Patent Assignment
Reel/Frame 032054/0731
Assignment of Assignor's Interest
Recorded: 2014-01-27
Pages: 3
Assignor
NORRGA, STAFFAN
Executed: 2014-01-08
Assignee
ABB TECHNOLOGY AG
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property
(1)
Bidirectional Unisolated Dc-Dc Converter Based on Cascaded Cells
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jul 25, 2016
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 039246/0619 →
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 065549/0576 →