Liu Xuefeng patents

Liu Xuefeng holds 9 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents9
Recent patents0
First publicationFeb 3, 2015
Latest publicationJun 18, 2019

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20155
20163
20191
Browse patents by year
YearPatents
20155
20163
20191

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
G03F7/706253
G01N21/956073
G01N21/47883
G01N2021/956153
G01N21/95012

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Physics6
Electricity3
Human Necessities1
Chemistry & Metallurgy1

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Liu Xuefeng have in patentsdb?
Liu Xuefeng is linked to 9 publications as assignee in our database.
What technology areas does Liu Xuefeng patent most?
Top mapped technology areas by patent count: Physics (6); Electricity (3); Human Necessities (1).
Is Liu Xuefeng's patent activity growing?
In our data, assignee counts were 3 in 2016 and 1 in 2019 (lower year over year).
What are recent patents assigned to Liu Xuefeng?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.