Chien-Chih Chang

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Changhua County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Bicycle derailleur
- Patent number 11,059,542
- Issue date Jul 13, 2021
- SUN RACE STURMEY-ARCHER INC.
- Chang-Yao Yang
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Derailleur apparatus for bicycles
- Patent number 10,059,401
- Issue date Aug 28, 2018
- SUN RACE STURMEY-ARCHER INC.
- Chang-Yao Yang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Fan Blade And Manufacturing Method Thereof
- Publication number 20190360498
- Publication date Nov 28, 2019
- Chien-Hsiang Chang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
BICYCLE DERAILLEUR
- Publication number 20190047660
- Publication date Feb 14, 2019
- Sun Race Sturmey-Archer Inc.
- CHANG-YAO YANG
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
DERAILLEUR APPARATUS FOR BICYCLES
- Publication number 20150251726
- Publication date Sep 10, 2015
- Sun Race Sturmey-Archer Inc.
- CHANG-YAO Yang
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS