Mayumi Yoshikawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Retroreflective elements
- Patent number 9,110,236
- Issue date Aug 18, 2015
- 3M Innovative Properties Company
- Junichi Saito
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Retroreflective Elements
- Publication number 20140233102
- Publication date Aug 21, 2014
- Junichi Saito
- G02 - OPTICS