Patent Assignment
Reel/Frame 059366/0520
Assignment of Assignor's Interest
Recorded: 2022-03-15
Pages: 3
Assignor
ABB SCHWEIZ AG
Executed: 2020-06-09
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Communication Less Control Technique for Hybrid HVDC
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 2, 2020
From: ROY-CHOUDHURY, SAURAV; JIANG-HÄFNER, YING; KASAL, GAURAV-KUMAR; MOHAMMADI, MORTEZA
To: ABB SCHWEIZ AG
Reel/Frame 053960/0741 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058601/0692 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065548/0905 →