Patent Assignment
Reel/Frame 049308/0115
Assignment of Assignor's Interest
Recorded: 2019-05-29
Pages: 6
Assignors
YAMAMOTO, KAZUMA
Executed: 2019-05-10
ISHII, MAKI
Executed: 2019-05-10
YASHIMA, TOMOYASU
Executed: 2019-05-10
NAGAHARA, TATSURO
Executed: 2019-05-10
Assignee
RIDGEFIELD ACQUISITION
46 PLACE GUILLAUME II, LUXEMBOURG, 1648, LUXEMBOURG
Covered Property
(1)
A Lithography Composition, a Method for Forming Resist Patterns and a Method for Making Semiconductor Devices
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jul 27, 2020
From: RIDGEFIELD ACQUISITION
To: AZ ELECTRONIC MATERIALS S.À R.L.
Reel/Frame 053323/0591 →
Change of Legal Entity
Jul 27, 2020
From: AZ ELECTRONIC MATERIALS S.À R.L.
To: AZ ELECTRONIC MATERIALS GMBH
Reel/Frame 053323/0760 →
Assignment of Assignor's Interest
Jul 27, 2020
From: AZ ELECTRONIC MATERIALS GMBH
To: MERCK PATENT GMBH
Reel/Frame 053323/0770 →