Patent Assignment
Reel/Frame 041049/0214
Assignment of Assignor's Interest
Recorded: 2017-01-23
Pages: 7
Assignors
NAMI, ALIREZA
Executed: 2014-11-27
LIANG, JIAQI
Executed: 2014-12-01
DIJKHUIZEN, FRANS
Executed: 2014-11-25
WANG, LIWEI
Executed: 2014-11-27
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZÜRICH, SWITZERLAND
Covered Property
(1)
A Multilevel Converter with Reduced Ac Fault Handling Rating
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jan 23, 2017
From: ABB TECHNOLOGY LTD
To: ABB SCHWEIZ AG
Reel/Frame 041049/0272 →
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 →