Chuan-Hsien Chang

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Nei-Pu Hsiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
Golf club head and low density alloy thereof
- Patent number 9,750,990
- Issue date Sep 5, 2017
- O-Ta Precision Industry Co., Ltd.
- Chuan-Hsien Chang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based alloy for a golf club head
- Patent number 8,287,403
- Issue date Oct 16, 2012
- O-Ta Precision Industry Co., Ltd.
- Chih-Yeh Chao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
GOLF CLUB HEAD AND LOW DENSITY ALLOY THEREOF
- Publication number 20150080150
- Publication date Mar 19, 2015
- O-Ta Precision Industry Co., Ltd.
- Chuan-Hsien CHANG
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
GOLF CLUB HEAD
- Publication number 20120077617
- Publication date Mar 29, 2012
- Shun-Fu Hu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Golf Club Head Made Of A Titanium-Based Alloy
- Publication number 20110218052
- Publication date Sep 8, 2011
- O-TA PRECISION INDUSTRY CO., LTD.
- Shun-Fu Hu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
IRON-BASED ALLOY FOR MAKING A GOLF CLUB HEAD
- Publication number 20090246066
- Publication date Oct 1, 2009
- O-TA Precision Industry Co., Ltd.
- Jui-Ming SU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Golf club
- Publication number 20090233731
- Publication date Sep 17, 2009
- Yen-Chi Hsu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Golf Club
- Publication number 20090137336
- Publication date May 28, 2009
- Yen-Chi Hsu
- A63 - SPORTS GAMES AMUSEMENTS