Patent Assignment
Reel/Frame 073121/0549
Assignment of Assignor's Interest
Recorded: 2025-10-20
Pages: 19
Assignor
SPIRENT COMMUNICATIONS, INC.
Executed: 2025-10-16
Assignee
VIAVI SOLUTIONS LICENSING LLC
1445 SOUTH SPECTRUM BOULEVARD, SUITE 102, CHANDLER, ARIZONA, 85286
Covered Properties
(57)
Method and System for End-to-End Calibration of a Channel Emulator
Application:
18/817,156 →
Methods and Apparatuses for Generating Network Test Packets and Parts of Network Test Packets
Method and Device Using Test Data Streams Bound to Emulated Devices
Patent:
7,826,381 →
Application:
12/130,944 →
Realtime Test Result Promulgation from Network Component Test Device
Method and Apparatus for Emulating Network Devices
Method and Apparatus for Emulating Network Devices
Methods and Apparatuses for Enhanced Transmission Selection-Capable Simulated Traffic Generation
Transceiver Port Apparatus and Method
Secure Authorization of Modules Running on Virtualized Hardware
Systems and Methods of Building Sequenceable Test Methodologies
System and Method of Test Iteration via Property Chaining
Accurate Generation of Multiple Dimensions of Computer Load
Reducing Cache Memory Requirements for Recording Statistics from Testing with a Multiplicity of Flows
Effective Correlation of Multiple Time-Series Result Sets
Effective Correlation of Multiple Time-Series Result Sets
Efficient Real-Time 802.11AX Ofdma Statistics Logging
Hot Swappable and Externally Accessible Fan Tray and Enclosure Configured to House the Hot Swappable and Externally Accessible Fan Tray
Generation of Data Packets for High Speed Network Testing Using Range Variable Field Modifiers
Resilient Coordination, Command, and Control of Widely Distributed Test Agents
Patent:
11,650,892 →
Application:
17/225,940 →
Dual Frame Sequence Tables for Network Testing
Method and Apparatus for Placing a Timestamp in a Frame
Signature Field in a Latency Measurement Frame
Method and Device For Quasi-Proxy Assisted Manual Device Testing
Test Driven Deployment and Monitoring of Heterogeneous Network Systems
Portable Program for Generating Attacks on Communication Protocols and Channels
Analyzing the Security of Communication Protocols and Channels for a Pass Through Device
Platform for Analyzing the Security of Communication Protocols and Channels
Reconfigurable Message-Delivery Preconditions for Delivering Attacks to Analyze the Security of Networked Systems
Modification of Messages for Analyzing the Security of Communication Protocols and Channels
Scalable Control System for Test Execution and Monitoring Utilizing Multiple Processors
Patent:
8,464,219 →
Application:
13/095,807 →
Generating Communication Protocol Test Cases Based on Network Traffic
Patent:
8,547,974 →
Application:
13/101,728 →
Scenario Based Scale Testing
Patent:
8,463,860 →
Application:
13/118,155 →
Pass-Through Testing Using Message Exchange Identifiers
Patent:
8,612,530 →
Application:
13/279,983 →
Generating Test Scenarios from Application-Layer Messages
Patent:
8,799,714 →
Application:
13/413,353 →
Conducting Performance Snapshots During Test and Using Feedback to Control Test Based on Customer Experience Parameters
Method to Configure Monitoring Thresholds Using Output of Load or Resource Loadings
Streamlining Cryptographic Processes in a Test Environment
Network Testing Methods and Systems
Patent:
7,620,989 →
Application:
11/061,102 →
Meta-Instrumentation for Security Analysis
Patent:
7,774,637 →
Application:
11/850,164 →
Syntax-Based Security Analysis Using Dynamically Generated Test Cases
Emulation and Controlled Testing of Mimo Ota Channels
Virtual Drive Test Tool
Patent:
8,781,797 →
Application:
12/850,986 →
Method and Apparatus for Virtual Desktop Ota
Method and Apparatus for Virtual Desktop OTA
Three Dimensional Over the Air Antenna Performance Evaluation
Method for Over-the-Air Measurement Signal Generation
Automatic Phase Calibration
Systems and Methods of Testing Adaptive Antennas
Massive Mimo Array Emulation
Over the Air Testing for Massive Mimo Arrays
Over the Air Testing for Massive MIMO Arrays
Massive Mimo Array Testing Using a Programmable Phase Matrix and Channel Emulator
Calibrating a Programmable Phase Matrix and Channel Emulator and Performing Massive Mimo Array Testing Using the Calibrated Phase Matrix and Channel Emulator
Positioning and Weighting Test Probes in an Anechoic Chamber
Patent:
12,078,667 →
Application:
17/175,545 →
Mobile-Assisted Phase Calibration Method and System
Emulation and Controlled Testing of Mimo Ota Channels
PCT:
PCT/US2010/024204 ↗
Method and Apparatus for Virtual Desktop Ota
PCT:
PCT/US2010/024202 ↗
Related Assignments
(20)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 5, 2008
From: JOYNER, DAVID
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 021340/0880 →
Assignment of Assignor's Interest
Aug 12, 2008
From: KASTUAR, ABHITESH; KHO, JAN-MICHAEL; LEI, KACHON
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 021375/0908 →
Assignment of Assignor's Interest
Jul 27, 2009
From: JOYNER, DAVID; ROUSEY, KRIS
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 023010/0629 →
Assignment of Assignor's Interest
Aug 18, 2011
From: HATLEY, WILLIAM T.
