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Zhang Di patents

Zhang Di holds 9 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents9
Recent patents0
First publicationApr 21, 2015
Latest publicationJun 16, 2020

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20152
20162
20172
20181
20191
20201
Browse patents by year
YearPatents
20152
20162
20172
20181
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
B33Y10/006
B29K2071/006
B33Y30/006
C08G65/486
C08G2650/406

Technology areas

Mapped technology topics for this assignee.