Shuji YOKOYAMA

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Kawasaki City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polymer photopolymerization sensitizer
- Patent number 11,420,928
- Issue date Aug 23, 2022
- Kawasaki Kasei Chemicals Ltd.
- Akihiko Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerization sensitizer composition and photopolymerizable c...
- Patent number 11,149,103
- Issue date Oct 19, 2021
- Kawasaki Kasei Chemicals Ltd.
- Shigeaki Numata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerizable composition
- Patent number 10,570,227
- Issue date Feb 25, 2020
- Kawasaki Kasei Chemicals Ltd.
- Shigeaki Numata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYMER PHOTOPOLYMERIZATION SENSITIZER
- Publication number 20200062692
- Publication date Feb 27, 2020
- Kawasaki Kasei Chemicals Ltd.
- Akihiko YAMADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHOTOPOLYMERIZATION SENSITIZER COMPOSITION AND PHOTOPOLYMERIZABLE C...
- Publication number 20190119426
- Publication date Apr 25, 2019
- Kawasaki Kasei Chemicals Ltd.
- Shigeaki NUMATA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHOTOPOLYMERIZABLE COMPOSITION
- Publication number 20180208689
- Publication date Jul 26, 2018
- Kawasaki Kasei Chemicals Ltd.
- Shigeaki NUMATA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...