Patent Assignment
Reel/Frame 074049/0988
Notice of Grant of Security Interest in Intellectual Property
Recorded: 2025-12-23
Pages: 7
Assignor
WOLFSPEED, INC.
Executed: 2025-12-23
Assignee
U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
333 COMMERCE STREET, SUITE 900, NASHVILLE, TENNESSEE, 37201
Covered Properties
(16)
Process for Producing Silicon Carbide Crystals Having Increased Minority Carrier Lifetimes
Three Inch Silicon Carbide Wafer with Low Warp, Bow, and Ttv
Low Basal Plane Dislocation Bulk Grown Sic Wafers
Methods of Processing Semiconductor Wafers Having Silicon Carbide Power Devices Thereon
Reduction of Carrot Defects in Silicon Carbide Epitaxy
Micropipe-Free Silicon Carbide and Related Method of Manufacture
Micropipe-Free Silicon Carbide and Related Method of Manufacture
Low Micropipe 100 mm Silicon Carbide Wafer
Low 1C Screw Dislocation 3 Inch Silicon Carbide Wafer
Double Guard Ring Edge Termination for Silicon Carbide Devices
Methods of Processing Semiconductor Wafers Having Silicon Carbide Power Devices Thereon
Junction Termination Structures Including Guard Ring Extensions and Methods of Fabricating Electronic Devices Incorporating Same
Field Effect Transistor Devices with Low Source Resistance
Field Effect Transistor Devices with Low Source Resistance
Localized Annealing of Metal-Silicon Carbide Ohmic Contacts and Devices So Formed
Junction Termination Structures Including Guard Ring Extensions and Methods of Fabricating Electronic Devices Incorporating Same
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Security Interest
Jun 30, 2023
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 064185/0755 →
Release of Security Interest in Intellectual Property Collateral at Reel/Frame No. 64185/0755
Sep 30, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: WOLFSPEED, INC.
Reel/Frame 072989/0001 →
Notice of Grant of Security Interest in Intellectual Property
Dec 23, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 074050/0001 →
Notice of Grant of Security Interest in Intellectual Property
Dec 23, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 074050/0026 →
Notice of Grant of Security Interest in Intellectual Property
Dec 23, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 074050/0033 →