Baotong HAO

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Objective lens protection device, objective lens system and lithogr...
- Patent number 10,983,448
- Issue date Apr 20, 2021
- SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO., LTD.
- Xianming Li
- G02 - OPTICS
Information Patent Grant
Lens contamination prevention device and method
- Patent number 10,539,887
- Issue date Jan 21, 2020
- SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO., LTD.
- Baotong Hao
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OBJECTIVE LENS PROTECTION DEVICE, OBJECTIVE LENS SYSTEM AND LITHOGR...
- Publication number 20200166856
- Publication date May 28, 2020
- SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO., LTD.
- Xianming LI
- G02 - OPTICS
Information Patent Application
LENS CONTAMINATION PREVENTION DEVICE AND METHOD
- Publication number 20190187561
- Publication date Jun 20, 2019
- SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO., LTD.
- Baotong HAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY