Patent Assignment
Reel/Frame 018691/0667
Assignment of Assignor's Interest
Recorded: 2005-01-28
Pages: 3
Assignors
TAKEMURA, MAKOTO
Executed: 2005-01-05
FUKUDA, YASUO
Executed: 2005-01-05
SOUDA, KAZUAKI
Executed: 2005-01-05
Assignee
SUMITOMO MITSUBISHI SILICON CORPORATION
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8634, JAPAN
Covered Property
(1)
Technique on Ozone Water for Use in Cleaning Semiconductor Substrate
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 28, 2005
From: KATO, MASAAKI
To: PURETRON LTD.
Reel/Frame 018623/0083 →
Assignment of Assignor's Interest
Jan 28, 2005
From: SUHARA, EIJI
To: ECHO GIKEN CO., LTD.
Reel/Frame 018741/0810 →
Assignment of Assignor's Interest
Feb 23, 2006
From: PURETRON, LTD.
To: CHLORINE ENGINEERS CORP., LTD.
Reel/Frame 018101/0194 →
Assignment of Assignor's Interest
May 27, 2014
From: CHLORINE ENGINEERS CORP., LTD.
To: PERMELEC ELECTRODE LTD.
Reel/Frame 032967/0885 →
Change of Name
Feb 2, 2016
From: PERMELEC ELECTRODE LTD.
To: DE NORA PERMELEC LTD
Reel/Frame 037679/0984 →