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Takatoshi Nakahira
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Sakai-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Catalyst for removing hydrocarbons from exhaust gas and method for...
Patent number
7,371,706
Issue date
May 13, 2008
Osaka Gas Company Limited
Hirofumi Ohtsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for removing hydrocarbons from exhaust gas and method for...
Patent number
6,887,446
Issue date
May 3, 2005
Osaka Gas Company Limited
Hirofumi Ohtsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for removing hydrocarbons from exhaust gas and method for...
Patent number
6,602,481
Issue date
Aug 5, 2003
Osaka Gas Company Limited
Hirofumi Ohtsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Heat-accumulating microcapsule dispersion
Patent number
5,916,478
Issue date
Jun 29, 1999
Osaka Gas Co, Ltd
Takatoshi Nakahira
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Catalyst for removing hydrocarbons from exhaust gas and method for...
Publication number
20050002839
Publication date
Jan 6, 2005
OSAKA GAS COMPANY LIMITED
Hirofumi Ohtsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Catalyst for removing hydrocarbons from exhaust gas and method for...
Publication number
20040235654
Publication date
Nov 25, 2004
OSAKA GAS COMPANY LIMITED
Hirofumi Ohtsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Catalyst for removing hydrocarbons from exhaust gas and method for...
Publication number
20040013592
Publication date
Jan 22, 2004
OSAKA GAS COMPANY LIMITED
Hirofumi Ohtsuka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL