Yefei Dong has been granted 12 US patents while listed as an inventor at BOE . The first was granted in 2016 and the most recent in December 2018. Yefei Dong ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Yefei Dong in Beijing, CN.
Patents per Year Patents granted per year, 2016 to 2018 Bar chart with a peak of 7 patents in 2017. peak 7 2016: 1 patents 2016 2017: 7 patents 2017 2018: 4 patents 2018
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
10143368
Visual acuity test method, apparatus and system
Li Yang
2018-12-04
10105047
Automatic unattended-monitoring visual acuity inspection device
Wenbo Li , Yanbing Wu
2018-10-23
10092838
Electronic apparatus for controlling a multi-field-of-view display apparatus, electronic system and control method
Li Yang , Wenbo Li
2018-10-09
9863599
Lighting device
Wenbo Li , Yanbing Wu
2018-01-09
9841781
Assembled wearable device
Xin Wang , Changlin Leng
2017-12-12
9693680
Vision testing apparatus and method
Li Yang
2017-07-04
9594273
Illumination device, dedicated glasses, analyzer and illumination system
Wenbo Li , Yanbing Wu , Chunyan Ji
2017-03-14
9594297
Lighting display device having surface light source and display unit
Wenbo Li , Yanbing Wu
2017-03-14
9568766
Lighting system, lighting device and receiving device
Wenbo Li
2017-02-14
9563235
Wearable device
Lei Cao , Changlin Leng
2017-02-07
9557598
Display apparatus
Wenbo Li
2017-01-31
9311869
Display system
Wenbo Li , Yanbing Wu
2016-04-12