How many patents does Tokai Rika Co Ltd have in patentsdb?

Tokai Rika Co Ltd is linked to 1,548 publications as assignee in our database.

What technology areas does Tokai Rika Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (997); Physics (804); Electricity (639).

In our data, assignee counts were 122 in 2024 and 88 in 2025 (lower year over year).

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

Tokai Rika Co Ltd holds 1,548 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Operations & Transport	997
Physics	804
Electricity	639
Mechanical Engineering	228
Fixed Constructions	116
Cross-Sectional Technologies	103
Human Necessities	70
Textiles & Paper	3
Chemistry & Metallurgy	2

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

How many patents does Tokai Rika Co Ltd have in patentsdb?: Tokai Rika Co Ltd is linked to 1,548 publications as assignee in our database.
What technology areas does Tokai Rika Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (997); Physics (804); Electricity (639).
Is Tokai Rika Co Ltd's patent activity growing?: In our data, assignee counts were 122 in 2024 and 88 in 2025 (lower year over year).
What are recent patents assigned to Tokai Rika Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.