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Qu Qi patents

Qu Qi holds 15 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents15
Recent patents0
First publicationMay 19, 2015
Latest publicationFeb 25, 2020

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
20151
20163
20175
20184
20191
20201
Browse patents by year
YearPatents
20151
20163
20175
20184
20191
20201

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
C09K8/6859
C09K2208/267
E21B43/267
C09K8/627
C09K8/686

Technology areas

Mapped technology topics for this assignee.