Patent Assignment
Reel/Frame 059575/0792
Assignment of Assignor's Interest
Recorded: 2022-04-12
Pages: 4
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Reverse Conducting Insulated Gate Power Semiconductor Device Having Low Conduction Losses
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058601/0692 →
Assignment of Assignor's Interest
Apr 12, 2022
From: PAPADOPOULOS, CHARALAMPOS
To: ABB SCHWEIZ AG
Reel/Frame 059575/0844 →
Assignment of Assignor's Interest
Apr 12, 2022
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 059575/0954 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0905 →