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Sakae Shimizu
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Chigasaki, JP
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last 30 patents
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Patent Grant
Ozone decomposing material and ozone decomposing apparatus using th...
Patent number
5,256,377
Issue date
Oct 26, 1993
Ricoh Company, Ltd.
Susumu Nakamaru
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Ozone decomposing agent
Patent number
4,808,396
Issue date
Feb 28, 1989
Ricoh Company, Ltd.
Ichiroh Shibanai
C01 - INORGANIC CHEMISTRY