Naomasa Matsuyama

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Otake-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon fiber precursor acrylic fiber, carbon fiber, and method for...
- Patent number 11,959,197
- Issue date Apr 16, 2024
- MITSUBISHI CHEMICAL CORPORATION
- Naomasa Matsuyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polyacrylonitrile-based copolymer, polyacrylonitrile-based precurso...
- Patent number 10,017,881
- Issue date Jul 10, 2018
- Mitsubishi Chemical Corporation
- Yusuke Shinmen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Acrylonitrile copolymer and method for producing the same, acryloni...
- Patent number 8,569,408
- Issue date Oct 29, 2013
- Mitsubishi Rayon Co., Ltd.
- Norifumi Hirota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CARBON FIBER PRECURSOR ACRYLIC FIBER, CARBON FIBER, AND METHOD FOR...
- Publication number 20200002850
- Publication date Jan 2, 2020
- MITSUBISHI CHEMICAL CORPORATION
- Naomasa Matsuyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
POLYACRYLONITRILE-BASED COPOLYMER, POLYACRYLONITRILE-BASED PRECURSO...
- Publication number 20140212663
- Publication date Jul 31, 2014
- MITSUBISHI RAYON CO., LTD.
- Yusuke Shinmen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
CARBON-FIBER-PRECURSOR FIBER BUNDLE, CARBON FIBER BUNDLE, AND USES...
- Publication number 20130295811
- Publication date Nov 7, 2013
- MITSUBISHI RAYON CO., LTD.
- Yuusuke Shinmen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ACRYLONITRILE COPOLYMER AND METHOD FOR PRODUCING THE SAME, ACRYLONI...
- Publication number 20110130503
- Publication date Jun 2, 2011
- MITSUBISHI RAYON CO., LTD
- Norifumi Hirota
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING