Akihiko Maezawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating exhaust gases and foul water
- Patent number 5,702,572
- Issue date Dec 30, 1997
- Ebara Corporation
- Hiroyuki Fujimura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of treating waste gas by irradiation with electron beam
- Patent number 5,041,271
- Issue date Aug 20, 1991
- Ebara Corporation
- Shinji Aoki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of and apparatus for treating waste gas by irradiation with...
- Patent number 5,015,443
- Issue date May 14, 1991
- Ebara Corporation
- Kanichi Ito
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of inhibiting adhesion of by-product inside duct in treatmen...
- Patent number 4,961,830
- Issue date Oct 9, 1990
- Ebara Corporation
- Shinji Aoki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of and apparatus for treating waste gas by irradiation with...
- Patent number 4,915,916
- Issue date Apr 10, 1990
- Ebara Corporation
- Kanichi Ito
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for treating effluent gas
- Patent number 4,882,020
- Issue date Nov 21, 1989
- Ebara Corporation
- Akihiko Maezawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL