Takao Kanno

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorine-based magnetic fluid
- Patent number 5,785,882
- Issue date Jul 28, 1998
- NOK Corporation
- Yasushi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorine-based magnetic fluid
- Patent number 5,738,802
- Issue date Apr 14, 1998
- NOK Corporation
- Yasushi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorine-based magnetic fluid
- Patent number 5,718,833
- Issue date Feb 17, 1998
- NOK Corporation
- Yasushi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing magnetic fluid
- Patent number 5,240,628
- Issue date Aug 31, 1993
- NOK Corporation
- Takao Kanno
- H01 - BASIC ELECTRIC ELEMENTS
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