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

According to USPTO PatentsView (2015–2025 granted utility patents), Nidek Co., Ltd. ranks #1,837 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 Nidek Co., Ltd. hold?

Nidek Co., Ltd. holds 220 US utility patents granted between 2015 and 2025, spanning 42 technology areas.

What is Nidek Co., Ltd.'s Innovation Score?

Nidek Co., Ltd. has an Innovation Score of 54.4 out of 100 (top 8% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Nidek Co., Ltd. focus on?

Nidek Co., Ltd.'s top technology area is A61B (DIAGNOSIS; SURGERY; Identification) with 160 patents. Grants appear in 42 CPC subclasses total.

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

Nidek Co., Ltd.'s recent grant velocity is -52% 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 Nidek Co., Ltd.'s patents?

Nidek Co., Ltd.'s patents average 12.6 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 Nidek 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

Nidek Co., Ltd.

USPTO PatentsView assignee record - 220 granted patents across 42 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: A61B (DIAGNOSIS; SURGERY; Identification).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nidek ranks #1,837 of 49,997 tracked US assignees by granted-patent volume, with 220 patents across 42 technology areas.

#1,837
of 49,997 US assignees by volume: Top 8%
by Innovation Score (54.4/100): 12.6
avg claims per patent: -52%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1837 · Foreign Corporation #1,837 · 220 grants

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

GRANTS-MID 220 grants
TOP-DECILE #1,837/49,997
PHOTO-FINISH Hosiden
CPC-WIDE A61B · 42 areas
INNOV-PAR 54.4/100
CLAIMS-RICH 12.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -52% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hosiden Corporation (±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
Anthony · near

54
Catarc Automotive… · near

54
Faurecia Clarion… · near

54
Nidek · this assignee

54
THE Board OF… · near

54
3D Lighting… · lowest

7

What this shows Nidek's Innovation Score is 54.4/100 (top 8% 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.

Where Nidek's grants concentrate

Nidek Co., Ltd. is a focused PatentsView assignee: 42 CPC subclasses with 72.7% of grants classified under A61B (DIAGNOSIS; SURGERY; Identification). Peak complete grant year is 2015 (35 grants) versus a trough of 8 in 2023. By volume, Nidek sits between UiPath, Inc. and Solar Turbines Incorporated.

Nidek's three-year grant acceleration

From 2019–2021 to 2022–2024, Nidek Co., Ltd. moved from 49 to 39 grants (0.80x 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 #1,855. See the growth leaderboard.

Uipath

221
WHG Properties

221
ebm-papst Mulfing…

221
Hosiden

220
UBE Industries

220
Nidek ◀

220
Electrolux Home P…

219
Intelligent Energy

219
Solar Turbines In…

219

What this shows Nidek holds 220 patents at rank #1,837, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nidek

By rank, the assignees closest to #1,837 in granted patent volume.

Leaders in A61B (Diagnosis)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (54 here).

THE Board OF Trustees OF THE University OF Arkansas 54 Anthony, Inc. 54 Catarc Automotive Test Center (TIANJIN) Co., Ltd 54 Faurecia Clarion Electronics Europe 54

Similar claim depth

Nearest assignees by average claims per patent (12.6 here).

ADP, Inc. 12.6 avg Philips Lighting Holding B.V. 12.6 avg Caregen Co., Ltd. 12.6 avg Inha-industry Partnership Institute 12.6 avg

Nidek's Innovation Score vs. every tracked assignee

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

54 Top 8% higher than 92% 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

Nidek Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	35	15.9%
2016	29	13.2%
2017	32	14.5%
2018	22	10.0%
2019	21	9.5%
2020	14	6.4%
2021	14	6.4%
2022	17	7.7%
2023	8	3.6%
2024	14	6.4%
2025partial year	14	6.4%

Which technologies does Nidek Co., Ltd. patent most?

A61B - DIAGNOSIS; SURGERY; Identification 160

G06T - Image Data Processing OR Generation, IN General 37

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 27

A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive DEVICES; FOMENTATION; Treatment OR Protection OF Eyes OR EARS; Bandages, Dressings OR Absorbent PADS; Firs 21

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 18

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 12

G06V - Image OR Video Recognition OR Understanding 11

G02C - SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses 11

G02B - Optical Elements, Systems OR Apparatus 11

G16H - Healthcare Informatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR THE Handling OR Processing OF Medical OR Healthcare Data 8

D06P - Dyeing OR Printing TEXTILES; Dyeing Leather, Furs OR Solid Macromolecular Substances IN ANY Form 8

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 7

G06F - Electric Digital Data Processing 5

H04N - Pictorial Communication, e.g. Television 5

B41M - Printing, Duplicating, Marking, OR Copying PROCESSES; Colour Printing, 4

Top 15 of 42 technology areas

Where it ranks

Overall rank by patents

#1,837

of 49,997 tracked assignees

Innovation Score

54.4 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

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

Nidek Co., Ltd.'s lead technology class is A61B (DIAGNOSIS; SURGERY; Identification), 72.7% of its portfolio - see every assignee active in that class. Explore A61B
Ranked #1,837 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nidek Co., Ltd. against UiPath, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.4/100 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.