How many patents does Nihon Plast Co Ltd have in patentsdb?

Nihon Plast Co Ltd is linked to 168 publications as assignee in our database.

What technology areas does Nihon Plast Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (165); Mechanical Engineering (13); Cross-Sectional Technologies (12).

In our data, assignee counts were 11 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 Plast Co Ltd holds 168 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 rapidly declining.

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
Operations & Transport	165
Mechanical Engineering	13
Cross-Sectional Technologies	12
Electricity	10
Physics	4
Chemistry & Metallurgy	4
Fixed Constructions	3
Textiles & Paper	3
Human Necessities	2

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

How many patents does Nihon Plast Co Ltd have in patentsdb?: Nihon Plast Co Ltd is linked to 168 publications as assignee in our database.
What technology areas does Nihon Plast Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (165); Mechanical Engineering (13); Cross-Sectional Technologies (12).
Is Nihon Plast Co Ltd's patent activity growing?: In our data, assignee counts were 11 in 2024 and 5 in 2025 (lower year over year).
What are recent patents assigned to Nihon Plast Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.