IP Library › Assignment 030681/0944
Patent Assignment
Reel/Frame 030681/0944

Assignment of Assignor's Interest

Recorded: 2013-06-25 Pages: 3
Assignor
RYU, SEI-HYUNG
Executed: 2013-06-21
Assignee
CREE, INC.
4600 SILICON DRIVE, DURHAM, NORTH CAROLINA, 27703
Covered Property (1)
Vertical Power Transistor with Built-in Gate Buffer
Patent: 9,184,237 →
Application: 13/926,313 →
Publication: US 2014/0374773
Related Assignments (10)
Other recorded transfers of the patent in this record — the chain of ownership.
Confirmatory License Dec 17, 2013
From: CREE, INC.
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 031830/0178 →
Assignment of Assignor's Interest Jul 13, 2015
From: CAPELL, CRAIG; JONAS, CHARLOTTE; GRIDER, DAVID
To: CREE, INC.
Reel/Frame 036070/0603 →
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 072992/0113 →
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 →
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 Mar 26, 2026
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 075280/0919 →