Yi Jia Chang

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Dongguan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Power tools with integrated circuit boards
- Patent number 11,110,583
- Issue date Sep 7, 2021
- TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
- Denis Gaston Fauteux
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sports Hi-Fi touch-control Bluetooth earphone
- Patent number 10,154,334
- Issue date Dec 11, 2018
- KINGSTATE ELECTRONICS (DONGGUAN) CO., LTD
- Shun-Peng Lin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electric motor
- Patent number 9,973,049
- Issue date May 15, 2018
- TECHTRONIC INDUSTRIES CO. LTD.
- Yi Jia Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
RUBBER PRODUCT WITH A PRINTED SURFACE AND METHOD FOR FORMING A PRIN...
- Publication number 20220234343
- Publication date Jul 28, 2022
- DONGGUAN QINJIN MOULD PLASTIC CO., LTD.
- YI-SHENG CHANG
- B32 - LAYERED PRODUCTS
Information Patent Application
SPORTS TOUCH-CONTROL BLUETOOTH EARPHONE
- Publication number 20180352320
- Publication date Dec 6, 2018
- Kingstate Electronics (Dongguan) Co.,Ltd
- Shun-Peng LIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER TOOLS WITH INTEGRATED CIRCUIT BOARDS
- Publication number 20180326568
- Publication date Nov 15, 2018
- TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
- Denis Gaston FAUTEUX
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ELECTRIC MOTOR
- Publication number 20150084456
- Publication date Mar 26, 2015
- Techtronic Industries Company Ltd.
- Yi Jia Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER