CHUAN HUNG YU

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Size-adjustable sport shoe
- Patent number 11,812,822
- Issue date Nov 14, 2023
- TRI GOLD MANUFACTURE CO., LTD.
- Ting-Hung Yu
- A43 - FOOTWEAR
Information Patent Grant
Size-adjustable sport shoe
- Patent number 11,376,485
- Issue date Jul 5, 2022
- TRI GOLD MANUFACTURE CO., LTD.
- Ting-Hung Yu
- A43 - FOOTWEAR
Information Patent Grant
Skate
- Patent number 7,980,567
- Issue date Jul 19, 2011
- Trigold Manufacture Co., Ltd.
- Ting Hung Yu
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Size-Adjustable Sport Shoe
- Publication number 20210121766
- Publication date Apr 29, 2021
- TRI GOLD MANUFACTURE CO., LTD
- Ting-Hung YU
- A43 - FOOTWEAR
Information Patent Application
Size-Adjustable Sport Shoe
- Publication number 20170056754
- Publication date Mar 2, 2017
- TRI GOLD MANUFACTURE CO., LTD
- Ting-Hung YU
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Skate
- Publication number 20110006511
- Publication date Jan 13, 2011
- TRIGOLD MANUFACTURE CO., LTD.
- TING HUNG YU
- A63 - SPORTS GAMES AMUSEMENTS