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Katsumi Kamiyama
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Tokuyama, JP
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last 30 patents
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Patent Grant
Process for reducing nitrogen oxides from exhaust gas
Patent number
5,270,024
Issue date
Dec 14, 1993
Tosoh Corporation
Senshi Kasahara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Copper-containing zeolites and their preparation
Patent number
5,110,777
Issue date
May 5, 1992
Tosoh Corporation
Katsumi Kamiyama
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Removal of nitric oxides by copper-containing zeolites
Patent number
4,999,173
Issue date
Mar 12, 1991
Tosoh Corporation
Katsumi Kamiyama
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL