How many patents does Hayashibara Co have in patentsdb?

Hayashibara Co is linked to 76 publications as assignee in our database.

What technology areas does Hayashibara Co patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (57); Human Necessities (56); Cross-Sectional Technologies (11).

In our data, assignee counts were 9 in 2024 and 2 in 2025 (lower year over year).

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

Hayashibara Co holds 76 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 rapidly 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	57
Human Necessities	56
Cross-Sectional Technologies	11
Physics	3
Electricity	3
Operations & Transport	2

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

How many patents does Hayashibara Co have in patentsdb?: Hayashibara Co is linked to 76 publications as assignee in our database.
What technology areas does Hayashibara Co patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (57); Human Necessities (56); Cross-Sectional Technologies (11).
Is Hayashibara Co's patent activity growing?: In our data, assignee counts were 9 in 2024 and 2 in 2025 (lower year over year).
What are recent patents assigned to Hayashibara Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.