IP Library › Assignment 051040/0144
Patent Assignment
Reel/Frame 051040/0144

Assignment of Assignor's Interest

Recorded: 2019-11-18 Pages: 4
Assignors
COLAK, ILKNUR
Executed: 2019-11-11
KE, XINHUA
Executed: 2019-11-05
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, CH-5400, SWITZERLAND
Covered Property (1)
Dc Offset Compensation in Modular Multilevel Converter
Application: 16/500,895 →
Publication: US 2020/0153359
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 15, 2021
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055589/0769 →
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 →