Patent Assignment
Reel/Frame 050390/0247
Assignment of Assignor's Interest
Recorded: 2019-09-16
Pages: 3
Assignors
CHEN, NAN
Executed: 2019-09-06
ILVES, KALLE
Executed: 2019-09-06
NAWAZ, MUHAMMAD
Executed: 2019-09-06
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Semiconductor Switch with Magnetic Coupling Device
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 →