Patent Assignment
Reel/Frame 027724/0273
Assignment of Assignor's Interest
Recorded: 2012-02-17
Pages: 2
Assignor
SUMITOMO PRECISION PRODUCTS CO., LTD.
Executed: 2012-01-31
Assignee
SPP TECHNOLOGIES CO., LTD.
8-11, HARUMI 1-CHOME, CHUO-KU, TOKYO, 104-6108, JAPAN
Covered Properties
(4)
Cleaning Method and Etching Method
Cleaning and Etching Methods and Their Apparatuses
Method for Etching of a Silicon Substrate and Etching Apparatus
Etching Method and Etching Apparatus
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 23, 2003
From: KANAYAMA, TOKIKO; KOUNO, HIROAKI
To: SUMITOMO PRECISION PRODUCTS CO., LTD.
Reel/Frame 014541/0458 →
Assignment of Assignor's Interest
Jun 25, 2004
From: KANAYAMA, TOKIKO; KOUNO, HIROAKI
To: SUMITOMO PRECISION PRODUCTS CO., LTD.
Reel/Frame 015507/0718 →
Assignment of Assignor's Interest
Nov 12, 2004
From: NOZAWA, YOSHIYUKI; KASAI, KAZUO; KOUNO, HIROAKI
To: SUMITOMO PRECISION PRODUCTS CO., LTD.
Reel/Frame 015999/0451 →
Assignment of Assignor's Interest
Jul 27, 2006
From: MURAKAMI, SHOICHI; YAMAMOTO, TAKASHI; HIRAMURA, TATSUO
To: SUMITOMO PRECISION PRODUCTS CO., LTD.
Reel/Frame 018007/0439 →
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 →