Naoyuki Fujii

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Patents Grantslast 30 patents

Information Patent Grant
Porous cellulose carrier for immobilizing microorganisms to convert...
- Patent number 5,935,844
- Issue date Aug 10, 1999
- Biomaterial Co., Ltd.
- Masatoshi Matsumura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biochemical reactor of liquid current type, groundwater and wastewa...
- Patent number 5,753,110
- Issue date May 19, 1998
- Biomaterial Co., Ltd.
- Masatoshi Matsumura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE