Visual acuity test method, apparatus and system
US-10143368-B2 · Dec 4, 2018 · US
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Dong Yefei patents
Dong Yefei is listed as an inventor on 26 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Dong Yefei |
| Total patents | 26 |
| First publication | Dec 24, 2015 |
| Latest publication | Dec 4, 2018 |
Notable patents
Publications ranked by popularity score, then publication date.
Automatic unattended-monitoring visual acuity inspection device
US-10105047-B2 · Oct 23, 2018 · US
Electronic apparatus for controlling a multi-field-of-view display apparatus, electronic system and control method
US-10092838-B2 · Oct 9, 2018 · US
Lighting device
US-9863599-B2 · Jan 9, 2018 · US
Assembled wearable device
US-9841781-B2 · Dec 12, 2017 · US
Vision testing apparatus and method
US-9693680-B2 · Jul 4, 2017 · US
Display apparatus and vehicle utilizing the same
US-2017184870-A1 · Jun 29, 2017 · US
Automatic unattended-monitoring visual acuity inspection device
US-2017127934-A1 · May 11, 2017 · US
Lighting display device having surface light source and display unit
US-9594297-B2 · Mar 14, 2017 · US
Illumination device, dedicated glasses, analyzer and illumination system
US-9594273-B2 · Mar 14, 2017 · US
Recent patents
Latest publications not already listed above.
A visual acuity test method, apparatus and system
US-2017055826-A1 · Mar 2, 2017 · US
Lighting system, lighting device and receiving device
US-9568766-B2 · Feb 14, 2017 · US
Wearable device
US-9563235-B2 · Feb 7, 2017 · US
Display apparatus
US-9557598-B2 · Jan 31, 2017 · US
Vision testing apparatus and method
US-2016270652-A1 · Sep 22, 2016 · US
Assembled wearable device
US-2016252115-A1 · Sep 1, 2016 · US
Electronic Apparatus, Electronic System and Control Method
US-2016250552-A1 · Sep 1, 2016 · US
Wearable Device
US-2016252928-A1 · Sep 1, 2016 · US
Lighting device
US-2016178157-A1 · Jun 23, 2016 · US
Display system
US-9311869-B2 · Apr 12, 2016 · US
Display system
US-2016012786-A1 · Jan 14, 2016 · US
Display apparatus
US-2016011459-A1 · Jan 14, 2016 · US
Lighting display device
US-2016011496-A1 · Jan 14, 2016 · US
Display panel and display device
US-2015370108-A1 · Dec 24, 2015 · US
Lighting system, lighting device and receiving device
US-2015370127-A1 · Dec 24, 2015 · US
Illumination Device, Dedicated Glasses, Analyzer and Illumination System
US-2015370128-A1 · Dec 24, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Boe Technology Group Co Ltd | 26 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02F1/133528 | 9 |
| A61B3/032 | 6 |
| G02F2001/133531 | 5 |
| A61B3/066 | 4 |
| A61B3/0025 | 4 |