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Chu Wenhua patents

Chu Wenhua holds 3 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents3
Recent patents0
First publicationMay 19, 2015
Latest publicationFeb 8, 2022

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20151
20171
20221
Browse patents by year
YearPatents
20151
20171
20221

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
C07D213/522
C07B59/0012
C07H3/022
C07D233/912
C07C67/3072

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Chemistry & Metallurgy3