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Richardson David R patents

Richardson David R holds 23 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents23
Recent patents0
First publicationJan 6, 2015
Latest publicationJul 5, 2022

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
20157
20166
20174
20182
20202
20211
20221
Browse patents by year
YearPatents
20157
20166
20174
20182
20202
20211
20221

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
H04L61/45119
H04L67/106
G06F3/0675
H04L67/10975
H04L67/5685

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Electricity19
Physics13