Inventor

Yongqiang Zhang

Inventor
Beijing, CN

Overview

17→
Patents
2013–2021
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

C07Dprimary
C07DHeterocyclic compounds12%
G06FElectric digital data processing12%
G09GArrangements or circuits for control of indicating devices using static means to present variable information12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
H01LSemiconductor devices5%
A44CPersonal adornments, e.g. jewellery2%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
C07CAcyclic or carbocyclic compounds2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2016Based in Longmont, CO, US· patent location history
2016–2017Patents assigned to Heraeus Precious Metals North America Daychem LLC (3)· patent assignee history
2016Patents assigned to BEIJING LENOVO SOFTWARE LTD (2)· patent assignee history
2016Patents assigned to LENOVO BEIJING LTD (2)· patent assignee history
2016–2021Based in Beijing, CN· patent location history
2016–2017Based in Centerville, OH, US· patent location history
2020–2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (2)· patent assignee history
2020Based in Shaanxi, CN· patent location history
2021Patents assigned to APPLE INC (3)· patent assignee history
2021Based in San Carlos, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLE INC32021
Heraeus Precious Metals North America Daychem LLC32016–2017
BEIJING LENOVO SOFTWARE LTD22016
BOE TECHNOLOGY GROUP CO LTD22020–2021
LENOVO BEIJING LTD22016
Locations
LocationPatentsSpan
Beijing, CN42016–2021
San Carlos, California, US32021
Centerville, OH, US22016–2017
Longmont, CO, US22013–2016
Shaanxi, CN12020