Yen-Hung Liu

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Taoyuan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Blood sampling needle
- Patent number 8,109,959
- Issue date Feb 7, 2012
- Profession Enterprises, Co.
- Fu-Nan Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Rotational Safety Syringe
- Publication number 20110112439
- Publication date May 12, 2011
- Fu-Nan Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BLOOD SAMPLING NEEDLE
- Publication number 20110066077
- Publication date Mar 17, 2011
- PROFESSION ENTERPRISES CO.
- Fu-nan CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE