IP Library › Assignment 028257/0785
Patent Assignment
Reel/Frame 028257/0785

Assignment of Assignor's Interest

Recorded: 2012-05-23 Pages: 3
Assignor
ZHANG, QINGCHUN
Executed: 2012-05-10
Assignee
CREE, INC.
4600 SILICON DRIVE, DURHAM, NORTH CAROLINA, 27703
Covered Property (1)
Optically Assist-Triggered Wide Bandgap Thyristors Having Positive Temperature Coefficients
Patent: 9,171,977 →
Application: 13/461,049 →
Publication: US 2012/0319133
Related Assignments (7)
Other recorded transfers of the patent 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 Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0113 →
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 072992/0467 →
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 Mar 26, 2026
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 075280/0919 →