Yoshiharu Koike

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Kumagaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head having a stabilized zirconia slider
- Patent number 4,835,640
- Issue date May 30, 1989
- Hitachi Metals Ltd.
- Juro Endo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device having a stabilized zirconia slider and a...
- Patent number 4,709,284
- Issue date Nov 24, 1987
- Hitachi Metals, Ltd.
- Juro Endo
- G11 - INFORMATION STORAGE
Information Patent Grant
Ceramic substrate for a thin layer magnetic head
- Patent number 4,681,813
- Issue date Jul 21, 1987
- Hitachi Metals, Ltd.
- Hirohide Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES