Patent Assignment
Reel/Frame 022951/0408
Assignment of Assignor's Interest
Recorded: 2009-07-14
Pages: 6
Assignor
INTERNATIONAL BUSINESS MACHINES CORPORATION
Executed: 2009-06-19
Assignee
RPX CORPORATION
3 EMBARCADERO CENTER, SUITE 2310, SAN FRANCISCO, CALIFORNIA, 94111
Covered Properties
(52)
System and Method for Reducing Seek Time for Read Operations in Mirrored Dasd Files
Patent:
5,463,758 →
Application:
08/101,138 →
Digital Storage System and Method Having Alternating Deferred Updating of Mirrored Storage Disks
Patent:
5,432,922 →
Application:
08/110,467 →
Method and System for Maintaining Routing Between Mobile Workstations and Selected Network Workstation Using Routing Table Within Each Router Device in the Network
Patent:
5,530,963 →
Application:
08/168,693 →
Method for Authenticating Messages Passed Between Tasks
Patent:
5,537,642 →
Application:
08/223,357 →
Encryption Method and System
Patent:
5,548,648 →
Application:
08/276,192 →
Wireless Variable Bandwidth Air-Link System
Patent:
5,625,877 →
Application:
08/404,505 →
System and Methods for Data Encryption Using Public Key Cryptography
Patent:
5,559,889 →
Application:
08/414,852 →
System and Methods for Data Encryption Using Public Key Cryptography
Patent:
5,563,950 →
Application:
08/453,137 →
Method and Apparatus for Establishing Communications Sessions in a Remote Resource Control Environment
Patent:
5,652,908 →
Application:
08/474,528 →
Append-Only Storage in a Disk Array Using Striping and Parity Caching
Patent:
5,860,090 →
Application:
08/546,550 →
Managing Removable Media in Raid and Rail Environments
Patent:
5,864,655 →
Application:
08/709,970 →
Protecting Images with an Image Watermark
Patent:
5,825,892 →
Application:
08/738,930 →
Method and Apparatus for Redundant Disk Storage System with Offset
Patent:
5,887,128 →
Application:
08/775,060 →
Control Method and Apparatus for Direct Execution of a Program on an External Apparatus Using a Randomly Accessible and Rewritable Memory
Patent:
5,787,493 →
Application:
08/841,976 →
Disk Storage Device
Patent:
5,875,458 →
Application:
08/847,837 →
Pseudorandom Number Generator
Patent:
6,044,388 →
Application:
08/856,562 →
Method and System for for Detection and Recnstruction of Corrupted Data in Data Storage Subsystem
Patent:
5,951,691 →
Application:
08/857,890 →
Data Hiding and Extraction Methods
Patent:
6,005,643 →
Application:
08/922,701 →
Systems, Methods and Computer Program Products That Use an Encrypted Session for Additional Password Verification
Patent:
6,064,736 →
Application:
08/929,434 →
Protecting Images with an Image Watermark
Patent:
6,577,744 →
Application:
09/098,233 →
Electronic Watermarking System
Patent:
6,490,681 →
Application:
09/115,406 →
System for Downloading Data Using Video
Patent:
6,864,860 →
Application:
09/233,603 →
Method for Optimizing Profits in Electronic Delivery of Digital Objects
Patent:
6,631,413 →
Application:
09/239,008 →
Motion Picture Eletronic Watermark System
Patent:
6,785,398 →
Application:
09/266,526 →
Streaming Multimedia Network with Automatically Switchable Content Sources
Patent:
6,546,427 →
Application:
09/335,717 →
Method and Apparatus for Dynamic Distribution of Controlled and Additional Selective Overlays in a Streaming Media
Patent:
7,010,492 →
Application:
09/409,593 →
Reclaiming Memory from Deleted Applications
Patent:
6,581,133 →
Application:
09/418,332 →
Encryption/Decryption of Stored Data Using Non-Accessible, Unique Encryption Key
Patent:
7,278,016 →
Application:
09/427,250 →
Stream Continuity Enforcement
Patent:
7,039,189 →
Application:
09/528,456 →
Motion Picture Electronic Watermark System
Patent:
6,971,012 →
Application:
09/534,097 →
Data Block Update Utilizing Flash Memory Having Unused Memory Size Smaller Than the Data Block Size
Patent:
6,647,480 →
Application:
09/540,452 →
Method and Apparatus for Managing a Heterogeneous Data Storage System
Patent:
6,571,310 →
Application:
09/552,821 →
Anomaly Detection Method
Patent:
6,889,218 →
Application:
09/571,137 →
Content Data Judging Apparatus
Patent:
6,829,367 →
Application:
09/595,222 →
Apparatus and a Method for Security Authorization Using a Security Key Installed on Removable Media
Patent:
6,944,769 →
Application:
09/637,320 →
Method and System for a Random Number Generator
System and Method for Placement of User-Negotiated Security Features on Ticket Items
Electronic Product Catalog Systems
Method and Apparatus for Automotive Radio Time Shifting Personalized to Multiple Drivers
High Volume Secure Internet Server
Protecting Images with an Image Watermark
Method and Apparatus for Auto-Detection of a Configuration of a Flash Memory
Method and Apparatus for Limiting Soft Error Recovery in a Disk Drive Data Storage Device
Method of Shutting Down Virtual Machines in an Orderly Manner
Dynamic Resizing of Clickable Areas of Touch Screen Applications
System and Method for Caching and Validating User and Command Specific Server Response Messages
Method and System for Altering a Sequence Number Assignment Pattern While Preserving Integrity and High Concurrency in a Multi-System Shared Disk Environment
Method and Apparatus for Classifying Time Series Data Using Wavelet Based Approach
Resource Allocation for Voice Processing Applications
Outer and Exception Join to Inner Join Normalization
Apparatus and Method for Estimating Cardinality When Data Skew Is Present
Seamless User Interactions for Portable Storage Devices
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 21, 2016
From: RPX CORPORATION
To: NAGRAVISION S.A.
Reel/Frame 041127/0438 →
Assignment of Assignor's Interest
Dec 22, 2016
From: NAGRAVISION S.A.
To: OPENTV, INC.
Reel/Frame 040744/0679 →
Security Interest
Jun 29, 2018
From: RPX CORPORATION
To: JEFFERIES FINANCE LLC
Reel/Frame 046486/0433 →
Release of Security Interest
Oct 26, 2020
From: JEFFERIES FINANCE LLC
To: RPX CORPORATION
Reel/Frame 054486/0422 →