How many patents does Tokyo Seimitsu Co Ltd have in patentsdb?

Tokyo Seimitsu Co Ltd is linked to 214 publications as assignee in our database.

What technology areas does Tokyo Seimitsu Co Ltd patent most?

Top mapped technology areas by patent count: Physics (139); Electricity (98); Operations & Transport (85).

In our data, assignee counts were 40 in 2024 and 41 in 2025 (higher year over year).

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

Tokyo Seimitsu Co Ltd holds 214 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 growing.

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
Physics	139
Electricity	98
Operations & Transport	85
Mechanical Engineering	8
Cross-Sectional Technologies	6

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

How many patents does Tokyo Seimitsu Co Ltd have in patentsdb?: Tokyo Seimitsu Co Ltd is linked to 214 publications as assignee in our database.
What technology areas does Tokyo Seimitsu Co Ltd patent most?: Top mapped technology areas by patent count: Physics (139); Electricity (98); Operations & Transport (85).
Is Tokyo Seimitsu Co Ltd's patent activity growing?: In our data, assignee counts were 40 in 2024 and 41 in 2025 (higher year over year).
What are recent patents assigned to Tokyo Seimitsu Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.