How many patents does Yoshino Gypsum Co have in patentsdb?

Yoshino Gypsum Co is linked to 124 publications as assignee in our database.

What technology areas does Yoshino Gypsum Co patent most?

Top mapped technology areas by patent count: Operations & Transport (75); Chemistry & Metallurgy (60); Fixed Constructions (43).

In our data, assignee counts were 16 in 2024 and 11 in 2025 (lower year over year).

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

Yoshino Gypsum Co holds 124 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 growing.

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	75
Chemistry & Metallurgy	60
Fixed Constructions	43
Cross-Sectional Technologies	24
Human Necessities	19
Physics	17
Mechanical Engineering	14
Textiles & Paper	1

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

How many patents does Yoshino Gypsum Co have in patentsdb?: Yoshino Gypsum Co is linked to 124 publications as assignee in our database.
What technology areas does Yoshino Gypsum Co patent most?: Top mapped technology areas by patent count: Operations & Transport (75); Chemistry & Metallurgy (60); Fixed Constructions (43).
Is Yoshino Gypsum Co's patent activity growing?: In our data, assignee counts were 16 in 2024 and 11 in 2025 (lower year over year).
What are recent patents assigned to Yoshino Gypsum Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.