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Inventor

Qian Xu

Inventor
Beijing, CN

Overview

10→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B25Fprimary
B25FCombination or multi-purpose tools not otherwise provided for8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
H04NPictorial communication, e.g. television8%
A41BShirts4%
A43BCharacteristic features of footwear4%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons4%
A61NElectrotherapy4%
B24BMachines, devices, or processes for grinding or polishing4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
PatentTitleYear
10,991,568Ion resonance excitation operation method and device by applying a quadrupolar electric field combined with a dipolar electric field202110,986,878Composite waterproof breathable sock with two-way extensible properties202110,972,023Power tool and control method thereof202110,965,947Methods and apparatus for video encoding and decoding binary sets using adaptive tree selection202110,949,596System, method, and computer program product for simultaneous routing and placement in an electronic circuit design202110,917,651Methods and apparatus for video encoding and decoding binary sets using adaptive tree selection202110,903,730Power tool202110,265,232Prefabricated modular radiation therapy vault design20195,885,483'Long afterglow phosphor and a process for the preparing thereof'19995,853,614'Long decay luminescent material'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to BEIJING HONGYE COATING MATERIA (1)· patent assignee history
1999–2021Based in Beijing, CN· patent location history
2021Patents assigned to INTERDIGITAL VC HOLDINGS INC (2)· patent assignee history
2021Patents assigned to NANJING CHERVON IND CO LTD (2)· patent assignee history
2021Patents assigned to BEIJING INSTITUTE TECH (1)· patent assignee history
2021Patents assigned to CADENCE DESIGN SYSTEMS INC (1)· patent assignee history
2021Based in Folsom, CA, US· patent location history
2021Based in Shanghai, CN· patent location history
2021Based in Jiangsu, CN· patent location history
2021Based in University Park, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INTERDIGITAL VC HOLDINGS INC22021
NANJING CHERVON IND CO LTD22021
BEIJING HONGYE COATING MATERIA11998
BEIJING INSTITUTE TECH12021
CADENCE DESIGN SYSTEMS INC12021
Locations
LocationPatentsSpan
Beijing, CN21999–2021
Folsom, California, US22021
Shanghai, CN12021
Jiangsu, CN12021
University Park, Maryland, US12021