Hiroshi Higashi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium having a magnetic layer formed from an ar...
- Patent number 5,219,663
- Issue date Jun 15, 1993
- Hitachi Maxell, Ltd.
- Kenji Kohno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate polyol, aromatic polycarbonate polyurethane resin, co...
- Patent number 5,045,622
- Issue date Sep 3, 1991
- Hitachi Maxell, Ltd.
- Kenji Kohno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...