Hisao Otani

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preventing adhesiveness of a hydrogel of a water-soluble...
- Patent number 4,164,818
- Issue date Aug 21, 1979
- Nitto Chemical Industry Co., Ltd.
- Iwao Ohshima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for reducing the adhesiveness of hydrogel-like polymer by ad...
- Patent number 4,134,871
- Issue date Jan 16, 1979
- Nitto Chemical Industry Co., Ltd.
- Hisao Otani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...