Ryoji KAMEYAMA

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Block copolymer composition obtained by modification treatment, met...
- Patent number 11,466,150
- Issue date Oct 11, 2022
- Zeon Corporation
- Kousuke Isobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified hydrocarbon resin, method for producing the resin, and hot...
- Patent number 10,508,161
- Issue date Dec 17, 2019
- ZEON CORPORATION
- Sadaharu Hashimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified hydrocarbon resin and hot melt adhesive composition
- Patent number 10,457,764
- Issue date Oct 29, 2019
- ZEON CORPORATION
- Ryoji Kameyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
BLOCK COPOLYMER COMPOSITION OBTAINED BY MODIFICATION TREATMENT, MET...
- Publication number 20200062948
- Publication date Feb 27, 2020
- ZEON CORPORATION
- Kousuke ISOBE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MODIFIED HYDROCARBON RESIN AND HOT MELT ADHESIVE COMPOSITION
- Publication number 20190100612
- Publication date Apr 4, 2019
- ZEON CORPORATION
- Ryoji KAMEYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MODIFIED HYDROCARBON RESIN, METHOD FOR PRODUCING THE RESIN, AND HOT...
- Publication number 20180258198
- Publication date Sep 13, 2018
- ZEON CORPORATION
- Sadaharu HASHIMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...