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Toshiaki Urata
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Kanagawa, JP
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last 30 patents
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Patent Grant
Gas dispersion pipe for gas-liquid contact, and device for gas-liqu...
Patent number
5,773,621
Issue date
Jun 30, 1998
Chiyoda Corporation
Haruo Nisino
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Wet desulfurization process for treating a flue gas
Patent number
4,911,901
Issue date
Mar 27, 1990
Chiyoda Corporation
Yoshio Ogawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL