Patent Assignment
Reel/Frame 052119/0208
Assignment of Assignor's Interest
Recorded: 2020-03-06
Pages: 8
Assignors
DROFENIK, UWE
Executed: 2019-12-18
CANALES, FRANCISCO
Executed: 2019-12-18
LIU, CHUNLEI
Executed: 2019-12-18
BREM, FRANZISKA
Executed: 2019-12-18
Assignee
ABB SCHWEIZ AG
BRUGGERSTRASSE 66, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Power Module Based on Normally-on Semiconductor Switches
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 055589/0769 →
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 →