Yoneji Wada

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Itabashi-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for filtering impurities out of fluid
- Patent number 4,655,914
- Issue date Apr 7, 1987
- Origin Company Limited
- Yoneji Wada
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Filter medium and method of manufacturing the same
- Patent number 4,645,597
- Issue date Feb 24, 1987
- Origin Company Limited
- Yoneji Wada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filtering member and method for manufacturing the same
- Patent number 4,239,627
- Issue date Dec 16, 1980
- Yoneji Wada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL