Pei-Ching Cheng

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Kaohsiung City, TW

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Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR AUTHENTICATION WITH DYNAMIC AND RANDOM PASSWORDS
- Publication number 20130152193
- Publication date Jun 13, 2013
- Pei-An Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTERIZED TESTING DEVICE WITH A NETWORK EDITING INTERFACE
- Publication number 20100062410
- Publication date Mar 11, 2010
- BAIS Education & Technology Co., Ltd.
- Cheng-Hui CHIANG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
COMPUTERIZED EDUCATION DEVICE, MULTIMEDIA PRODUCTION DEVICE AND ASS...
- Publication number 20100035226
- Publication date Feb 11, 2010
- BAIS Education & Technology Co., Ltd.
- Tzu-Yin LU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS