James Lee Chao

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Durham, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Data processing system with air purifying device
- Patent number 7,190,579
- Issue date Mar 13, 2007
- International Business Machines Corporation
- James Lee Chao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for sticky key prevention for keyboard or keypad...
- Patent number 7,161,098
- Issue date Jan 9, 2007
- Lenovo (Singapore) Pte. Ltd.
- James Lee Chao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for absorbent sponge membrane for spill protectio...
- Patent number 6,716,518
- Issue date Apr 6, 2004
- International Business Machines Corporation
- James Lee Chao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Spill protection for electronic devices
- Patent number 6,398,436
- Issue date Jun 4, 2002
- International Business Machines Corporation
- James Lee Chao
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and system for sticky key prevention for keyboard or keypad...
- Publication number 20070074958
- Publication date Apr 5, 2007
- James Lee Chao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Data processing system with air purifying device
- Publication number 20050286224
- Publication date Dec 29, 2005
- James Lee Chao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for sticky key prevention for keyboard or keypad...
- Publication number 20040206608
- Publication date Oct 21, 2004
- James Lee Chao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and system for absorbent sponge membrane for spill protectio...
- Publication number 20030017324
- Publication date Jan 23, 2003
- International Business Machines Corporation
- James Lee Chao
- B32 - LAYERED PRODUCTS