Xuefeng Cheng

Follow

Person

Milpitas, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical imaging system with symmetric optical probe
- Patent number 6,801,648
- Issue date Oct 5, 2004
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Self-calibrating optical imaging system
- Patent number 6,735,458
- Issue date May 11, 2004
- Photonify Technologies, Inc.
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and method for absolute oxygen saturation
- Patent number 6,597,931
- Issue date Jul 22, 2003
- Photonify Technologies, Inc.
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and method for measuring absolute oxygen saturation
- Patent number 6,587,703
- Issue date Jul 1, 2003
- Photonify Technologies, Inc.
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Self-calibrating optical imaging system
- Patent number 6,516,209
- Issue date Feb 4, 2003
- Photonify Technologies, Inc.
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Absolute oxygen saturation for monitoring tissue viability
- Publication number 20040162468
- Publication date Aug 19, 2004
- PHOTONIFY TECHNOLOGIES, INC.
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Self-calibrating optical imaging system
- Publication number 20030144583
- Publication date Jul 31, 2003
- Photonify Technologies, Inc.
- Xuefeng Cheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
System and method for measuring absolute oxygen saturation
- Publication number 20020058865
- Publication date May 16, 2002
- Xuefeng Cheng
- G01 - MEASURING TESTING
Information Patent Application
Optical imaging system with symmetric optical probe
- Publication number 20020037095
- Publication date Mar 28, 2002
- Xuefeng Cheng
- G01 - MEASURING TESTING
Information Patent Application
Optical imaging system with movable scanning unit
- Publication number 20020035317
- Publication date Mar 21, 2002
- Photonify Technologies
- Xuefeng Cheng
- G01 - MEASURING TESTING
Information Patent Application
Optical imaging system with direct image construction
- Publication number 20020033454
- Publication date Mar 21, 2002
- Xuefeng Cheng
- G01 - MEASURING TESTING
Information Patent Application
Self-calibrating optical imaging system
- Publication number 20020019587
- Publication date Feb 14, 2002
- Xuefeng Cheng
- G01 - MEASURING TESTING