Patent Assignment
Reel/Frame 046291/0173
Assignment of Assignor's Interest
Recorded: 2018-06-04
Pages: 3
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZÜRICH, SWITZERLAND
Covered Property
(1)
Voltage Balancing in a Modular Multilevel Converter Having Delta Configuration
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jun 4, 2018
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 045977/0726 →
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 →