YU-JHIH YE

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CHANGHUA CITY, TW

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Patents Grantslast 30 patents

Information Patent Grant
Chinese abacus adder
- Patent number 7,870,181
- Issue date Jan 11, 2011
- National Changhua University of Education
- Shu-Chung Yi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
CHINESE ABACUS ADDER
- Publication number 20080118898
- Publication date May 22, 2008
- NATIONAL CHANGHUA UNIVERSITY OF EDUCATION
- SHU-CHUNG YI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS