Patent Assignment
Reel/Frame 050011/0971
Assignment of Assignor's Interest
Recorded: 2019-08-09
Pages: 8
Assignors
CORVASCE, CHIARA
Executed: 2018-12-19
KOPTA, ARNOST
Executed: 2018-12-22
ANDENNA, MAXI
Executed: 2018-12-19
RAHIMO, MUNAF
Executed: 2018-12-19
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Insulated Gate Bipolar Transistor
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
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 →