Yann-Jy Yang

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Hsinchu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Electric auxiliary apparatus for bicycle
- Patent number 6,080,073
- Issue date Jun 27, 2000
- Industrial Technology Research Institute
- Ching-Wen Liu
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Bicycle front deraileur with a smooth gear switching mechanism
- Patent number 5,816,966
- Issue date Oct 6, 1998
- Industrial Technology Research Institute
- Yann-Jy Yang
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS