Patent Assignment
Reel/Frame 035426/0477
Assignment of Assignor's Interest
Recorded: 2015-04-16
Pages: 3
Assignor
HASSANPOOR, ARMAN
Executed: 2015-03-30
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZURICH, 8050, SWITZERLAND
Covered Property
(1)
Multilevel Converter with Cells Being Selected Based on Phase Arm Current
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0929 →
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 →