How many patents does Tokyo Electron Ltd have in patentsdb?

Tokyo Electron Ltd is linked to 12,835 publications as assignee in our database.

What technology areas does Tokyo Electron Ltd patent most?

Top mapped technology areas by patent count: Electricity (12,072); Chemistry & Metallurgy (3,779); Physics (3,082).

In our data, assignee counts were 1,246 in 2024 and 1,521 in 2025 (higher year over year).

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

Tokyo Electron Ltd holds 12,835 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 stable.

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	12,072
Chemistry & Metallurgy	3,779
Physics	3,082
Operations & Transport	2,519
Cross-Sectional Technologies	488
Mechanical Engineering	474
Human Necessities	20
Textiles & Paper	4
Fixed Constructions	1

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

How many patents does Tokyo Electron Ltd have in patentsdb?: Tokyo Electron Ltd is linked to 12,835 publications as assignee in our database.
What technology areas does Tokyo Electron Ltd patent most?: Top mapped technology areas by patent count: Electricity (12,072); Chemistry & Metallurgy (3,779); Physics (3,082).
Is Tokyo Electron Ltd's patent activity growing?: In our data, assignee counts were 1,246 in 2024 and 1,521 in 2025 (higher year over year).
What are recent patents assigned to Tokyo Electron Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.