Inventor
Hongyan Li
Inventor
Beijing, CN
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
F21VFunctional features or details of lighting devices or systems thereof6%
Y02ATechnologies for adaptation to climate change6%
C07DHeterocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
PatentTitleYear
10,869,313Orthogonal frequency division multiple access based uplink access method202010,741,170Speech recognition method and apparatus202010,624,871Bismuth(III) compounds and methods thereof202010,239,999Curable resin, spacer composition, filter, methods of preparing the same, and display device201910,201,518Bismuth(III) compounds and methods thereof201910,022,156Minimally invasive screw with double threaded plugs20189,975,085Container-type biogas purification film method purification system20189,670,321'Curable resin, blue photoresist, color filter, and methods of preparing the same, and color display device'20179,346,770'Compounds having activating effect on subtypes of peroxisome proliferator-activated receptors and its preparation method and uses'20168,988,177'Magnetic core having flux paths with substantially equivalent reluctance'20158,338,401'Coumarin-amide derivatives and its preparation, said drug composition and its use'20127,476,426'Evacuated glass panel having degassing device'20097,283,230'Semiconductor forensic light kit'20077,267,457'Method for detecting forensic evidence'20077,252,678'Forensic light using semiconductor light source'20076,954,270'Method for detecting forensic evidence'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2007Patents assigned to CAO GROUP INC (3)· patent assignee history
2005–2007Based in Sandy, UT, US· patent location history
2007–2016Patents assigned to LI HONGYAN (3)· patent assignee history
2009–2019Patents assigned to BOE TECHNOLOGY GROUP CO LTD (3)· patent assignee history
2009–2019Based in Beijing, CN· patent location history
2017–2019Patents assigned to BEIJING BOE OPTOELECTRONICS TECH CO LTD (2)· patent assignee history
2019–2020Patents assigned to UNIV HONG KONG (2)· patent assignee history
2019–2020Based in Ap Lei Chau, HK· patent location history
2020Based in Shaanxi, CN· patent location history
2020Based in Hangzhou, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOE TECHNOLOGY GROUP CO LTD | 3 | 2009–2019 |
| CAO GROUP INC | 3 | 2005–2007 |
| LI HONGYANself | 3 | 2007–2016 |
| BEIJING BOE OPTOELECTRONICS TECH CO LTD | 2 | 2017–2019 |
| UNIV HONG KONG | 2 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 5 | 2009–2019 |
| Sandy, UT, US | 4 | 2005–2007 |
| Ap Lei Chau, HK | 2 | 2019–2020 |
| Shaanxi, CN | 1 | 2020 |
| Hangzhou, CN | 1 | 2020 |