PERFECT VISION TECHNOLOGY (HK) LTD.

Patent Applications and Registrations

Patent applications and USPTO patent grants for PERFECT VISION TECHNOLOGY (HK) LTD..The latest application filed is for "methods and systems of optical diagnosis for refractive eye exams".

Company Profile

9.18.19

PERFECT VISION TECHNOLOGY (HK) LTD. - Hong Kong CN
PERFECT VISION TECHNOLOGY (HK) LTD. - Tsuen Wan HK
PERFECT VISION TECHNOLOGY (HK) LTD. - HK
Perfect Vision Technology (HK) Ltd. - Tsuen Wan, N.T. N/A HK

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods And Systems Of Optical Diagnosis For Refractive Eye Exams App 20210338074 - Liang; Junzhong ; et al.	2021-11-04
Methods and Systems of Refraction Automation for Prescribing Eyeglasses App 20210018764 - Liang; Junzhong	2021-01-21
Methods and systems for updating refractive prescriptions and delivering eyeglasses and contact lenses Grant 10,893,798 - Liang January 19, 2	2021-01-19
Methods and systems for determining refractive corrections of human eyes for eyeglasses Grant 10,884,265 - Liang January 5, 2	2021-01-05
Methods and Systems for Determining Refractive Corrections of Human Eyes for Eyeglasses App 20200033633 - Liang; Junzhong	2020-01-30
Methods And Systems For Updating Refractive Prescriptions And Delivering Eyeglasses And Contact Lenses App 20190335993 - Liang; Junzhong	2019-11-07
Methods and systems for determining refractive corrections of human eyes for eyeglasses Grant 10,444,539 - Liang Oc	2019-10-15
Methods and systems for measuring human faces for fitting, selecting, and optimizing eyeglasses Grant 10,082,682 - Liang September 25, 2	2018-09-25
Methods and systems for measuring human faces and eyeglass frames Grant 10,048,516 - Liang August 14, 2	2018-08-14
Methods and Systems for Measuring Human Faces for Fitting, Selecting, and Optimizing Eyeglasses App 20180164610 - Liang; Junzhong	2018-06-14
Methods And Systems For Measuring Human Faces And Eyeglass Frames App 20180164609 - Liang; Junzhong	2018-06-14
Methods and devices for refractive correction of eyes Grant 9,826,899 - Liang November 28, 2	2017-11-28
Methods and Systems for Determining Refractive Corrections of Human Eyes for Eyeglasses App 20170325682 - Liang; Junzhong	2017-11-16
Methods and Systems for Determining Refractive Corrections of Human Eyes for Eyeglasses App 20170329154 - Liang; Junzhong	2017-11-16
Systems And Methods For Remote Measurement Of The Eyes And Delivering Of Sunglasses And Eyeglasses App 20170245758 - Liang; Junzhong	2017-08-31
Systems and methods for remote measurement of the eyes and delivering of sunglasses and eyeglasses Grant 9,649,032 - Liang May 16, 2	2017-05-16
Methods And Devices For Refractive Correction Of Eyes App 20160242641 - Liang; Junzhong	2016-08-25
Methods and devices for refractive correction of eyes Grant 9,345,399 - Liang May 24, 2	2016-05-24
Methods and systems for automated measurement of the eyes and delivering of sunglasses and eyeglasses Grant 9,277,863 - Liang March 8, 2	2016-03-08
Systems And Methods For Remote Measurement Of The Eyes And Delivering Of Sunglasses And Eyeglasses App 20150305619 - Liang; Junzhong	2015-10-29
Methods And Devices For Refractive Correction Of Eyes App 20140368795 - Liang; Junzhong	2014-12-18
Methods and devices for refractive correction of eyes Grant 8,827,448 - Liang September 9, 2	2014-09-09
Methods and devices for refractive correction of eyes Grant 8,419,185 - Liang April 16, 2	2013-04-16

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