Patent Assignment
Reel/Frame 027805/0500
Assignment of Assignor's Interest
Recorded: 2012-03-05
Pages: 3
Assignor
SUMITOMO PRECISION PRODUCTS CO., LTD.
Executed: 2012-02-29
Assignee
SPP TECHNOLOGIES CO., LTD.
8-11 HARUMI 1-CHOME, CHUO-KU, TOKYO, 104-6108, 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
Apr 9, 2008
From: YAMAMOTO, TAKASHI; TANAKA, MASAHIKO; NOZAWA, YOSHIYUKI; MURAKAMI, SHOICHI
To: SUMITOMO PRECISION PRODUCTS CO., LTD.
Reel/Frame 020777/0673 →
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 →