PERFECT VISION TECHNOLOGY (HK) LTD.

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Tsuen Wan, HK

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems of refraction automation for prescribing eyegla...
- Patent number 12,038,627
- Issue date Jul 16, 2024
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- G02 - OPTICS
Information Patent Grant
Methods and systems for updating refractive prescriptions and deliv...
- Patent number 10,893,798
- Issue date Jan 19, 2021
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and systems for determining refractive corrections of human...
- Patent number 10,884,265
- Issue date Jan 5, 2021
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and systems for measuring human faces for fitting, selectin...
- Patent number 10,082,682
- Issue date Sep 25, 2018
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and systems for measuring human faces and eyeglass frames
- Patent number 10,048,516
- Issue date Aug 14, 2018
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and devices for refractive correction of eyes
- Patent number 9,826,899
- Issue date Nov 28, 2017
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Systems and methods for remote measurement of the eyes and deliveri...
- Patent number 9,649,032
- Issue date May 16, 2017
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and devices for refractive correction of eyes
- Patent number 9,345,399
- Issue date May 24, 2016
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and systems for automated measurement of the eyes and deliv...
- Patent number 9,277,863
- Issue date Mar 8, 2016
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and devices for refractive correction of eyes
- Patent number 8,827,448
- Issue date Sep 9, 2014
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and devices for refractive correction of eyes
- Patent number 8,419,185
- Issue date Apr 16, 2013
- Perfect Vision Technology (HK) Ltd.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

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Patents Applicationslast 30 patents

Information Patent Application
Methods and Systems of Refraction Automation for Prescribing Eyegla...
- Publication number 20210018764
- Publication date Jan 21, 2021
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Methods and Systems for Determining Refractive Corrections of Human...
- Publication number 20200033633
- Publication date Jan 30, 2020
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHODS AND SYSTEMS FOR UPDATING REFRACTIVE PRESCRIPTIONS AND DELIV...
- Publication number 20190335993
- Publication date Nov 7, 2019
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Methods and Systems for Measuring Human Faces for Fitting, Selectin...
- Publication number 20180164610
- Publication date Jun 14, 2018
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Methods and Systems for Determining Refractive Corrections of Human...
- Publication number 20170329154
- Publication date Nov 16, 2017
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- G02 - OPTICS
Information Patent Application
Methods and Systems for Determining Refractive Corrections of Human...
- Publication number 20170325682
- Publication date Nov 16, 2017
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS AND METHODS FOR REMOTE MEASUREMENT OF THE EYES AND DELIVERI...
- Publication number 20170245758
- Publication date Aug 31, 2017
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- G02 - OPTICS
Information Patent Application
Methods And Devices For Refractive Correction Of Eyes
- Publication number 20160242641
- Publication date Aug 25, 2016
- PERFECT VISION TECHNOLOGY (HK) LTD.
- Junzhong Liang
- G02 - OPTICS

PERFECT VISION TECHNOLOGY (HK) LTD.

Organization

Patents Grantslast 30 patents

Methods and systems of refraction automation for prescribing eyegla...

Methods and systems for updating refractive prescriptions and deliv...

Methods and systems for determining refractive corrections of human...

Methods and systems for measuring human faces for fitting, selectin...

Methods and systems for measuring human faces and eyeglass frames

Methods and devices for refractive correction of eyes

Systems and methods for remote measurement of the eyes and deliveri...

Methods and devices for refractive correction of eyes

Methods and systems for automated measurement of the eyes and deliv...

Methods and devices for refractive correction of eyes

Methods and devices for refractive correction of eyes

Patents Applicationslast 30 patents

Methods and Systems of Refraction Automation for Prescribing Eyegla...

Methods and Systems for Determining Refractive Corrections of Human...

METHODS AND SYSTEMS FOR UPDATING REFRACTIVE PRESCRIPTIONS AND DELIV...

Methods and Systems for Measuring Human Faces for Fitting, Selectin...

Methods and Systems for Determining Refractive Corrections of Human...

Methods and Systems for Determining Refractive Corrections of Human...

SYSTEMS AND METHODS FOR REMOTE MEASUREMENT OF THE EYES AND DELIVERI...

Methods And Devices For Refractive Correction Of Eyes