Nippon Seiki Co Ltd patents

Nippon Seiki Co Ltd holds 403 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents403
Recent patents82
First publicationJan 1, 2015
Latest publicationApr 2, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201538
201642
201738
201846
201947
202049
202134
202219
202318
202425
202538
20269
Browse patents by year
YearPatents
201538
201642
201738
201846
201947
202049
202134
202219
202318
202425
202538
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
G02B27/0101200
B60K35/00166
B60K35/23141
G02B27/01124
B60K35/81120

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

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

How many patents does Nippon Seiki Co Ltd have in patentsdb?
Nippon Seiki Co Ltd is linked to 403 publications as assignee in our database.
What technology areas does Nippon Seiki Co Ltd patent most?
Top mapped technology areas by patent count: Physics (383); Operations & Transport (295); Electricity (95).
Is Nippon Seiki Co Ltd's patent activity growing?
In our data, assignee counts were 25 in 2024 and 38 in 2025 (higher year over year).
What are recent patents assigned to Nippon Seiki Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.