Chi-Chang Liu

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Concord, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-function adaptive simulation cartridge and method
- Patent number 11,274,897
- Issue date Mar 15, 2022
- Guidance Education Technologies, Inc
- Philip S. Liu
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
MULTI-FUNCTION ADAPTIVE SIMULATION CARTRIDGE AND METHOD
- Publication number 20200141685
- Publication date May 7, 2020
- Guidance Education Technologies Inc.
- Philip S. Liu
- F41 - WEAPONS
Information Patent Application
SYSTEM AND METHOD FOR COMPUTER BASED MENTORSHIP
- Publication number 20150104778
- Publication date Apr 16, 2015
- CHI-CHANG LIU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Input Device, System and Method Using Event Signal Coding
- Publication number 20130307777
- Publication date Nov 21, 2013
- Chi-Chang Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Touchscreen Device Integrated Computing System And Method
- Publication number 20130307796
- Publication date Nov 21, 2013
- Chi-Chang Liu
- G06 - COMPUTING CALCULATING COUNTING