PatentsDB
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Yamaoka Keisuke patents

Yamaoka Keisuke holds 20 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents20
Recent patents3
First publicationApr 28, 2015
Latest publicationApr 1, 2025

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
20151
20171
20194
20203
20214
20221
20234
20241
20251
Browse patents by year
YearPatents
20151
20171
20194
20203
20214
20221
20234
20241
20251

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
H10H20/013718
C01B21/07218
C30B29/40318
C30B23/06618
H10P14/290810

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Electricity19
Chemistry & Metallurgy18
Physics2