Yokowo Seisakusho Kk patents

Yokowo Seisakusho Kk holds 352 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents352
Recent patents142
First publicationApr 23, 2015
Latest publicationMar 26, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20157
20169
201713
201814
201932
202028
202142
202246
202343
202455
202554
20269
Browse patents by year
YearPatents
20157
20169
201713
201814
201932
202028
202142
202246
202343
202455
202554
20269

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
H01Q1/3275152
H01Q1/4272
H01Q21/2866
H01Q1/3262
H01Q1/4861

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Yokowo Seisakusho Kk have in patentsdb?
Yokowo Seisakusho Kk is linked to 352 publications as assignee in our database.
What technology areas does Yokowo Seisakusho Kk patent most?
Top mapped technology areas by patent count: Electricity (281); Physics (102); Operations & Transport (35).
Is Yokowo Seisakusho Kk's patent activity growing?
In our data, assignee counts were 55 in 2024 and 54 in 2025 (lower year over year).
What are recent patents assigned to Yokowo Seisakusho Kk?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.