How many patents does Sanyo Special Steel Co Ltd have in patentsdb?

Sanyo Special Steel Co Ltd is linked to 86 publications as assignee in our database.

What technology areas does Sanyo Special Steel Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (82); Operations & Transport (73); Electricity (36).

In our data, assignee counts were 8 in 2024 and 3 in 2025 (lower year over year).

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

Sanyo Special Steel Co Ltd holds 86 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
Chemistry & Metallurgy	82
Operations & Transport	73
Electricity	36
Cross-Sectional Technologies	26
Mechanical Engineering	5
Physics	4

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

How many patents does Sanyo Special Steel Co Ltd have in patentsdb?: Sanyo Special Steel Co Ltd is linked to 86 publications as assignee in our database.
What technology areas does Sanyo Special Steel Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (82); Operations & Transport (73); Electricity (36).
Is Sanyo Special Steel Co Ltd's patent activity growing?: In our data, assignee counts were 8 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Sanyo Special Steel Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.