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Osaka, JA
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing denitrating catalysts
Patent number
4,040,981
Issue date
Aug 9, 1977
Hitachi Shipbuilding and Engineering Co., Ltd.
Hideya Inaba
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of removal of nitrogen oxides
Patent number
4,002,723
Issue date
Jan 11, 1977
Hitachi Shipbuilding and Engineering Co., Ltd.
Hideya Inaba
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Exhaust gas cleaning catalysts and method of producing same
Patent number
3,939,097
Issue date
Feb 17, 1976
Hitachi Shipbuilding and Engineering Co., Ltd.
So Takeoka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL