Kazushi Tsumura

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for measuring the concentration of filamentous microorgan...
- Patent number 4,769,776
- Issue date Sep 6, 1988
- Hitachi, Ltd.
- Masakatsu Hiraoka
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filamentous microorganism detector and an apparatus with the detect...
- Patent number 4,564,444
- Issue date Jan 14, 1986
- Hitachi, Ltd.
- Masakatsu Hiraoka
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE