Patent Assignment
Reel/Frame 058253/0954
Change of Name
Recorded: 2021-10-19
Pages: 13
Assignor
ABB POWER GRIDS SWITZERLAND AG
Executed: 2021-10-06
Assignee
HITACHI ENERGY SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Interferometric Voltage Sensor with Error Compensation
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 20, 2017
From: MARCHESE, SERGIO VINCENZO; GU, XUN; BOHNERT, KLAUS
To: ABB SCHWEIZ AG
Reel/Frame 043915/0067 →
Assignment of Assignor's Interest
Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →