How many patents does Hoya Corp have in patentsdb?

Hoya Corp is linked to 1,561 publications as assignee in our database.

What technology areas does Hoya Corp patent most?

Top mapped technology areas by patent count: Physics (1,229); Human Necessities (586); Electricity (392).

In our data, assignee counts were 158 in 2024 and 102 in 2025 (lower year over year).

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

Hoya Corp holds 1,561 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
Physics	1,229
Human Necessities	586
Electricity	392
Chemistry & Metallurgy	386
Operations & Transport	205
Cross-Sectional Technologies	79
Mechanical Engineering	18
Textiles & Paper	1

Free tools are coming soon. Tell us what you want to track and we'll notify you.

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

How many patents does Hoya Corp have in patentsdb?: Hoya Corp is linked to 1,561 publications as assignee in our database.
What technology areas does Hoya Corp patent most?: Top mapped technology areas by patent count: Physics (1,229); Human Necessities (586); Electricity (392).
Is Hoya Corp's patent activity growing?: In our data, assignee counts were 158 in 2024 and 102 in 2025 (lower year over year).
What are recent patents assigned to Hoya Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.