Patent assignee · FR · COMPANY

InterDigital Patent Holdings, Inc.

2,311Patents
2,293Active
2,311Granted
69Portfolio score

Filing activity: Oct 3, 1990 → Dec 3, 2024 · 124 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9253588B2 Virtual subscriber identity module Electricity 128 Active
US8934459B2 Maintaining time alignment with multiple uplink carriers Electricity 105 Active
US8873443B2 Method and apparatus for power control for wireless transmissions on multiple component carriers associated with multiple timing advances Emerging Cross-Sectional Technologies 104 Active
US8767585B2 Method and apparatus for random access in multicarrier wireless communications Electricity 98 Active
US8533803B2 Method and apparatus for trusted federated identity Electricity 90 Active
US8917605B2 Component carrier activation/deactivation in multi-carrier systems Electricity 87 Active
US10462674B2 Methods and apparatus for spectrum coordination Electricity 85 Active
US9503989B2 Method and apparatus for power control for wireless transmissions on multiple component carriers associated with multiple timing advances Emerging Cross-Sectional Technologies 81 Active
US9277412B2 Coordination of silent periods for dynamic spectrum manager (DSM) Electricity 75 Active
US9232342B2 Methods, systems and apparatuses for application service layer (ASL) inter-networking Electricity 72 Active
US8848640B2 Method and apparatus for bandwidth aggregation for IP flow Electricity 72 Active
US8705461B2 Control channel signaling and acquisition for carrier aggregation Electricity 72 Active
US8774819B2 Method and apparatus for contention-based uplink data transmission Electricity 70 Active
US9769692B2 Dynamic spectrum management Electricity 69 Active
US9749968B2 Uplink sounding reference signals configuration and transmission Electricity 64 Active
US9253643B2 Method and apparatus for H(e)NB integrity verification and validation Electricity 58 Active
US8199757B2 Method and apparatus for layer 2 processing and creation of protocol data units for wireless communications Electricity 54 Active
US9485060B2 Uplink control data transmission Electricity 50 Active
US10098070B2 Method and apparatus for power control for wireless transmissions on multiple component carriers associated with multiple timing advances Emerging Cross-Sectional Technologies 50 Active
US9426305B2 Sponsoring of a mobile station session by another mobile station in a wireless network Electricity 48 Active
US8249004B2 Coordinated uplink transmission in LTE DRX operations for a wireless transmit receive unit Emerging Cross-Sectional Technologies 46 Active
US8068511B2 Method and apparatus for sending feedback for a downlink shared service and estimating a number of wireless transmit/receive units Electricity 43 Active
US10531365B2 Optimizations for relay communications Electricity 42 Active
US8510559B2 Secure session key generation Electricity 40 Active
US9113450B2 Operating with multiple schedulers in a wireless system Electricity 40 Active

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