Masahiro Fujii

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for activated-sludge treatment of sewage or industrial wast...
- Patent number 4,832,847
- Issue date May 23, 1989
- Nippon Steel Corporation
- Masahiro Fujii
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fixing carrier for activated sludge in sewage or waste water treatment
- Patent number 4,814,125
- Issue date Mar 21, 1989
- Nippon Steel Corporation
- Masahiro Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fixing carrier for activated sludge in sewage or waste water treatment
- Patent number 4,814,085
- Issue date Mar 21, 1989
- Nippon Steel Corporation
- Masahiro Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for treating industrial wastewaters by activated sludge
- Patent number 4,698,158
- Issue date Oct 6, 1987
- Nippon Steel Corporation
- Masahiro Fujii
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aqueous solution for cooling cold-rolled steel strip in a continuou...
- Patent number 4,561,911
- Issue date Dec 31, 1985
- Nippon Steel Corporation
- Keiichi Tanikawa
- C21 - METALLURGY OF IRON