Patent Assignment
Reel/Frame 015999/0451
Assignment of Assignor's Interest
Recorded: 2004-11-12
Pages: 3
Assignors
NOZAWA, YOSHIYUKI
Executed: 2004-10-12
KASAI, KAZUO
Executed: 2004-10-12
KOUNO, HIROAKI
Executed: 2004-10-12
Assignee
SUMITOMO PRECISION PRODUCTS CO., LTD.
1-10, FUSO-CHO, AMAGASAKI-SHI, HYOGO, 660-0891, JAPAN
Covered Property
(1)
Method for Etching of a Silicon Substrate and Etching Apparatus
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 17, 2012
From: SUMITOMO PRECISION PRODUCTS CO., LTD.
To: SPP TECHNOLOGIES CO., LTD.
Reel/Frame 027724/0273 →
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 →