How many patents does Nihon Parkerizing have in patentsdb?

Nihon Parkerizing is linked to 87 publications as assignee in our database.

What technology areas does Nihon Parkerizing patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (83); Operations & Transport (35); Mechanical Engineering (10).

In our data, assignee counts were 7 in 2024 and 5 in 2025 (lower year over year).

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

Nihon Parkerizing holds 87 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 declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	83
Operations & Transport	35
Mechanical Engineering	10
Cross-Sectional Technologies	10
Human Necessities	6
Electricity	6

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

How many patents does Nihon Parkerizing have in patentsdb?: Nihon Parkerizing is linked to 87 publications as assignee in our database.
What technology areas does Nihon Parkerizing patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (83); Operations & Transport (35); Mechanical Engineering (10).
Is Nihon Parkerizing's patent activity growing?: In our data, assignee counts were 7 in 2024 and 5 in 2025 (lower year over year).
What are recent patents assigned to Nihon Parkerizing?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.