How many patents does Tokai Ryokaku Tetsudo Kk have in patentsdb?

Tokai Ryokaku Tetsudo Kk is linked to 110 publications as assignee in our database.

What technology areas does Tokai Ryokaku Tetsudo Kk patent most?

Top mapped technology areas by patent count: Operations & Transport (73); Cross-Sectional Technologies (40); Electricity (39).

In our data, assignee counts were 7 in 2021 and 5 in 2022 (lower year over year).

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

Tokai Ryokaku Tetsudo Kk holds 110 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	73
Cross-Sectional Technologies	40
Electricity	39
Physics	29
Mechanical Engineering	7
Fixed Constructions	6
Chemistry & Metallurgy	4
Human Necessities	2

Free tools are coming soon. Tell us what you want to track and we'll notify you.

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

How many patents does Tokai Ryokaku Tetsudo Kk have in patentsdb?: Tokai Ryokaku Tetsudo Kk is linked to 110 publications as assignee in our database.
What technology areas does Tokai Ryokaku Tetsudo Kk patent most?: Top mapped technology areas by patent count: Operations & Transport (73); Cross-Sectional Technologies (40); Electricity (39).
Is Tokai Ryokaku Tetsudo Kk's patent activity growing?: In our data, assignee counts were 7 in 2021 and 5 in 2022 (lower year over year).
What are recent patents assigned to Tokai Ryokaku Tetsudo Kk?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.