Where does Nippon Steel Stainless Steel Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Nippon Steel Stainless Steel Corporation ranks #11,747 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 Nippon Steel Stainless Steel Corporation hold?

Nippon Steel Stainless Steel Corporation holds 26 US utility patents granted between 2020 and 2025, spanning 22 technology areas.

What is Nippon Steel Stainless Steel Corporation's Innovation Score?

Nippon Steel Stainless Steel Corporation has an Innovation Score of 53.2 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%).

What technology areas does Nippon Steel Stainless Steel Corporation focus on?

Nippon Steel Stainless Steel Corporation's top technology area is C22C (Alloys) with 25 patents, ranking #69 of 948 assignees active in that subclass. Grants appear in 22 CPC subclasses total.

Is Nippon Steel Stainless Steel Corporation's patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Nippon Steel Stainless Steel Corporation.

What does claim depth mean for Nippon Steel Stainless Steel Corporation's patents?

Nippon Steel Stainless Steel Corporation's patents average 8.7 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Nippon Steel Stainless Steel Corporation

Q: How is the Nippon Steel Stainless Steel 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 PatentsView assignee record - 26 granted patents across 22 technology areas, recorded in grant years 2020–2025. 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: C22C (Alloys).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nippon ranks #11,747 of 49,997 tracked US assignees by granted-patent volume, with 26 patents across 22 technology areas.

#11,747
of 49,997 US assignees by volume: Top 9%
by Innovation Score (53.2/100): 8.7
avg claims per patent

USPTO PatentsView assignee plate

Corpus R11747 · Foreign Corporation #11,747 · 26 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-SMALL 26 grants
UPPER-Q #11,747/49,997
PHOTO-FINISH Monolith Materials
CPC-FOCUS C22C · 22 areas
INNOV-PAR 53.2/100
CLAIMS-PAR 8.7 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2020–2025 · 6y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Monolith Materials, 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.

How Nippon’s 53.2 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 11.4 pts (21%) Velocity 20.0 pts (38%) Breadth 16.6 pts (31%) Claim depth 5.2 pts (10%)

Qualcomm Incorporated · highest

85
Essilor Internationa… · near

53
NBCUniversal Media · near

53
Nippon Steel… · this assignee

53
Safran Landing… · near

53
Saint-Gobain Placo · near

53
3D Lighting… · lowest

7

What this shows Nippon's Innovation Score is 53.2/100 (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 Nippon?

Each dot is one of Nippon’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). Nippon’s own 8.7 claims/patent is at or below the 13.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Nippon's grants concentrate

Nippon Steel Stainless Steel Corporation is a focused PatentsView assignee: 22 CPC subclasses with 96.2% of grants classified under C22C (Alloys). Peak complete grant year is 2022 (11 grants) versus a trough of 2 in 2020. By volume, Nippon sits between Monolith Materials, Inc. and NV Michel VAN DE Wiele.

Nippon's three-year grant acceleration

Nippon Steel Stainless Steel Corporation shows 19 grants in 2022–2024 against only 4 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Monolith Materials

26
Monrovia Nursery

26
Nagrastar

26
NEC Communication…

26
Nisshin Foods

26
Northwest Instrum…

26
NS Solutions

26
Michel VAN DE Wie…

26
Nippon Steel Stai… ◀

26

What this shows Nippon holds 26 patents at rank #11,743, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nippon

By rank, the assignees closest to #11,743 in granted patent volume.

Leaders in C22C (Alloys)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Nippon, neither rank-band nor same-CPC leaders (those blocks stay above). In C22C (Alloys), Nippon ranks #69 of 948 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (53 here).

Safran Landing Systems UK Ltd. 53 NBCUniversal Media, LLC 53 Essilor International (Compagnie Generale d'Optique) 53 Saint-Gobain Placo 53

Nippon'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 · 2020–2025

Grants by year

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

View data table

Nippon Steel Stainless Steel Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2020	2	7.7%
2021	2	7.7%
2022	11	42.3%
2023	3	11.5%
2024	5	19.2%
2025partial year	3	11.5%

Which technologies does Nippon Steel Stainless Steel Corporation patent most?

C22C - Alloys 25

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 22

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 6

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 5

C23G - Cleaning OR De-greasing OF Metallic Material BY Chemical Methods Other Than Electrolysis 5

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 3

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 3

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 3

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 2

F01N - Gas-flow Silencers OR Exhaust Apparatus FOR Machines OR Engines IN GENERAL; Gas-flow Silencers OR Exhaust Apparatus FOR Internal-combustion Engines 2

F17C - Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases 2

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 2

C21C - Processing OF Pig-iron, e.g. Refining, Manufacture OF Wrought-iron OR STEEL; Treatment IN Molten State OF Ferrous Alloys 1

Y10T - Technical Subjects Covered BY Former US Classification 1

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

Top 15 of 22 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

Nippon Steel Stainless Steel Corporation's patent record in context - here's where to go next.

Nippon Steel Stainless Steel Corporation's lead technology class is C22C (Alloys), 96.2% of its portfolio - see every assignee active in that class. Explore C22C
Ranked #11,747 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nippon Steel Stainless Steel Corporation against Monolith Materials, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 53.2/100 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.