Jia-Jun Cao

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ShenZhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rotating shaft mechanism
- Patent number 11,022,170
- Issue date Jun 1, 2021
- Sintai Optical (Shenzhen) Co., Ltd.
- Sheng Luo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Binocular capable of measuring distance and prism and light transmi...
- Patent number 10,704,903
- Issue date Jul 7, 2020
- Sintai Optical (Shenzhen) Co., Ltd.
- Yue-Ye Chen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Ocular Structure for Observation Apparatus
- Publication number 20180275393
- Publication date Sep 27, 2018
- SINTAI OPTICAL (SHENZHEN) CO., LTD.
- Sheng Luo
- G02 - OPTICS
Information Patent Application
Rotating Shaft Mechanism
- Publication number 20180258981
- Publication date Sep 13, 2018
- SINTAI OPTICAL (SHENZHEN) CO., LTD.
- Sheng Luo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Binocular Capable of Measuring Distance and Prism and Light Transmi...
- Publication number 20170350697
- Publication date Dec 7, 2017
- SINTAI OPTICAL (SHENZHEN) CO., LTD.
- Yue-Ye Chen
- G02 - OPTICS