Li Zengmin patents

Li Zengmin holds 25 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents25
Recent patents1
First publicationMar 19, 2015
Latest publicationJun 4, 2024

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20153
20162
20174
20184
20194
20202
20212
20223
20241
Browse patents by year
YearPatents
20153
20162
20174
20184
20194
20202
20212
20223
20241

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
C12Q1/686922
C07H19/1013
C07H19/2013
C12Q1/687412
C07H19/149

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Chemistry & Metallurgy25
Human Necessities8
Physics3

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Frequently asked questions

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

How many patents does Li Zengmin have in patentsdb?
Li Zengmin is linked to 25 publications as assignee in our database.
What technology areas does Li Zengmin patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (25); Human Necessities (8); Physics (3).
Is Li Zengmin's patent activity growing?
In our data, assignee counts were 3 in 2022 and 1 in 2024 (lower year over year).
What are recent patents assigned to Li Zengmin?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.