How many patents does Nippon Catalytic Chem Ind have in patentsdb?

Nippon Catalytic Chem Ind is linked to 616 publications as assignee in our database.

What technology areas does Nippon Catalytic Chem Ind patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (564); Operations & Transport (283); Human Necessities (146).

In our data, assignee counts were 53 in 2024 and 40 in 2025 (lower year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Nippon Catalytic Chem Ind holds 616 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	564
Operations & Transport	283
Human Necessities	146
Cross-Sectional Technologies	137
Electricity	93
Physics	47
Mechanical Engineering	27
Textiles & Paper	11
Fixed Constructions	7

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

How many patents does Nippon Catalytic Chem Ind have in patentsdb?: Nippon Catalytic Chem Ind is linked to 616 publications as assignee in our database.
What technology areas does Nippon Catalytic Chem Ind patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (564); Operations & Transport (283); Human Necessities (146).
Is Nippon Catalytic Chem Ind's patent activity growing?: In our data, assignee counts were 53 in 2024 and 40 in 2025 (lower year over year).
What are recent patents assigned to Nippon Catalytic Chem Ind?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.