Citizen Holdings Co Ltd patents

Citizen Holdings Co Ltd holds 317 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents317
Recent patents0
First publicationJan 6, 2015
Latest publicationJun 22, 2021

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
2015113
2016122
201765
20188
20197
20201
20211
Browse patents by year
YearPatents
2015113
2016122
201765
20188
20197
20201
20211

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
H10W90/0045
H10H20/85637
H10H20/85735
H01L33/6235
H01L25/075334

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

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

How many patents does Citizen Holdings Co Ltd have in patentsdb?
Citizen Holdings Co Ltd is linked to 317 publications as assignee in our database.
What technology areas does Citizen Holdings Co Ltd patent most?
Top mapped technology areas by patent count: Physics (130); Electricity (128); Mechanical Engineering (59).
Is Citizen Holdings Co Ltd's patent activity growing?
In our data, assignee counts were 1 in 2020 and 1 in 2021 (similar year over year).
What are recent patents assigned to Citizen Holdings Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.