Naoto Kumagai

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Nagoya-shi, Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method of cyclic polyarylene sulfide
- Patent number 9,567,437
- Issue date Feb 14, 2017
- Toray Industries, Inc.
- Tomoyuki Odashima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production method of cyclic polyarylene sulfide
- Patent number 9,150,695
- Issue date Oct 6, 2015
- Toray Industries, Inc.
- Tomoyuki Odashima
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLY(ARYLENE SULFIDE) AND PRODUCTION METHOD THEREFOR
- Publication number 20230133345
- Publication date May 4, 2023
- TORAY INDUSTRIES, INC.
- Naoto Kumagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRODUCTION METHOD OF CYCLIC POLYARYLENE SULFIDE (AS AMENDED)
- Publication number 20150329677
- Publication date Nov 19, 2015
- TORAY INDUSTRIES, INC.
- Tomoyuki Odashima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRODUCTION METHOD OF CYCLIC POLYARYLENE SULFIDE
- Publication number 20140256907
- Publication date Sep 11, 2014
- TORAY INDUSTRIES, INC.
- Tomoyuki Odashima
- C07 - ORGANIC CHEMISTRY