Psk Inc patents

Psk Inc holds 90 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents90
Recent patents37
First publicationJan 22, 2015
Latest publicationFeb 24, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201510
20169
20175
20185
20194
20202
20218
20228
20236
202418
202511
20264
Browse patents by year
YearPatents
201510
20169
20175
20185
20194
20202
20218
20228
20236
202418
202511
20264

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
H01J37/3271542
H10P72/042142
H01J37/324441
H01J2237/33439
H01J37/321120

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

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

How many patents does Psk Inc have in patentsdb?
Psk Inc is linked to 90 publications as assignee in our database.
What technology areas does Psk Inc patent most?
Top mapped technology areas by patent count: Electricity (86); Chemistry & Metallurgy (12); Physics (10).
Is Psk Inc's patent activity growing?
In our data, assignee counts were 18 in 2024 and 11 in 2025 (lower year over year).
What are recent patents assigned to Psk Inc?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.