Nippon Steel Chemical & Mat Co Ltd patents

Nippon Steel Chemical & Mat Co Ltd holds 293 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents293
Recent patents115
First publicationFeb 19, 2019
Latest publicationApr 9, 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
201927
202045
202136
202245
202353
202444
202533
202610
Browse patents by year
YearPatents
201927
202045
202136
202245
202353
202444
202533
202610

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
H10K85/657278
C09K11/0673
H10K50/1172
H10K85/65470
H10K85/657459

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 Nippon Steel Chemical & Mat Co Ltd have in patentsdb?
Nippon Steel Chemical & Mat Co Ltd is linked to 293 publications as assignee in our database.
What technology areas does Nippon Steel Chemical & Mat Co Ltd patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (265); Electricity (209); Operations & Transport (119).
Is Nippon Steel Chemical & Mat Co Ltd's patent activity growing?
In our data, assignee counts were 44 in 2024 and 33 in 2025 (lower year over year).
What are recent patents assigned to Nippon Steel Chemical & Mat Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.