Yasuyoshi Fujii

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Mie, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copolymer and optical film using same
- Patent number 11,225,540
- Issue date Jan 18, 2022
- Tosoh Corporation
- Yasuyoshi Fujii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fumaric acid diester-cinnamic acid ester-based copolymer, productio...
- Patent number 9,512,284
- Issue date Dec 6, 2016
- Tosoh Corporation
- Takahiro Kitagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Diisopropyl fumarate-cinnamic acid derivative copolymer and retarda...
- Patent number 9,321,870
- Issue date Apr 26, 2016
- Tosoh Corporation
- Takahiro Kitagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
COPOLYMER AND OPTICAL FILM USING SAME
- Publication number 20200095358
- Publication date Mar 26, 2020
- TOSOH CORPORATION
- Yasuyoshi FUJII
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FUMARIC ACID DIESTER-CINNAMIC ACID ESTER-BASED COPOLYMER, PRODUCTIO...
- Publication number 20150291751
- Publication date Oct 15, 2015
- TOSOH CORPORATION
- Takahiro Kitagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIISOPROPYL FUMARATE-CINNAMIC ACID DERIVATIVE COPOLYMER AND RETARDA...
- Publication number 20150232599
- Publication date Aug 20, 2015
- TOSOH CORPORATION
- Takahiro Kitagawa
- G02 - OPTICS