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

According to USPTO PatentsView (2015–2025 granted utility patents), Citizen Watch Co., Ltd. ranks #907 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 Watch Co., Ltd. hold?

Citizen Watch Co., Ltd. holds 494 US utility patents granted between 2015 and 2025, spanning 128 technology areas.

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

Citizen Watch Co., Ltd. has an Innovation Score of 53.5 out of 100 (top 9% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Citizen Watch Co., Ltd.'s recent grant velocity is -29% 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 Watch Co., Ltd.'s patents?

Citizen Watch Co., Ltd.'s patents average 6.8 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 Watch 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 Watch Co., Ltd.

Q: What technology areas does Citizen Watch Co., Ltd. focus on?

Citizen Watch Co., Ltd.'s top technology area is 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) with 56 patents, ranking #8 of 613 assignees active in that subclass. Grants appear in 128 CPC subclasses total.

USPTO PatentsView assignee record - 494 granted patents across 128 technology areas, recorded in grant years 2015–2025. 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: 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; Co).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Citizen ranks #907 of 49,997 tracked US assignees by granted-patent volume, with 494 patents across 128 technology areas.

#907
of 49,997 US assignees by volume: Top 9%
by Innovation Score (53.5/100): 6.8
avg claims per patent: -29%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R907 · Foreign Corporation #907 · 494 grants

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

GRANTS-MID 494 grants
TOP-DECILE #907/49,997
PHOTO-FINISH The United States…
CPC-WIDE B23Q · 128 areas
INNOV-PAR 53.5/100
CLAIMS-SPARSE 6.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -29% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: The United States of America, as represented by the Secretary of Agriculture (±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.

How Citizen’s 53.5 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 21.4 pts (40%) Velocity 2.9 pts (5%) Breadth 25.0 pts (47%) Claim depth 4.1 pts (8%)

Qualcomm Incorporated · highest

85
Alstom Technology · near

53
Citizen Watch · this assignee

53
Eppendorf SE · near

53
Flooring · near

53
Independence… · near

53
3D Lighting… · lowest

7

What this shows Citizen's Innovation Score is 53.5/100 (top 9% 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.

Does more volume mean deeper claims for Citizen?

Each dot is one of Citizen’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Citizen’s own 6.8 claims/patent is at or below the 15.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Citizen vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

How Citizen's grant cadence moved

Between 2020–2024, Citizen Watch Co., Ltd. received 194 grants versus 275 in 2015–2019 (-29% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2017 at 98 grants and bottomed in 2015 at 7. Lead class B23Q accounts for 11.3% of the portfolio across 128 subclasses. Volume neighbours: Eastman Chemical Company (#903) and Inphi Corporation (#911).

Citizen's three-year grant acceleration

From 2019–2021 to 2022–2024, Citizen Watch Co., Ltd. moved from 191 to 84 grants (0.44x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #2,811. See the growth leaderboard.

Eastman Chemical

498
University OF Mar…

497
Symbol

496
Wilus Institute O…

496
The United States…

494
Citizen Watch ◀

494
Analog Devices Gl…

493
Fitbit

492
Inphi

491

What this shows Citizen holds 494 patents at rank #907, 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 #907 in granted patent volume.

Leaders in B23Q (Details)

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). In B23Q (Details), Citizen ranks #8 of 613 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (53 here).

Flooring Technologies Ltd. 53 Eppendorf SE 53 Independence Materials Group, LLC 53 Alstom Technology Ltd 53

Similar claim depth

Nearest assignees by average claims per patent (6.8 here).

Duquesne University of the Holy Spirit 6.8 avg Dorco Co., Ltd. 6.8 avg TGK Co., Ltd. 6.8 avg AS America, Inc. 6.8 avg

Citizen's Innovation Score vs. every tracked assignee

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

53 Top 9% higher than 91% 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 · 2015–2025

Grants by year

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

View data table

Citizen Watch Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	7	1.4%
2016	19	3.8%
2017	98	19.8%
2018	70	14.2%
2019	81	16.4%
2020	56	11.3%
2021	54	10.9%
2022	32	6.5%
2023	28	5.7%
2024	24	4.9%
2025partial year	25	5.1%

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

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 56

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 56

B23B - TURNING; Boring 55

H01L - Semiconductor Devices NOT Covered BY Class H10 55

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 44

G04C - Electromechanical Clocks OR Watches 36

G04B - Mechanically-driven Clocks OR WATCHES; Mechanical Parts OF Clocks OR Watches IN GENERAL; Time Pieces Using THE Position OF THE SUN, Moon OR Stars 31

Y10T - Technical Subjects Covered BY Former US Classification 29

B41J - TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors 23

G02B - Optical Elements, Systems OR Apparatus 21

G04G - Electronic Time-pieces 21

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 20

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 18

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 16

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 15

Top 15 of 128 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

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

Citizen Watch Co., Ltd.'s lead technology class is 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; Co), 11.3% of its portfolio - see every assignee active in that class. Explore B23Q
Ranked #907 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Citizen Watch Co., Ltd. against Eastman Chemical Company, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 53.5/100 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.