Inventor
Xiaofeng Yuan
Inventor
Palo Alto, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines11%
Y02TClimate change mitigation technologies related to transportation9%
F21KNon-electric light sources using luminescence6%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted6%
G02BOptical elements, systems or apparatus6%
H01LSemiconductor devices6%
H10HInorganic light-emitting semiconductor devices having potential barriers6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
A61NElectrotherapy3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
PatentTitleYear
11,127,721Full spectrum white light emitting devices202111,061,180Color liquid crystal displays and display backlights202111,054,090High gamut index solid-state white light emitting devices202110,982,617Split direct injection for reactivated cylinders of an internal combustion engine202110,954,877Adaptive torque mitigation by micro-hybrid system202110,941,722Method and apparatus for determining optimum skip fire firing profile2021D0909163Cap gun bottle opener202110,900,425Engine diagnostics during cylinder cut off operation202110,647,073Method and apparatus for assembling multilayer microlens array elements2020D0837746Switch201910,065,928Quinolinone compound and use thereof2018D0822651Gateway2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2019Patents assigned to LUCIS TECH HOLDINGS LIMITED (2)· patent assignee history
2018–2020Based in Shanghai, CN· patent location history
2018Based in Dongguan, CN· patent location history
2020Patents assigned to SEMICONDUCTOR MFG INT BEIJING CORP (1)· patent assignee history
2021Patents assigned to TULA TECHNOLOGY INC (4)· patent assignee history
2021Patents assigned to INTEMATIX CORP (3)· patent assignee history
2021Patents assigned to GM GLOBAL TECH OPERATIONS LLC (1)· patent assignee history
2021Based in Palo Alto, CA, US· patent location history
2021Based in Manteca, CA, US· patent location history
2021Based in Kowloon, HK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TULA TECHNOLOGY INC | 4 | 2021 |
| INTEMATIX CORP | 3 | 2021 |
| LUCIS TECH HOLDINGS LIMITED | 2 | 2018–2019 |
| GM GLOBAL TECH OPERATIONS LLC | 1 | 2021 |
| SEMICONDUCTOR MFG INT BEIJING CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 4 | 2021 |
| Manteca, California, US | 3 | 2021 |
| Shanghai, CN | 3 | 2018–2020 |
| Kowloon, HK | 1 | 2021 |
| Dongguan, CN | 1 | 2018 |