Ryuichi Kasahara

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acrylonitrile polymer compositions, method for producing the compos...
- Patent number 5,973,106
- Issue date Oct 26, 1999
- Japan Exlan Company Limited
- Hirotaka Shiota
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing homogeneous phase melt of polyacrylonitrile
- Patent number 5,681,512
- Issue date Oct 28, 1997
- Japan Exlan Company Limited
- Hirotaka Shiota
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for manufacturing an improved acrylonitrile polymer melt
- Patent number 5,674,975
- Issue date Oct 7, 1997
- Japan Exlan Company Limited
- Hirotaka Shiota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...