Sadao Murayama

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Kamikawa-cho, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sponge roller and image-forming apparatus
- Patent number 10,717,842
- Issue date Jul 21, 2020
- Shin-Etsu Polymer Co., Ltd.
- Sadao Murayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Sponge Roller and Image-Forming Apparatus
- Publication number 20190040222
- Publication date Feb 7, 2019
- Shin-Etsu Polymer Co., Ltd.
- Sadao Murayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY