IP Library › Assignment 020013/0496
Patent Assignment
Reel/Frame 020013/0496

Assignment of Assignor's Interest

Recorded: 2007-10-24 Pages: 3
Assignor
ZHANG, QINGCHUNG
Executed: 2007-03-21
Assignee
CREE, INC.
4600 SILICON DRIVE, DURHAM, NORTH CAROLINA, 27703
Covered Property (1)
Insulated Gate Bipolar Transistors Including Current Suppressing Layers
Patent: 8,835,987 →
Application: 11/711,383 →
Publication: US 2010/0140628
Related Assignments (9)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Conveying Party Data: Qingchung Zhang Previously Recorded on Reel 020013 Frame 0496. Assignor(S) Hereby Confirms the Conveying Party Data Should Read: Qingchun Zhang. Nov 30, 2007
From: ZHANG, QINGCHUN
To: CREE, INC.
Reel/Frame 020184/0223 →
Confirmatory License Nov 14, 2012
From: CREE INCORPORATED
To: NAVY, SECRETARY OF THE UNITED STATES OF AMERICA
Reel/Frame 029360/0950 →
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 072992/0467 →
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 072992/0588 →
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 072992/0113 →
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 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 Mar 26, 2026
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 075280/0919 →