Where does Hyundai Steel Company rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hyundai Steel Company ranks #4,670 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 Hyundai Steel Company hold?

Hyundai Steel Company holds 75 US utility patents granted between 2015 and 2025, spanning 41 technology areas.

What is Hyundai Steel Company's Innovation Score?

Hyundai Steel Company has an Innovation Score of 55.9 out of 100 (top 6% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Hyundai Steel Company focus on?

Hyundai Steel Company's top technology area is C22C (Alloys) with 47 patents, ranking #31 of 948 assignees active in that subclass. Grants appear in 41 CPC subclasses total.

Is Hyundai Steel Company's patent grant rate increasing or decreasing?

Hyundai Steel Company's recent grant velocity is +3% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Hyundai Steel Company's patents?

Hyundai Steel Company's patents average 7.4 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 Hyundai Steel Company 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

Hyundai Steel Company

USPTO PatentsView assignee record - 75 granted patents across 41 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: C22C (Alloys).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hyundai ranks #4,670 of 49,997 tracked US assignees by granted-patent volume, with 75 patents across 41 technology areas.

#4,670
of 49,997 US assignees by volume: Top 6%
by Innovation Score (55.9/100): 7.4
avg claims per patent: +3%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4670 · Foreign Corporation #4,670 · 75 grants

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

GRANTS-SMALL 75 grants
TOP-DECILE #4,670/49,997
PHOTO-FINISH Grass
CPC-WIDE C22C · 41 areas
INNOV-PAR 55.9/100
CLAIMS-SPARSE 7.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT +3% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Grass GmbH (±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 Hyundai’s 55.9 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 15.0 pts (27%) Velocity 13.8 pts (25%) Breadth 22.6 pts (40%) Claim depth 4.5 pts (8%)

Qualcomm Incorporated · highest

85
Gatik AI · near

56
Hyundai Steel · this assignee

56
Roambee · near

56
State Grid Jiangsu… · near

56
PSA Automobiles · near

56
3D Lighting… · lowest

7

What this shows Hyundai's Innovation Score is 55.9/100 (top 6% 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 Hyundai?

Each dot is one of Hyundai’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). Hyundai’s own 7.4 claims/patent is at or below the 17.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hyundai's grants concentrate

Hyundai Steel Company is a focused PatentsView assignee: 41 CPC subclasses with 62.7% of grants classified under C22C (Alloys). Peak complete grant year is 2016 (11 grants) versus a trough of 3 in 2015. By volume, Hyundai sits between Grass GmbH and LifeNet Health.

Hyundai's three-year grant acceleration

Hyundai Steel Company shows 27 grants in 2022–2024 against only 13 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.

Grass

75
Hitachi-ge Nuclea…

75
Hefei Reliance Me…

75
Hussmann

75
Invensas Bonding

75
Incept

75
LDR Medical

75
Lifenet Health

75
Hyundai Steel ◀

75

What this shows Hyundai holds 75 patents at rank #4,670, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hyundai

By rank, the assignees closest to #4,670 in granted patent volume.

Leaders in C22C (Alloys)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Hyundai, neither rank-band nor same-CPC leaders (those blocks stay above). In C22C (Alloys), Hyundai ranks #31 of 948 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (56 here).

State Grid Jiangsu Electric Power Co. Ltd. 56 Gatik AI Inc. 56 Roambee Corporation 56 PSA Automobiles SA 56

Similar claim depth

Nearest assignees by average claims per patent (7.4 here).

Tokiwa Corporation 7.4 avg Iriso Electronics Co., Ltd. 7.4 avg LS Mtron Ltd. 7.4 avg American Greetings Corporation 7.5 avg

Hyundai's Innovation Score vs. every tracked assignee

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

56 Top 6% higher than 94% 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

Hyundai Steel Company patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	4.0%
2016	11	14.7%
2017	6	8.0%
2018	9	12.0%
2019	5	6.7%
2020	4	5.3%
2021	4	5.3%
2022	10	13.3%
2023	6	8.0%
2024	11	14.7%
2025partial year	6	8.0%

Which technologies does Hyundai Steel Company patent most?

C22C - Alloys 47

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 44

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 23

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 21

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 16

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 10

B21B - Rolling OF Metal 9

C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor 7

C23G - Cleaning OR De-greasing OF Metallic Material BY Chemical Methods Other Than Electrolysis 6

Y10T - Technical Subjects Covered BY Former US Classification 6

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 6

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 5

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 5

F27B - Furnaces, Kilns, Ovens OR Retorts IN GENERAL; Open Sintering OR Like Apparatus 5

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 5

Top 15 of 41 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

Hyundai Steel Company's patent record in context - here's where to go next.

Hyundai Steel Company's lead technology class is C22C (Alloys), 62.7% of its portfolio - see every assignee active in that class. Explore C22C
Ranked #4,670 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hyundai Steel Company against Grass GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 55.9/100 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.