Where does Citizen Holdings Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Citizen Holdings Co., Ltd. ranks #2,523 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Citizen Holdings Co., Ltd. hold?

Citizen Holdings Co., Ltd. holds 154 US utility patents granted between 2015 and 2019, spanning 73 technology areas.

What is Citizen Holdings Co., Ltd.'s Innovation Score?

Citizen Holdings Co., Ltd. has an Innovation Score of 47.3 out of 100 (top 19% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Citizen Holdings Co., Ltd. focus on?

Citizen Holdings Co., Ltd.'s top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 33 patents. Grants appear in 73 CPC subclasses total.

Is Citizen Holdings Co., Ltd.'s patent grant rate increasing or decreasing?

Citizen Holdings Co., Ltd.'s recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Citizen Holdings Co., Ltd.'s patents?

Citizen Holdings Co., Ltd.'s patents average 8.2 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Citizen Holdings Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Citizen Holdings Co., Ltd.

USPTO PatentsView assignee record - 154 granted patents across 73 technology areas, recorded in grant years 2015–2019. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: H01L (Semiconductor Devices NOT Covered BY Class H10).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Citizen ranks #2,523 of 49,997 tracked US assignees by granted-patent volume, with 154 patents across 73 technology areas.

#2,523
of 49,997 US assignees by volume: Top 19%
by Innovation Score (47.3/100): 8.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2523 · Foreign Corporation #2,523 · 154 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MID 154 grants
TOP-DECILE #2,523/49,997
PHOTO-FINISH Atlassian
CPC-WIDE H01L · 73 areas
INNOV-PAR 47.3/100
CLAIMS-PAR 8.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Atlassian, Inc. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

Qualcomm Incorporated · highest

85
Citizen Holdings · this assignee

47
Japan Petroleum… · near

47
Saco · near

47
The Medical… · near

47
Yunjing Intelligence… · near

47
3D Lighting… · lowest

7

What this shows Citizen's Innovation Score is 47.3/100 (top 19% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

How Citizen's grant cadence moved

Between 2020–2024, Citizen Holdings Co., Ltd. received 0 grants versus 154 in 2015–2019 (-100% equal-window velocity, bottom decile growth). Across complete PatentsView years, output peaked in 2016 at 83 grants and bottomed in 2018 at 1. Lead class H01L accounts for 21.4% of the portfolio across 73 subclasses. Volume neighbours: Wilson Sporting Goods Co. (#2,520) and Life Spine, Inc. (#2,528).

Wilson Sporting G…

155
Atlassian

154
CMR Surgical

154
Cancer Research T…

154
Hannstar Display

154
Lumens

154
Lyten

154
Life Spine

154
Citizen Holdings ◀

154

What this shows Citizen holds 154 patents at rank #2,524, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Citizen

By rank, the assignees closest to #2,524 in granted patent volume.

Leaders in H01L (Semiconductor Devices NOT Covered BY Class H10)

Other assignees with the most granted patents in Citizen's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Citizen, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (47 here).

Japan Petroleum Exploration Co., Ltd. 47 The Medical Research, Infrastructure and Health Services Fund of the Tel-Aviv Medical Center 47 Yunjing Intelligence (Shenzhen) Co., Ltd. 47 Saco Technologies Inc. 47

Similar claim depth

Nearest assignees by average claims per patent (8.2 here).

Yamada Manufacturing Co., Ltd. 8.2 avg Fuzhou University 8.2 avg Lego A/S 8.2 avg Enplas Corporation 8.1 avg

Citizen's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

47 Top 19% higher than 81% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Citizen Holdings Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	60	39.0%
2016	83	53.9%
2017	8	5.2%
2018	1	0.6%
2019	2	1.3%

Which technologies does Citizen Holdings Co., Ltd. patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 33

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 28

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 19

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 17

G02B - Optical Elements, Systems OR Apparatus 16

Y10T - Technical Subjects Covered BY Former US Classification 14

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 13

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 13

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 12

B41J - TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors 8

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 8

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result 7

B23B - TURNING; Boring 6

H04N - Pictorial Communication, e.g. Television 6

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 6

Top 15 of 73 technology areas

Where it ranks

Overall rank by patents

#2,523

of 49,997 tracked assignees

Innovation Score

47.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Citizen Holdings Co., Ltd.'s patent record in context - here's where to go next.

Citizen Holdings Co., Ltd.'s lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 21.4% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #2,523 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Citizen Holdings Co., Ltd. against Wilson Sporting Goods Co., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 47.3/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.