Hao RUAN

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Jiading District, Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Radial servo device for super-resolution optical disc and servo con...
- Patent number 11,227,632
- Issue date Jan 18, 2022
- Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Hao Ruan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
RADIAL SERVO DEVICE FOR SUPER-RESOLUTION OPTICAL DISC AND SERVO CON...
- Publication number 20210151079
- Publication date May 20, 2021
- Hao RUAN
- G11 - INFORMATION STORAGE