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Hiroaki Sasano
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Off-gas feed method and target gas purification system
Patent number
7,438,746
Issue date
Oct 21, 2008
Sumitomo Seika Chemicals, Co., Ltd.
Toshihiko Sumida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for separating hydrogen gas
Patent number
6,913,638
Issue date
Jul 5, 2005
Sumitomo Seika Chemicals Co., Ltd.
Toshihiko Sumida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of recovering enriched gaseous oxygen
Patent number
6,663,691
Issue date
Dec 16, 2003
Sumitomo Seika Chemicals Co., Ltd.
Morihiko Yamamoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process of recovering oxygen-enriched gas
Patent number
5,755,856
Issue date
May 26, 1998
Sumitomo Seika Chemicals Co. Ltd.
Masanori Miyake
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATING HYDROGEN GAS
Publication number
20100294130
Publication date
Nov 25, 2010
SUMITOMO SEIKA CHEMICALS CO., LTD.
Kazuo Haruna
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDROGEN GAS SEPARATION METHOD AND SEPARATION APPARATUS
Publication number
20100000408
Publication date
Jan 7, 2010
SUMITOMO SEIKA CHEMICALS CO., LTD.
Kazuo Haruma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Off-gas feed method and object gas purification system
Publication number
20060236860
Publication date
Oct 26, 2006
Sumitomo Seiko Chemicals Co., Ltd.
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of separating target gas
Publication number
20050268780
Publication date
Dec 8, 2005
SUMITOMO SEIKA CHEMICALS CO., LTD.
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and device for separating object gas
Publication number
20040069143
Publication date
Apr 15, 2004
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for separating hydrogen gas
Publication number
20040025692
Publication date
Feb 12, 2004
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of recovering enriched gaseous oxygen
Publication number
20030010207
Publication date
Jan 16, 2003
Morihiko Yamamoto
C01 - INORGANIC CHEMISTRY