Lei YAN

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for efficiently preparing doped optical fibre preform and do...
- Patent number 10,689,287
- Issue date Jun 23, 2020
- FIBERHOME TELECOMMUNICATION TECHNOLOGIES CO., LTD
- Cheng Du
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR EFFICIENTLY PREPARING DOPED OPTICAL FIBRE PREFORM AND DO...
- Publication number 20180305237
- Publication date Oct 25, 2018
- FIBERHOME TELECOMMUNICATION TECHNOLOGIES CO., LTD
- Cheng DU
- C03 - GLASS MINERAL OR SLAG WOOL