Yoichi Takizawa

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Saitama, JP

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Patents Applicationslast 30 patents

Information Patent Application
TWIST BALL TYPE ELECTRONIC PAPER
- Publication number 20120275014
- Publication date Nov 1, 2012
- SOKEN CHEMICAL & ENGINEERING CO., LTD.
- Kenichi Ogawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS