How many patents does Ishihara Sangyo Kaisha have in patentsdb?

Ishihara Sangyo Kaisha is linked to 182 publications as assignee in our database.

What technology areas does Ishihara Sangyo Kaisha patent most?

Top mapped technology areas by patent count: Human Necessities (119); Chemistry & Metallurgy (89); Cross-Sectional Technologies (29).

In our data, assignee counts were 9 in 2024 and 10 in 2025 (higher year over year).

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

Ishihara Sangyo Kaisha holds 182 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
Human Necessities	119
Chemistry & Metallurgy	89
Cross-Sectional Technologies	29
Electricity	28
Operations & Transport	15
Physics	2
Fixed Constructions	1

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

How many patents does Ishihara Sangyo Kaisha have in patentsdb?: Ishihara Sangyo Kaisha is linked to 182 publications as assignee in our database.
What technology areas does Ishihara Sangyo Kaisha patent most?: Top mapped technology areas by patent count: Human Necessities (119); Chemistry & Metallurgy (89); Cross-Sectional Technologies (29).
Is Ishihara Sangyo Kaisha's patent activity growing?: In our data, assignee counts were 9 in 2024 and 10 in 2025 (higher year over year).
What are recent patents assigned to Ishihara Sangyo Kaisha?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.