HANSEN CHEN

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Changzhou City, Jiangsu Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Booster circuit, battery device and electronic cigarette
- Patent number 11,547,147
- Issue date Jan 10, 2023
- Joyetech Europe Holding GmbH
- Weihua Qiu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
AEROSOL GENERATION APPARATUS
- Publication number 20250233430
- Publication date Jul 17, 2025
- Changzhou Patent Electronic Technology Co., LTD
- Weihua QIU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERHEAT PROTECTION CIRCUIT, ELECTRONIC CIGARETTE AND ELECTRONIC EQ...
- Publication number 20200221780
- Publication date Jul 16, 2020
- CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.
- WEIHUA QIU
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
BOOSTER CIRCUIT, BATTERY DEVICE AND ELECTRONIC CIGARETTE
- Publication number 20200214354
- Publication date Jul 9, 2020
- JOYETECH EUROPE HOLDING GMBH
- WEIHUA QIU
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES