IP Library › Assignment 035690/0224
Patent Assignment
Reel/Frame 035690/0224

Assignment of Assignor's Interest

Recorded: 2015-05-21 Pages: 3
Assignor
JIANG-HÄFNER, YING
Executed: 2015-05-04
Assignee
ABB TECHNOLOGY LTD
AFFOLTERNSTRASSE 44, ZÜRICH, CH-8050, SWITZERLAND
Covered Property (1)
Cells Control in a Multilevel Converter
Patent: 9,312,786 →
Application: 14/646,456 →
Publication: US 2015/0340967
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0956 →
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 →