Yutaka Koda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing a magnetic fluid
- Patent number 4,976,883
- Issue date Dec 11, 1990
- NOK Corporation
- Takao Kanno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for preparing a magnetic fluid
- Patent number 4,956,113
- Issue date Sep 11, 1990
- NOK Corporation
- Takao Kanno
- H01 - BASIC ELECTRIC ELEMENTS