Patent Assignment
Reel/Frame 052363/0653
Assignment of Assignor's Interest
Recorded: 2020-04-10
Pages: 8
Assignors
LIU, CHUNLEI
Executed: 2019-08-27
DUGAL, FRANC
Executed: 2019-08-27
RAHIMO, MUNAF
Executed: 2019-08-27
STEIMER, PETER KARL
Executed: 2019-08-27
Assignee
ABB SCHWEIZ AG
BRUGGERSTRASSE 66, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Power Semiconductor Device with Active Short Circuit Failure Mode
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055585/0670 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0905 →