IP Library › Assignment 032393/0776
Patent Assignment
Reel/Frame 032393/0776

Assignment of Assignor's Interest

Recorded: 2014-03-10 Pages: 5
Assignors
HAFNER, JURGEN
Executed: 2013-12-16
HERMANSSON, WILLY
Executed: 2013-12-06
Assignee
ABB RESEARCH LTD
AFFOLTERNSTRASSE 44, ZURICH, 8050, SWITZERLAND
Covered Property (1)
Gate Control Circuit, Power Module and Associated Method
Patent: 8,848,322 →
Application: 14/127,877 →
Publication: US 2014/0168840
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 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 065549/0576 →