Chi-Chien Chien

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Easy-adjustment bicycle gear-shifting system
- Patent number 10,442,497
- Issue date Oct 15, 2019
- AD-II ENGINEERING INC.
- Chi-Ming Chien
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Device for cutting interconnected rectangular plate-shaped workpiec...
- Patent number 6,371,102
- Issue date Apr 16, 2002
- Uni-Tek System, Inc.
- Kuo-Hwa Wu
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Mounting frame
- Patent number D440145
- Issue date Apr 10, 2001
- Uni-Tek System, Inc.
- Kuo-Hwa Wu
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
EASY-ADJUSTMENT BICYCLE GEAR-SHIFTING SYSTEM
- Publication number 20180304966
- Publication date Oct 25, 2018
- AD-II ENGINEERING INC.
- Chi-Ming CHIEN
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS