Xiuling ZHU

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multifocal system with polarization-independent focusing
- Patent number 11,269,203
- Issue date Mar 8, 2022
- Hong Kong Applied Science and Technology Institute Company Limited
- Ming Wai Alwin Tam
- G02 - OPTICS
Information Patent Grant
Rotational geometric phase hologram with application for fabricatin...
- Patent number 10,983,262
- Issue date Apr 20, 2021
- Hong Kong Applied Science and Technology Research Institute Company Limited
- Ming Wai Alwin Tam
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MULTILAYERED OPTICAL SECURITY DEVICE
- Publication number 20220016923
- Publication date Jan 20, 2022
- Hong Kong Applied Science and Technology Research Institute Company Limited
- Zeineb BEN AZIZA
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Multifocal System with Polarization-Independent Focusing
- Publication number 20210231991
- Publication date Jul 29, 2021
- Hong Kong Applied Science and Technology Institute Company Limited
- Ming Wai Alwin TAM
- G02 - OPTICS
Information Patent Application
Rotational Geometric Phase Hologram with Application for Fabricatin...
- Publication number 20200096689
- Publication date Mar 26, 2020
- Hong Kong Applied Science and Technology Research Institute Company Limited
- Ming Wai Alwin TAM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY