How many patents does Toyota Chuo Kenkyusho Kk have in patentsdb?

Toyota Chuo Kenkyusho Kk is linked to 521 publications as assignee in our database.

What technology areas does Toyota Chuo Kenkyusho Kk patent most?

Top mapped technology areas by patent count: Electricity (236); Cross-Sectional Technologies (212); Chemistry & Metallurgy (189).

In our data, assignee counts were 20 in 2024 and 13 in 2025 (lower year over year).

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

Toyota Chuo Kenkyusho Kk holds 521 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
Electricity	236
Cross-Sectional Technologies	212
Chemistry & Metallurgy	189
Operations & Transport	135
Mechanical Engineering	119
Physics	81
Textiles & Paper	17
Human Necessities	11

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

How many patents does Toyota Chuo Kenkyusho Kk have in patentsdb?: Toyota Chuo Kenkyusho Kk is linked to 521 publications as assignee in our database.
What technology areas does Toyota Chuo Kenkyusho Kk patent most?: Top mapped technology areas by patent count: Electricity (236); Cross-Sectional Technologies (212); Chemistry & Metallurgy (189).
Is Toyota Chuo Kenkyusho Kk's patent activity growing?: In our data, assignee counts were 20 in 2024 and 13 in 2025 (lower year over year).
What are recent patents assigned to Toyota Chuo Kenkyusho Kk?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.