Patent Assignment
Reel/Frame 020777/0673
Assignment of Assignor's Interest
Recorded: 2008-04-09
Pages: 2
Assignors
YAMAMOTO, TAKASHI
Executed: 2008-02-12
TANAKA, MASAHIKO
Executed: 2008-02-12
NOZAWA, YOSHIYUKI
Executed: 2008-02-12
MURAKAMI, SHOICHI
Executed: 2008-02-12
Assignee
SUMITOMO PRECISION PRODUCTS CO., LTD.
1-10 FUSO-CHO, AMAGASAKI-SHI,, HYOGO, JAPAN
Covered Property
(1)
Plasma Etching Method Capable of Detecting End Point and Plasma Etching Device Therefor
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 5, 2012
From: SUMITOMO PRECISION PRODUCTS CO., LTD.
To: SPP TECHNOLOGIES CO., LTD.
Reel/Frame 027805/0500 →
Change of Address
Jun 25, 2013
From: SPP TECHNOLOGIES CO., LTD. (FORMERLY OF OFFICE TOWER Y 8F, 8-11, HARUMI 1-CHOME, CHUO-KU, TOKYO)
To: SPP TECHNOLOGIES CO., LTD.
Reel/Frame 030677/0353 →
Change of Address
Sep 10, 2020
From: SPP TECHNOLOGIES CO., LTD.
To: SPP TECHNOLOGIES CO., LTD.
Reel/Frame 053745/0626 →