Inventor
Qingtao Li
Inventor
Guangdong, CN
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels23%
C09KMaterials for miscellaneous applications, not provided for elsewhere23%
H01JElectric discharge tubes or discharge lamps20%
Y10TTechnical subjects covered by former us classification17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H01LSemiconductor devices3%
H03KPulse technique3%
H10HInorganic light-emitting semiconductor devices having potential barriers3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
PatentTitleYear
11,095,279Generalized pulse width modulation technique for specific inter-harmonics control of the inverters20219,102,874'Luminescent element, preparation method thereof and luminescence method'20159,096,799'Luminescent element, preparation method thereof and luminescence method'20159,096,796'Luminescent element, preparation method thereof and luminescence method'20159,000,667'Luminescent element, preparation method thereof and luminescence method'20158,980,132'Borosilicate luminescent material and preparing method thereof'20158,925,349'Rare earth ion doped silicate luminescence glass and preparation method thereof'20158,786,171'Field emission light source device and manufacturing method thereof'20148,592,333'Green light-emitting glass and method of preparing the same'20138,525,400'Luminescent element, preparation method thereof and luminescence method'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2015Patents assigned to LI QINGTAO (9)· patent assignee history
2013–2015Patents assigned to MA WENBO (9)· patent assignee history
2013–2015Patents assigned to OCEANS KING LIGHTING SCIENCE (9)· patent assignee history
2013–2015Patents assigned to ZHOU MINGJIE (9)· patent assignee history
2013–2015Patents assigned to LIU YUGANG (5)· patent assignee history
2013–2015Based in Guangdong, CN· patent location history
2013–2015Based in Shenzhen, CN· patent location history
2021Based in Hubei, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LI QINGTAOself | 9 | 2013–2015 |
| MA WENBO | 9 | 2013–2015 |
| OCEANS KING LIGHTING SCIENCE | 9 | 2013–2015 |
| ZHOU MINGJIE | 9 | 2013–2015 |
| LIU YUGANG | 5 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Guangdong, CN | 5 | 2013–2015 |
| Shenzhen, CN | 4 | 2013–2015 |
| Hubei, CN | 1 | 2021 |