USPTO 2015–2025 USPTO PatentsView Foreign Corporation

NTN Corporation

USPTO PatentsView assignee record - 1,091 granted patents across 158 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

1,091

Total patents granted

158

CPC technology areas

9.1

Avg claims per patent

-31%

5-year filing velocity

The verdict

NTN holds 1,091 US patents across 158 technology areas, rank #412 of 50,000 tracked assignees.

#412
of 50,000 US assignees by volume: Top 5%
by Innovation Score (57.8/100): 9.1
avg claims per patent: -31%
filing velocity, last 5 yrs

Portfolio overview

NTN Corporation has been granted 1,091 US utility patents between 2015 and 2025, placing NTN Corporation at rank #412 across all assignees tracked by PlainPatent. This portfolio spans 158 distinct Cooperative Patent Classification (CPC) subclasses, averaging 9.1 claims per patent with primary concentration in F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS). As a Foreign Corporation, NTN Corporation is one of the broader-portfolio assignees in the PatentsView dataset. By volume, NTN sits between Target Brands, Inc. (1,102 patents, rank #408) and University Of South Florida (1,086 patents, rank #416) - the closest US assignees by grant volume. The composite Innovation Score of 57.8/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 444 grants, compared with 647 in the 2015–2019 window, a -31% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. NTN Corporation's 9.1 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a diversified footprint across 100+ CPC subclasses spreads risk across many technology fronts. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark NTN Corporation against peers pursuing similar technology classes.

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.

NTN's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% of 50,000 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%
2025	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

Patent Moat Analysis

Portfolio Volume Strong

Tech Breadth Diversified

Claim Depth Simple

Velocity Declining

Where it ranks

Overall rank by patents

#412

Across all 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?

Frequently Asked Questions

How many patents does NTN Corporation hold?

NTN Corporation holds 1,091 US granted patents filed 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. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

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. The company has filed patents in 158 CPC subclasses total.

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

NTN Corporation's recent filing velocity is -31% compared to the prior five-year period. Filing 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 relatively simple claim structure, typical for focused inventions.

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.

How to use this portfolio

NTN's 1,091 grants land it in the top 5% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - NTN ranks #412 of 50,000. Top 50 holders
Most of this portfolio concentrates in F16C - see who else leads that technology area. F16C leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

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

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.