Where does Seoul Viosys Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Seoul Viosys Co., Ltd. ranks #611 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 Seoul Viosys Co., Ltd. hold?

Seoul Viosys Co., Ltd. holds 723 US utility patents granted between 2015 and 2025, spanning 75 technology areas.

What is Seoul Viosys Co., Ltd.'s Innovation Score?

Seoul Viosys Co., Ltd. has an Innovation Score of 69.8 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Seoul Viosys Co., Ltd.'s patent grant rate increasing or decreasing?

Seoul Viosys Co., Ltd.'s recent grant velocity is +14% 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 Seoul Viosys Co., Ltd.'s patents?

Seoul Viosys Co., Ltd.'s patents average 18.7 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.

How is the Seoul Viosys Co., Ltd. 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

Seoul Viosys Co., Ltd.

Q: What technology areas does Seoul Viosys Co., Ltd. focus on?

Seoul Viosys Co., Ltd.'s top technology area is H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers) with 524 patents. Grants appear in 75 CPC subclasses total.

USPTO PatentsView assignee record - 723 granted patents across 75 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: H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Seoul ranks #611 of 49,997 tracked US assignees by granted-patent volume, with 723 patents across 75 technology areas.

#611
of 49,997 US assignees by volume: Top 1%
by Innovation Score (69.8/100): 18.7
avg claims per patent: +14%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R611 · Foreign Corporation #611 · 723 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MID 723 grants
TOP-DECILE #611/49,997
PHOTO-FINISH Exxonmobil Research…
CPC-WIDE H10H · 75 areas
INNOV-STRONG 69.8/100
CLAIMS-RICH 18.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +14% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Exxonmobil Research AND Engineering Company (±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
LG Innotek · near

70
Blue Origin · near

70
Pony AI · near

70
Seoul Viosys · this assignee

70
Joby Aero · near

70
3D Lighting… · lowest

7

What this shows Seoul's Innovation Score is 69.8/100 (top 1% 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 Seoul's grant cadence moved

Between 2020–2024, Seoul Viosys Co., Ltd. received 356 grants versus 313 in 2015–2019 (+14% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 96 grants and bottomed in 2021 at 43. Lead class H10H accounts for 72.5% of the portfolio across 75 subclasses. Volume neighbours: SMC Corporation (#607) and Roku, Inc. (#615).

Seoul's three-year grant acceleration

From 2019–2021 to 2022–2024, Seoul Viosys Co., Ltd. moved from 161 to 261 grants (1.62x 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 #362. See the growth leaderboard.

SMC

728
TCL China Star Op…

728
ST Jude Medical C…

727
Exxonmobil Resear…

724
Seoul Viosys ◀

723
Sanofi

721
Council OF Scient…

720
Hoya

718
Roku

717

What this shows Seoul holds 723 patents at rank #611, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Seoul

By rank, the assignees closest to #611 in granted patent volume.

Leaders in H10H (Inorganic Light-emitting Semiconductor Devices Having Pot…)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (70 here).

Pony AI Inc. 70 Blue Origin, LLC 70 LG Innotek Co., Ltd. 70 Joby Aero, Inc. 70

Similar claim depth

Nearest assignees by average claims per patent (18.7 here).

Pure Storage, Inc. 18.7 avg Shanghai Langbo Communication Technology Company Limited 18.7 avg Fairchild Korea Semiconductor Ltd. 18.7 avg DP Technologies, Inc. 18.7 avg

Seoul's Innovation Score vs. every tracked assignee

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

70 Top 1% higher than 99% 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

Seoul Viosys Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	60	8.3%
2016	77	10.7%
2017	52	7.2%
2018	58	8.0%
2019	66	9.1%
2020	52	7.2%
2021	43	5.9%
2022	81	11.2%
2023	84	11.6%
2024	96	13.3%
2025partial year	54	7.5%

Which technologies does Seoul Viosys Co., Ltd. patent most?

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 524

H01L - Semiconductor Devices NOT Covered BY Class H10 333

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 84

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 53

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 38

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 36

H10D - Inorganic Electric Semiconductor Devices 32

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 32

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 30

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 26

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 26

G02B - Optical Elements, Systems OR Apparatus 25

B01D - Separation 25

H10K - Organic Electric Solid-state Devices 22

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 20

Top 15 of 75 technology areas

Where it ranks

Overall rank by patents

#611

of 49,997 tracked assignees

Innovation Score

69.8 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

Seoul Viosys Co., Ltd.'s patent record in context - here's where to go next.

Seoul Viosys Co., Ltd.'s lead technology class is H10H (Inorganic Light-emitting Semiconductor Devices Having Potential Barriers), 72.5% of its portfolio - see every assignee active in that class. Explore H10H
Ranked #611 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Seoul Viosys Co., Ltd. against SMC Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 69.8/100 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.