Qunfei Zhou

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Changsha, CN

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Patents Grantslast 30 patents

Information Patent Grant
Disc containing copper for sapphire polishing, and method for prepa...
- Patent number 10,220,486
- Issue date Mar 5, 2019
- Lens Technology Co., Ltd.
- Qunfei Zhou
- B24 - GRINDING POLISHING
Information Patent Grant
Touch panel and preparation method therefor
- Patent number 9,971,182
- Issue date May 15, 2018
- Lens Technology (Changsha) Co., Ltd
- Qunfei Zhou
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Touch Panel and Preparation Method Therefor
- Publication number 20170285383
- Publication date Oct 5, 2017
- LENS TECHNOLOGY (CHANGSHA) CO.,LTD
- Qunfei ZHOU
- G02 - OPTICS
Information Patent Application
Copper Disc for Sapphire Polishing, and Method of Repairing Double-...
- Publication number 20170129071
- Publication date May 11, 2017
- LENS TECHNOLOGY CO., LTD
- Qunfei Zhou
- B24 - GRINDING POLISHING