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Yamaguchi Kouji patents

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

Company patent statistics
MetricValue
Total patents4
Recent patents0
First publicationAug 18, 2015
Latest publicationSep 3, 2019

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20152
20171
20191
Browse patents by year
YearPatents
20152
20171
20191

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
C01B33/14852
C09K3/14632
C01B33/14352
F24F7/0071
F24F1/00071

Technology areas

Mapped technology topics for this assignee.