Izuru Yokoyama

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Iwakuni, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing hydrocarbon resin and pressure-sensitive adhe...
- Patent number 3,963,653
- Issue date Jun 15, 1976
- Mitsui Petrochemical Industries, Ltd.
- Shigeru Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing hydrocarbon resin and pressure-sensitive adhe...
- Patent number 3,931,125
- Issue date Jan 6, 1976
- Mitsui Petrochemical Industries, Ltd.
- Shigeru Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...