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Qin Haihu patents

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

Company patent statistics
MetricValue
Total patents3
Recent patents0
First publicationJan 20, 2015
Latest publicationDec 27, 2016

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
20152
20161
Browse patents by year
YearPatents
20152
20161

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
C10M2209/0843
C10N2020/043
C10N2220/0213
C10M2215/282
C10M2223/0452

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Chemistry & Metallurgy3