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Simpson John A patents

Simpson John A holds 2 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents2
Recent patents0
First publicationMay 5, 2015
Latest publicationJun 23, 2015

Filing trend

Year-over-year patent counts for this assignee.

Not enough yearly data to assess filing trend yet.

Patents filed per year
YearPatents
20152
Browse patents by year
YearPatents
20152

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
C22C30/001
B21F45/0081
A61M2025/091751
A61M2025/090911
A61M25/091

Technology areas

Mapped technology topics for this assignee.