KUO-JEN CHANG

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Patents Grantslast 30 patents

Information Patent Grant
Automatic reflection hammer system
- Patent number 11,653,903
- Issue date May 23, 2023
- Chang Gung University
- Jer-Chyi Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC REFLECTION HAMMER SYSTEM
- Publication number 20200178942
- Publication date Jun 11, 2020
- Chang Gung University
- Jer-Chyi WANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STERILIZATION APPARATUS FOR FABRIC AND SHOES
- Publication number 20100102253
- Publication date Apr 29, 2010
- KUO-JEN CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE