Mickael Bernard Andre LEFEBVRE

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Radial magnetic circuit assembly device and radial magnetic circuit...
- Patent number 11,387,027
- Issue date Jul 12, 2022
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Mickael Bernard Andre Lefebvre
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Headset
- Patent number 11,310,579
- Issue date Apr 19, 2022
- Shenzhen Grandsun Electronic Co., Ltd.
- Mickael Bernard Andre Lefebvre
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker
- Patent number 10,735,864
- Issue date Aug 4, 2020
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Weiyong Gong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Metal diaphragm and speaker
- Patent number 10,694,294
- Issue date Jun 23, 2020
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Gang Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm and speaker
- Patent number 10,667,058
- Issue date May 26, 2020
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Gang Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HEADSET
- Publication number 20210337295
- Publication date Oct 28, 2021
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Mickael Bernard Andre LEFEBVRE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIAL MAGNETIC CIRCUIT ASSEMBLY DEVICE AND RADIAL MAGNETIC CIRCUIT...
- Publication number 20200075208
- Publication date Mar 5, 2020
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Mickael Bernard Andre LEFEBVRE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METAL DIAPHRAGM AND SPEAKER
- Publication number 20190335277
- Publication date Oct 31, 2019
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Gang XIE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER
- Publication number 20190335278
- Publication date Oct 31, 2019
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Weiyong GONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIAPHRAGM AND SPEAKER
- Publication number 20190335276
- Publication date Oct 31, 2019
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Gang XIE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE