Where does NTN Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), NTN Corporation ranks #412 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 NTN Corporation hold?

NTN Corporation holds 1,091 US utility patents granted between 2015 and 2025, spanning 158 technology areas.

What is NTN Corporation's Innovation Score?

NTN Corporation has an Innovation Score of 57.8 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is NTN Corporation's patent grant rate increasing or decreasing?

NTN Corporation's recent grant velocity is -36% 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 NTN Corporation's patents?

NTN Corporation's patents average 9.1 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 NTN Corporation 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

NTN Corporation

Q: What technology areas does NTN Corporation focus on?

NTN Corporation's top technology area is F16C (SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings) with 471 patents. Grants appear in 158 CPC subclasses total.

USPTO PatentsView assignee record - 1,091 granted patents across 158 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: F16C (SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, NTN ranks #412 of 49,997 tracked US assignees by granted-patent volume, with 1,091 patents across 158 technology areas.

#412
of 49,997 US assignees by volume: Top 5%
by Innovation Score (57.8/100): 9.1
avg claims per patent: -36%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R412 · Foreign Corporation #412 · 1,091 grants

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

GRANTS-LARGE 1.1K grants
TOP-DECILE #412/49,997
PHOTO-FINISH Advanced Semiconduct…
CPC-WIDE F16C · 158 areas
INNOV-PAR 57.8/100
CLAIMS-PAR 9.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -36% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Advanced Semiconductor Engineering, Inc. (±1 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
E I DU Pont DE… · near

58
NTN · this assignee

58
Eaton · near

58
HCL · near

58
Solvay Specialty… · near

58
3D Lighting… · lowest

7

What this shows NTN's Innovation Score is 57.8/100 (top 5% 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 NTN's grant cadence moved

Between 2020–2024, NTN Corporation received 413 grants versus 647 in 2015–2019 (-36% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2020 at 141 grants and bottomed in 2023 at 46. Lead class F16C accounts for 43.2% of the portfolio across 158 subclasses. Volume neighbours: Target Brands, Inc. (#408) and University of South Florida (#416).

NTN's three-year grant acceleration

From 2019–2021 to 2022–2024, NTN Corporation moved from 365 to 175 grants (0.48x 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 #2,741. See the growth leaderboard.

Target Brands

1,102
Boston Scientific…

1,098
Thomson Licensing

1,095
Advanced Semicond…

1,092
NTN ◀

1,091
Bristol-myers Squ…

1,089
Yangtze Memory

1,087
The Trustees of C…

1,086
University of Sou…

1,086

What this shows NTN holds 1,091 patents at rank #412, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near NTN

By rank, the assignees closest to #412 in granted patent volume.

Leaders in F16C (Shafts)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (58 here).

E.I. DU Pont DE Nemours AND Company 58 Eaton Corporation 58 Solvay Specialty Polymers Italy S.P.A. 58 HCL Technologies Limited 58

Similar claim depth

Nearest assignees by average claims per patent (9.1 here).

Florida Turbine Technologies, Inc. 9.1 avg Koito Manufacturing Co., Ltd. 9.1 avg Aisin Corporation 9.1 avg South China University of Technology 9.1 avg

NTN's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% 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

NTN Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	130	11.9%
2016	131	12.0%
2017	130	11.9%
2018	129	11.8%
2019	127	11.6%
2020	141	12.9%
2021	97	8.9%
2022	75	6.9%
2023	46	4.2%
2024	54	4.9%
2025partial year	31	2.8%

Which technologies does NTN Corporation patent most?

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 471

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 273

F16H - Gearing 202

H02K - Dynamo-electric Machines 118

B60B - Vehicle Wheels ; CASTORS; Axles FOR Wheels OR CASTORS; Increasing Wheel Adhesion 110

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply 108

Y02T - Climate Change Mitigation Technologies Related TO Transportation 106

Y10T - Technical Subjects Covered BY Former US Classification 91

B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted Movement OF VEHICLES; Vehicle Modifications TO Facilitate Cooling OF Brakes 86

B60L - Propulsion OF Electrically-propelled Vehicles ; Supplying Electric Power FOR Auxiliary Equipment OF Electrically-propelled Vehicles ; Electrodynamic Brake Systems FOR Vehicles IN General ; Magnetic Suspension OR Levitation FOR VEHICLES; Monitoring Operating Variables OF Electrically-propelled Vehicl 85

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests 52

C21D - Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering 52

C22C - Alloys 51

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 49

F16J - Pistons ; CYLINDERS; Sealings 48

Top 15 of 158 technology areas

Where it ranks

Overall rank by patents

#412

of 49,997 tracked assignees

Innovation Score

57.8 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

NTN Corporation's patent record in context - here's where to go next.

NTN Corporation's lead technology class is F16C (SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings), 43.2% of its portfolio - see every assignee active in that class. Explore F16C
Ranked #412 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare NTN Corporation against Target Brands, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 57.8/100 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.