Ya-Fen Chen

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Changhua County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Cutting mat assembly and method for making the same
- Patent number 11,141,854
- Issue date Oct 12, 2021
- Ying Sin Co., Ltd.
- Jun Gyen Wei
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Easy-to-assemble multipurpose pushbike
- Patent number 8,286,974
- Issue date Oct 16, 2012
- Hsin-Ta Chen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
CUTTING MAT ASSEMBLY AND METHOD FOR MAKING THE SAME
- Publication number 20200047325
- Publication date Feb 13, 2020
- YING SIN CO., LTD.
- JUN GYEN WEI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
EASY-TO-ASSEMBLE MULTIPURPOSE PUSHBIKE
- Publication number 20120187650
- Publication date Jul 26, 2012
- Hsin-Ta CHEN
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS