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Toshihiko SUMIDA
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hydrogen production system and reforming apparatus
Patent number
8,690,972
Issue date
Apr 8, 2014
Sumitomo Seika Chemicals Co., Ltd.
Yoshinori Takata
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hydrogen production system and method of controlling flow rate of o...
Patent number
8,480,770
Issue date
Jul 9, 2013
Sumitomo Seika Chemicals Co., Ltd.
Toshihiko Sumida
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hydrogen production system and method of controlling flow rate of o...
Patent number
8,298,305
Issue date
Oct 30, 2012
Sumitomo Seika Chemicals Co., Ltd.
Toshihiko Sumida
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for treatment of drain in hydrogen production and hydrogen p...
Patent number
8,048,177
Issue date
Nov 1, 2011
Sumitomo Seiko Chemicals Co., Ltd.
Toshihiko Sumida
C01 - INORGANIC CHEMISTRY
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...
Patents Applications
last 30 patents
Information
Patent Application
HYDROGEN PRODUCTION SYSTEM AND METHOD OF CONTROLLING FLOW RATE OF O...
Publication number
20130139684
Publication date
Jun 6, 2013
SUMITOMO SEIKA CHEMICALS CO., LTD.
Toshihiko SUMIDA
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
METHOD FOR TREATMENT OF DRAIN IN HYDROGEN PRODUCTION AND HYDROGEN P...
Publication number
20090148381
Publication date
Jun 11, 2009
SUMITOMO SEIKA CHEMICALS CO., LTD.
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDROGEN PRODUCTION SYSTEM AND METHOD OF CONTROLLING FLOW RATE OF O...
Publication number
20090104084
Publication date
Apr 23, 2009
SUMITOMO SEIKA CHEMICALS CO. LTD
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Hydrogen Production System and Reforming Apparatus
Publication number
20070237691
Publication date
Oct 11, 2007
Sumitomo Seika Chemicals Co.,Ltd.
Yoshinori Takata
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