Seiichirou Yamada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pump mounting structure of canned submersible motor for deep well pump
- Patent number 5,348,452
- Issue date Sep 20, 1994
- Ebara Corporation
- Masakazu Yamamoto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Canned motor bearing having an integrally formed load side bearing...
- Patent number 5,168,188
- Issue date Dec 1, 1992
- Ebara Corporation
- Masakazu Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER