Chi Cheong Szeto

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Hong Kong SAR, CN

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Patents Grantslast 30 patents

Information Patent Grant
Devices and methods for heart rate measurement and wrist-watch inco...
- Patent number 7,379,770
- Issue date May 27, 2008
- Dayton Technologies Limited
- Chi Cheong Szeto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Devices and methods for heart rate measurement and wrist-watch inco...
- Publication number 20040228217
- Publication date Nov 18, 2004
- Century Ocean Corporation Limited
- Chi Cheong Szeto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE