Patent Assignment
Reel/Frame 042688/0326
Assignment of Assignor's Interest
Recorded: 2017-06-13
Pages: 7
Assignors
MINAMISAWA, RENATO
Executed: 2017-01-13
MIHAILA, ANDREI
Executed: 2017-01-13
SUNDARAMOORTHY, VINOTH
Executed: 2017-01-13
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Power Semiconductor Rectifier with Controllable on-State Voltage
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 11, 2016
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 040602/0792 →
Merger
Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0792 →
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 →