Patent Assignment
Reel/Frame 064664/0490
Assignment of Assignor's Interest
Recorded: 2023-08-22
Pages: 8
Assignors
KIM, WOONGSUN
Executed: 2023-08-15
MCCAIN, MATTHEW N.
Executed: 2023-08-21
ISLAM, NAEEM
Executed: 2023-08-15
SAMPATH, MADANKUMAR
Executed: 2023-08-07
RYU, SEI-HYUNG
Executed: 2023-08-07
Assignee
WOLFSPEED, INC.
4600 SILICON DRIVE, DURHAM, NORTH CAROLINA, 27703
Covered Property
(1)
Power Semiconductor Devices Having Gate Trenches with Asymmetrically Rounded Upper and Lower Trench Corners and/or Recessed Gate Electrodes and Methods of Fabricating Such Devices
Application:
18/453,414 →
Publication:
US 2025/0072044
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Oct 17, 2024
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 069180/0437 →
Release of Security Interest in Intellectual Property Collateral at Reel/Frame No. 69180/0437
Sep 30, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: WOLFSPEED, INC.
Reel/Frame 072989/0088 →
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 →