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Dou Letian patents

Dou Letian holds 4 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents4
Recent patents0
First publicationAug 23, 2016
Latest publicationDec 8, 2020

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
20161
20171
20181
20201
Browse patents by year
YearPatents
20161
20171
20181
20201

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.