Where does Hyosung Heavy Industries Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hyosung Heavy Industries Corporation ranks #3,810 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 Hyosung Heavy Industries Corporation hold?

Hyosung Heavy Industries Corporation holds 95 US utility patents granted between 2018 and 2025, spanning 45 technology areas.

What is Hyosung Heavy Industries Corporation's Innovation Score?

Hyosung Heavy Industries Corporation has an Innovation Score of 49.5 out of 100 (top 15% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hyosung Heavy Industries Corporation's patent grant rate increasing or decreasing?

Hyosung Heavy Industries Corporation's recent grant velocity is +160% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Hyosung Heavy Industries Corporation's patents?

Hyosung Heavy Industries Corporation's patents average 7.9 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 Hyosung Heavy Industries 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

Hyosung Heavy Industries Corporation

Q: What technology areas does Hyosung Heavy Industries Corporation focus on?

Hyosung Heavy Industries Corporation's top technology area is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy) with 32 patents. Grants appear in 45 CPC subclasses total.

USPTO PatentsView assignee record - 95 granted patents across 45 technology areas, recorded in grant years 2018–2025. 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: H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hyosung ranks #3,810 of 49,997 tracked US assignees by granted-patent volume, with 95 patents across 45 technology areas.

#3,810
of 49,997 US assignees by volume: Top 15%
by Innovation Score (49.5/100): 7.9
avg claims per patent: +160%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3810 · Foreign Corporation #3,810 · 95 grants

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

GRANTS-SMALL 95 grants
TOP-DECILE #3,810/49,997
PHOTO-FINISH Element Six
CPC-WIDE H02J · 45 areas
INNOV-PAR 49.5/100
CLAIMS-SPARSE 7.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +160% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Element Six Limited (±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
Corcept Therapeutics… · near

50
Daido Steel · near

50
Hyosung Heavy… · this assignee

50
National University… · near

50
Zhejiang Sunny Optical · near

50
3D Lighting… · lowest

7

What this shows Hyosung's Innovation Score is 49.5/100 (top 15% 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 Hyosung's grants concentrate

Hyosung Heavy Industries Corporation is a focused PatentsView assignee: 45 CPC subclasses with 33.7% of grants classified under H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy). Peak complete grant year is 2019 (23 grants) versus a trough of 2 in 2018. By volume, Hyosung sits between Element Six Limited and Keyssa, Inc..

Hyosung's three-year grant acceleration

From 2019–2021 to 2022–2024, Hyosung Heavy Industries Corporation moved from 49 to 39 grants (0.80x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Element Six

95
Ferag

95
Flender

95
Guided Therapy Sy…

95
Honda Research In…

95
J S T

95
Joy MM Delaware

95
Keyssa

95
Hyosung Heavy Ind… ◀

95

What this shows Hyosung holds 95 patents at rank #3,809, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hyosung

By rank, the assignees closest to #3,809 in granted patent volume.

Leaders in H02J (Circuit Arrangements OR Systems FOR Supplying OR Distribu…)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (50 here).

Daido Steel Co., Ltd. 50 Corcept Therapeutics Incorporated 50 Zhejiang Sunny Optical Co., Ltd 50 National University Corporation Ehime University 50

Similar claim depth

Nearest assignees by average claims per patent (7.9 here).

Hisamitsu Pharmaceutical Co., Inc. 7.9 avg Canva Pty Ltd 7.9 avg Intersurgical AG 7.9 avg Tokuyama Dental Corporation 7.9 avg

Hyosung's Innovation Score vs. every tracked assignee

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

50 Top 15% higher than 85% 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 · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Hyosung Heavy Industries Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	2	2.1%
2019	23	24.2%
2020	7	7.4%
2021	19	20.0%
2022	14	14.7%
2023	10	10.5%
2024	15	15.8%
2025partial year	5	5.3%

Which technologies does Hyosung Heavy Industries Corporation patent most?

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 32

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 28

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 27

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 18

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 11

H02H - Emergency Protective Circuit Arrangements 11

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 10

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 9

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 9

Y04S - Systems Integrating Technologies Related TO Power Network Operation, Communication OR Information Technologies FOR Improving THE Electrical Power Generation, Transmission, Distribution, Management OR Usage, i.e. Smart Grids 8

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 7

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 6

G06F - Electric Digital Data Processing 5

H02K - Dynamo-electric Machines 5

H02B - Boards, Substations OR Switching Arrangements FOR THE Supply OR Distribution OF Electric Power 5

Top 15 of 45 technology areas

Where it ranks

Overall rank by patents

#3,810

of 49,997 tracked assignees

Innovation Score

49.5 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

Hyosung Heavy Industries Corporation's patent record in context - here's where to go next.

Hyosung Heavy Industries Corporation's lead technology class is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy), 33.7% of its portfolio - see every assignee active in that class. Explore H02J
Ranked #3,810 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hyosung Heavy Industries Corporation against Element Six Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.5/100 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.