Patent Assignment
Reel/Frame 075564/0392
Notice of Grant of Security Interest in Intellectual Property
Recorded: 2026-05-12
Pages: 8
Assignor
WOLFSPEED, INC.
Executed: 2026-05-12
Assignee
U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
333 COMMERCE STREET, SUITE 900, NASHVILLE, TENNESSEE, 37201
Covered Properties
(20)
Methods of Forming Ohmic Layers Through Ablation Capping Layers
Power Switching Semiconductor Devices Including Rectifying Junction-Shunts
Methods of Forming Power Switching Semiconductor Devices Including Rectifying Junction-Shunts
Power Switching Semiconductor Devices Including Rectifying Junction-Shunts
Vertical Power Transistor Device
Vertical Power Transistor Device
Patent:
48,380 →
Application:
15/970,148 →
Vertical Power Transistor Device
Patent:
49,913 →
Application:
17/080,062 →
Process for Producing Silicon Carbide Crystals Having Increased Minority Carrier Lifetimes
Three Inch Silicon Carbide Wafer with Low Warp, Bow, and Ttv
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
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
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 22, 2005
From: POWELL, ADRIAN; BRIXIUS, WILLIAM H.; LEONARD, ROBERT; MCCLURE, DAVIS ANDREW
To: CREE, INC.
Reel/Frame 016385/0034 →
Assignment of Assignor's Interest
Jun 24, 2005
From: CARTER, CALVIN H., JR.; JENNY, JASON R.; MALTA, DAVID P.; HOBGOOD, HUDSON M.
To: CREE, INC.
Reel/Frame 016658/0136 →
Assignment of Assignor's Interest
Nov 2, 2006
From: AGARWAL, ANANT K.; RYU, SEI-HYUNG; DONOFRIO, MATTHEW
To: CREE, INC.
Reel/Frame 018481/0981 →
Assignment of Assignor's Interest
Nov 3, 2006
From: RYU, SEI-HYUNG; AGARWAL, ANANT K
To: CREE, INC.
Reel/Frame 018479/0486 →
Assignment of Assignor's Interest
Nov 9, 2006
From: HEFNER, ALLEN R., JR., DR
To: GOVERNMENT OF THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE, THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY
Reel/Frame 018500/0189 →
Confirmatory License
Nov 30, 2006
From: CREE INCORPORATED
To: NAVY, SECRETARY OF THE UNITED STATES OF AMERICA
Reel/Frame 018641/0789 →
Assignment of Assignor's Interest
May 8, 2007
From: O'LOUGHLIN, MICHAEL JOHN; SUMAKERIS, JOSEPH JOHN
To: CREE, INC.
Reel/Frame 019263/0355 →
Assignment of Assignor's Interest
Jun 15, 2007
From: MAYER, ERIC; ALBERTI, MARC
To: CREE, INC.
Reel/Frame 019434/0119 →
Assignment of Assignor's Interest
Oct 4, 2007
From: BASCERI, CEM; KHLEBNIKOV, YURI; KHLEBNIKOV, IGOR; BALKAS, CENGIZ
To: CREE, INC.
Reel/Frame 019934/0247 →
Assignment of Assignor's Interest
Dec 27, 2007
From: BASCERI, CEM; KHLEBNIKOV, YURI; KHLEBNIKOV, IGOR; BALKAS, CENGIZ
To: CREE, INC.
Reel/Frame 020308/0821 →
Assignment of Assignor's Interest
Mar 17, 2008
From: ZHANG, QINGCHUN; JONAS, CHARLOTTE; AGARWAL, ANANT K.
To: CREE, INC.
Reel/Frame 020658/0127 →
Assignment of Assignor's Interest
Oct 13, 2011
From: RYU, SEI HYUNG; CAPELL, DOYLE CRAIG; CHENG, LIN; DHAR, SARIT
To: CREE, INC.
Reel/Frame 027054/0315 →
Assignment of Assignor's Interest
Oct 13, 2011
From: RYU, SEI HYUNG; CAPELL, DOYLE CRAIG; CHENG, LIN; DHAR, SARIT
To: CREE, INC.
Reel/Frame 027055/0632 →
Assignment of Assignor's Interest
Jan 3, 2012
From: HENNING, JASON; ZHANG, QINGCHUN; RYU, SEI-HYUNG
To: CREE, INC.
Reel/Frame 027469/0101 →
Confirmatory License
Nov 14, 2012
From: CREE INCORPORATED
To: NAVY, SECRETARY OF THE UNITED STATES OF AMERICA
Reel/Frame 029360/0857 →
Change of Name
Oct 22, 2021
From: CREE, INC.
To: WOLFSPEED, INC.
Reel/Frame 057891/0880 →
Security Interest
Jun 30, 2023
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 064185/0755 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0588 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0467 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0381 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0113 →
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 074050/0033 →
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 074050/0001 →