Tomoyasu MARUYAMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sign object presentation system
- Patent number 8,479,121
- Issue date Jul 2, 2013
- Kokusai Kogyo Co., Ltd.
- Tomoyasu Maruyama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
SIGN OBJECT PRESENTATION SYSTEM
- Publication number 20080098633
- Publication date May 1, 2008
- KOKUSAI KOGYO CO., LTD.
- Tomoyasu MARUYAMA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS