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Yamamoto Ryuji patents

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

Company patent statistics
MetricValue
Total patents4
Recent patents0
First publicationJul 21, 2015
Latest publicationMay 10, 2016

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20153
20161
Browse patents by year
YearPatents
20153
20161

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
B65H1/2661
B41J13/1031
B65H2405/1131
B65H2405/3321
B65H1/041

Technology areas

Mapped technology topics for this assignee.