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 026774/0602 →
Assignment of Assignor's Interest
Dec 16, 2011
From: AU, GABRIEL K.; YAMASHITA, ROBERT D.; TUNG, KIN HO
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 027398/0938 →
Assignment of Assignor's Interest
Apr 4, 2013
From: SILVERMAN, BRIAN, MR.; MCBEATH, TOM, MR.; KASTUAR, ABHITESH, MR.; RATHON, SERGEY, MR.
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 030155/0480 →
Assignment of Assignor's Interest
Sep 9, 2014
From: MCBEATH, THOMAS R.
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 033699/0397 →
Assignment of Assignor's Interest
Oct 1, 2015
From: PLAYER, TIMMONS; JOYNER, DAVID
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 036703/0081 →
Assignment of Assignor's Interest
Dec 11, 2015
From: KODAMA, GREG; LEI, KAHOU; WANG, GWO-JIEH; CASTELLI, BRIAN
To: SPIRENT COMMUNICATIONS, INC
Reel/Frame 037265/0870 →
Assignment of Assignor's Interest
Dec 11, 2015
From: KODAMA, GREG; LEI, KAHOU; WANG, GWO-JIEH; ANDREWS, BARRY
To: SPIRENT COMMUNICATIONS, INC.,
Reel/Frame 037268/0695 →
Assignment of Assignor's Interest
Jul 15, 2016
From: KUNIMITSU, JOCELYN; FUJIKAMI, CRAIG
To: SPIRENT COMMUNICATIONS, INC
Reel/Frame 039171/0042 →
Assignment of Assignor's Interest
Apr 24, 2019
From: JOYNER, DAVID; PATEL, RAHUL
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 048987/0246 →
Assignment of Assignor's Interest
Apr 23, 2021
From: RUMSBY, STEVEN R.; DONG, FENGBIN; JIN, LIANG
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 056027/0996 →
Assignment of Assignor's Interest
Nov 22, 2021
From: JOYNER, DAVID; PATEL, RAHUL
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 058187/0979 →
Assignment of Assignor's Interest
Jan 20, 2022
From: DIKKEN, FRANK; DUONG, DON CHI
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 058701/0737 →
Assignment of Assignor's Interest
Mar 29, 2022
From: KUNIMITSU, JOCELYN; FUJIKAMI, CRAIG
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 059425/0142 →
Assignment of Assignor's Interest
Sep 11, 2024
From: REED, JOHN DOUGLAS; RODRIGUEZ-HERRERA, ALFONSO
To: SPIRENT COMMUNICATIONS, INC.
Reel/Frame 068559/0693 →
Security Agreement
Oct 21, 2025
From: INERTIAL LABS, INC.; VIAVI SOLUTIONS INC.; VIAVI SOLUTIONS LICENSING LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 073189/0873 →
Security Interest
Nov 14, 2025
From: VIAVI SOLUTIONS INC.; VIAVI SOLUTIONS LICENSING LLC; INERTIAL LABS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 073571/0137 →
Release of Security Interest at Reel/Frame 73189/0873
May 28, 2026
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: INERTIAL LABS, INC.; VIAVI SOLUTIONS INC.; VIAVI SOLUTIONS LICENSING LLC
Reel/Frame 075642/0381 →