FRANK RUI-FENG CHU

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compact universal keyboard
- Patent number 8,130,199
- Issue date Mar 6, 2012
- International Business Machines Corporation
- Frank Rui-Feng Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compact universal keyboard
- Patent number 7,439,957
- Issue date Oct 21, 2008
- International Business Machines Corporation
- Frank Rui-Feng Chu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMPACT UNIVERSAL KEYBOARD
- Publication number 20080291172
- Publication date Nov 27, 2008
- International Business Machines Corporation
- FRANK RUI-FENG CHU
- G06 - COMPUTING CALCULATING COUNTING