing a semiconductor package having a sacrificial layer Electricity 550 Expired
US5518964A Microelectronic mounting with multiple lead deformation and bonding Emerging Cross-Sectional Technologies 478 Expired
US5679977A Semiconductor chip assemblies, methods of making same and components for same Emerging Cross-Sectional Technologies 430 Expired
US5659952A Method of fabricating compliant interface for semiconductor chip Emerging Cross-Sectional Technologies 367 Expired
US5455390A Microelectronics unit mounting with multiple lead bonding Emerging Cross-Sectional Technologies 333 Expired
US5802699A Methods of assembling microelectronic assembly with socket for engaging bump leads Emerging Cross-Sectional Technologies 326 Expired
US6225688A Stacked microelectronic assembly and method therefor Electricity 313 Expired
US5861666A Stacked chip assembly Electricity 309 Expired
US6121676A Stacked microelectronic assembly and method therefor Electricity 290 Expired
US5347159A Semiconductor chip assemblies with face-up mounting and rear-surface connection to substrate Electricity 262 Expired
US6294830A Microelectronic assembly with conductive terminals having an exposed surface through a dielectric layer Electricity 248 Expired
US7176506B2 High frequency chip packages with connecting elements Emerging Cross-Sectional Technologies 238 Expired
US6177636A Connection components with posts Emerging Cross-Sectional Technologies 233 Expired
US5536909A Semiconductor connection components and methods with releasable lead support Emerging Cross-Sectional Technologies 218 Expired
US5980270A Soldering with resilient contacts Emerging Cross-Sectional Technologies 217 Expired
US6313528A Compliant multichip package Electricity 213 Expired
US6239384A Microelectric lead structures with plural conductors Electricity 209 Expired
US6211572A Semiconductor chip package with fan-in leads Electricity 208 Expired
US5801441A Microelectronic mounting with multiple lead deformation and bonding Emerging Cross-Sectional Technologies 204 Expired
US5688716A Fan-out semiconductor chip assembly Electricity 192 Expired
US6133072A Microelectronic connector with planar elastomer sockets Emerging Cross-Sectional Technologies 191 Expired
US6086386A Flexible connectors for microelectronic elements Emerging Cross-Sectional Technologies 191 Expired
US5258330A Semiconductor chip assemblies with fan-in leads Emerging Cross-Sectional Technologies 181 Expired
US5346861A Semiconductor chip assemblies and methods of making same Emerging Cross-Sectional Technologies 179 Expired
US6117694A Flexible lead structures and methods of making same Electricity 178 Expired

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