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Patents Grantslast 30 patents

Information Patent Grant
Baseball bat
- Patent number 9,504,891
- Issue date Nov 29, 2016
- Well Jet International Co., Ltd.
- Yung-Hsiung Chen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Weld structure of metal club head
- Patent number 7,654,913
- Issue date Feb 2, 2010
- Well Jet International Co., Ltd.
- Yung Hsiung Chen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf club head of heterogeneous metals
- Patent number 7,651,413
- Issue date Jan 26, 2010
- Well Jet International Co., Ltd.
- Yung Hsiung Chen
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DIRECTION CHANGE STRUCTURE OF GOLF CLUB HEAD
- Publication number 20110237345
- Publication date Sep 29, 2011
- YUNG-HSIUNG CHEN
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SHANK OF FOUR-PIECE FORGING OF GOLF CLUB HEAD
- Publication number 20100099512
- Publication date Apr 22, 2010
- YUNG-HSIUNG CHEN
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
COMPOSITE BASEBALL BAT AND MANUFACTURING METHOD THEREOF
- Publication number 20100029418
- Publication date Feb 4, 2010
- YUNG-HSIUNG CHEN
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD OF HETEROGENEOUS METALS
- Publication number 20100009774
- Publication date Jan 14, 2010
- YUNG-HSIUNG CHEN
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD
- Publication number 20090270199
- Publication date Oct 29, 2009
- YUNG-HSIUNG CHEN
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
WELD STRUCTURE OF METAL CLUB HEAD
- Publication number 20090178266
- Publication date Jul 16, 2009
- YUNG-HSIUNG CHEN
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Bat made of composite material
- Publication number 20070087872
- Publication date Apr 19, 2007
- WELL JET INTERNATIONAL CO., LTD.
- Yung-Hsiung Chen
- A63 - SPORTS GAMES AMUSEMENTS