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Tianshu Zhang
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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Internal-reflective telecentric lens system
Patent number
11,586,023
Issue date
Feb 21, 2023
Shenzhen Guangjian Technology Co., Ltd.
Tianshu Zhang
G02 - OPTICS
Information
Patent Grant
Dynamic projection device, method and projector
Patent number
11,402,732
Issue date
Aug 2, 2022
IVIEW DISPLAYS (SHENZHEN) COMPANY LTD.
Steve Yeung
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
INTERNAL-REFLECTIVE TELECENTRIC LENS SYSTEM
Publication number
20230194839
Publication date
Jun 22, 2023
Shenzhen Guangjian Technology Co., Ltd.
Tianshu ZHANG
G02 - OPTICS
Information
Patent Application
INTERNAL-REFLECTIVE TELECENTRIC LENS SYSTEM
Publication number
20220066181
Publication date
Mar 3, 2022
Shenzhen Guangjian Technology Co., Ltd.
Tianshu ZHANG
G02 - OPTICS
Information
Patent Application
DYNAMIC PROJECTION DEVICE, METHOD AND PROJECTOR
Publication number
20210223670
Publication date
Jul 22, 2021
IVIEW DISPLAYS (SHENZHEN) COMPANY LTD.
Steve Yeung
H04 - ELECTRIC COMMUNICATION TECHNIQUE