Patent Assignment
Reel/Frame 048412/0573
Assignment of Assignor's Interest
Recorded: 2019-02-22
Pages: 3
Assignors
GAO, TONGCHUAN
Executed: 2018-01-08
KISHKO, GRIGORIY
Executed: 2018-01-15
VANIAPURA, VIJAY M.
Executed: 2018-01-15
YANG, MICHAEL X.
Executed: 2018-01-12
Assignee
MATTSON TECHNOLOGY, INC.
47131 BAYSIDE PARKWAY, FREMONT, CALIFORNIA, 94538
Covered Property
(1)
Surface Treatment of Substrates Using Passivation Layers
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Sep 6, 2019
From: MATTSON TECHNOLOGY, INC.
To: EAST WEST BANK
Reel/Frame 050299/0372 →
Assignment of Assignor's Interest
Sep 30, 2019
From: MATTSON TECHNOLOGY, INC.
To: MATTSON TECHNOLOGY, INC.; BEIJING E-TOWN SEMICONDUCTOR TECHNOLOGY, CO., LTD
Reel/Frame 050582/0796 →
Release of Security Interest
Apr 15, 2021
From: EAST WEST BANK
To: MATTSON TECHNOLOGY, INC.
Reel/Frame 055950/0452 →