Katuo Ehara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Life indicator and cartridge for indicating total water flow
- Patent number 5,458,766
- Issue date Oct 17, 1995
- Yuasa Corporation
- Katuo Ehara
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE