IP Library › Assignment 026791/0723
Patent Assignment
Reel/Frame 026791/0723

Assignment of Assignor's Interest

Recorded: 2011-08-23 Pages: 3
Assignors
JONSSON, TOMAS
Executed: 2011-07-01
HARNEFORS, LENNART
Executed: 2011-06-27
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Method in a Cascaded Two-Level Converter, Control Device and Computer Program Products
Patent: 8,400,793 →
Application: 13/145,161 →
Publication: US 2011/0273915
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 26, 2019
From: ABB RESEARCH LTD.
To: ABB SCHWEIZ AG
Reel/Frame 051419/0309 →
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 →