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Xu Changlong patents

Xu Changlong holds 14 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents14
Recent patents2
First publicationJan 6, 2015
Latest publicationFeb 17, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20153
20161
20215
20221
20232
20251
20261
Browse patents by year
YearPatents
20153
20161
20215
20221
20232
20251
20261

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
H04L1/00576
H04L1/00415
H04L1/18125
H03M13/135
H04L1/00614

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Electricity14
Physics1