Zhou Zhang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Optical apparatus and augmented reality device
- Patent number 11,308,695
- Issue date Apr 19, 2022
- Lenovo (Beijing) Co., Ltd.
- Shun Lan
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL APPARATUS AND AUGMENTED REALITY DEVICE
- Publication number 20190197790
- Publication date Jun 27, 2019
- LENOVO (BEIJING) CO., LTD.
- Shun LAN
- G02 - OPTICS
Information Patent Application
LIQUID-CRYSTAL-LENS TYPE LIGHT-MODULATING APPARATUS AND LIQUID CRYS...
- Publication number 20140055716
- Publication date Feb 27, 2014
- Zhou Zhang
- G02 - OPTICS