How many patents does Hirata Spinning have in patentsdb?

Hirata Spinning is linked to 193 publications as assignee in our database.

What technology areas does Hirata Spinning patent most?

Top mapped technology areas by patent count: Operations & Transport (134); Electricity (76); Mechanical Engineering (38).

In our data, assignee counts were 10 in 2024 and 15 in 2025 (higher year over year).

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

Hirata Spinning holds 193 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	134
Electricity	76
Mechanical Engineering	38
Physics	38
Cross-Sectional Technologies	33
Human Necessities	9
Chemistry & Metallurgy	5
Fixed Constructions	4

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

How many patents does Hirata Spinning have in patentsdb?: Hirata Spinning is linked to 193 publications as assignee in our database.
What technology areas does Hirata Spinning patent most?: Top mapped technology areas by patent count: Operations & Transport (134); Electricity (76); Mechanical Engineering (38).
Is Hirata Spinning's patent activity growing?: In our data, assignee counts were 10 in 2024 and 15 in 2025 (higher year over year).
What are recent patents assigned to Hirata Spinning?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.