Patent Assignment
Reel/Frame 031549/0907
Assignment of Assignor's Interest
Recorded: 2013-11-05
Pages: 4
Assignors
KANEGAE, KENSHI
Executed: 2001-07-19
IMAI, SHINICHI
Executed: 2001-07-19
NAKAGAWA, HIDEO
Executed: 2001-07-19
Assignee
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
1006 OAZA KADOMA, KADOMA-SHI, OSAKA, 571-8501, JAPAN
Covered Properties
(3)
Etching Method, Semiconductor and Fabricating Method for the Same
Etching Method, Semiconductor and Fabricating Method for the Same
Etching Method, Semiconductor and Fabricating Method for the Same
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Nov 5, 2013
From: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
To: PANASONIC CORPORATION
Reel/Frame 031583/0287 →
Assignment of Assignor's Interest
Jan 8, 2014
From: PANASONIC CORPORATION
To: RPX CORPORATION
Reel/Frame 031939/0247 →
Security Interest
Jun 29, 2018
From: RPX CORPORATION
To: JEFFERIES FINANCE LLC
Reel/Frame 046486/0433 →
Release of Lien on Patents
Oct 21, 2019
From: JEFFERIES FINANCE LLC, AS COLLATERAL AGENT
To: RPX CORPORATION
Reel/Frame 050777/0983 →
Assignment of Assignor's Interest
Feb 7, 2020
From: RPX CORPORATION
To: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
Reel/Frame 051842/0494 →
Release of Security Interest
Oct 26, 2020
From: JEFFERIES FINANCE LLC
To: RPX CORPORATION
Reel/Frame 054486/0422 →