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

According to USPTO PatentsView (2015–2025 granted utility patents), Yonwoo Co., Ltd. ranks #2,272 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 Yonwoo Co., Ltd. hold?

Yonwoo Co., Ltd. holds 173 US utility patents granted between 2015 and 2025, spanning 16 technology areas.

What is Yonwoo Co., Ltd.'s Innovation Score?

Yonwoo Co., Ltd. has an Innovation Score of 38.1 out of 100 (top 42% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Yonwoo Co., Ltd.'s recent grant velocity is -23% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Yonwoo Co., Ltd.'s patents?

Yonwoo Co., Ltd.'s patents average 3.7 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 Yonwoo 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

Yonwoo Co., Ltd.

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

Yonwoo Co., Ltd.'s top technology area is A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring) with 61 patents, ranking #8 of 429 assignees active in that subclass. Grants appear in 16 CPC subclasses total.

USPTO PatentsView assignee record - 173 granted patents across 16 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: A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Yonwoo ranks #2,272 of 49,997 tracked US assignees by granted-patent volume, with 173 patents across 16 technology areas.

#2,272
of 49,997 US assignees by volume: Top 42%
by Innovation Score (38.1/100): 3.7
avg claims per patent: -23%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2272 · Foreign Corporation #2,272 · 173 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MID 173 grants
TOP-DECILE #2,272/49,997
PHOTO-FINISH Luxtera
CPC-FOCUS A45D · 16 areas
INNOV-THIN 38.1/100
CLAIMS-SPARSE 3.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -23% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Luxtera, 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 Yonwoo’s 38.1 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 17.8 pts (47%) Velocity 3.9 pts (10%) Breadth 14.1 pts (37%) Claim depth 2.2 pts (6%)

Qualcomm Incorporated · highest

85
Osler Diagnostics · near

38
Quipip · near

38
Ripple Luxembourg · near

38
Tennibot · near

38
Yonwoo · this assignee

38
3D Lighting… · lowest

7

What this shows Yonwoo's Innovation Score is 38.1/100 (top 42% 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 Yonwoo?

Each dot is one of Yonwoo’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). Yonwoo’s own 3.7 claims/patent is at or below the 18.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Yonwoo's grants concentrate

Yonwoo Co., Ltd. is a focused PatentsView assignee: 16 CPC subclasses with 35.3% of grants classified under A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring). Peak complete grant year is 2020 (24 grants) versus a trough of 5 in 2022. By volume, Yonwoo sits between Luxtera, Inc. and Cryptography Research, Inc..

Yonwoo's three-year grant acceleration

From 2019–2021 to 2022–2024, Yonwoo Co., Ltd. moved from 55 to 32 grants (0.58x 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 #2,493. See the growth leaderboard.

Luxtera

173
Ossia

173
The Government of…

173
Universal Lighting

173
Yonwoo ◀

173
AGS

172
Aeva

172
Cataler

172
Cryptography Rese…

172

What this shows Yonwoo holds 173 patents at rank #2,272, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Yonwoo

By rank, the assignees closest to #2,272 in granted patent volume.

Leaders in A45D (Hairdressing OR Shaving Equipment)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Yonwoo, neither rank-band nor same-CPC leaders (those blocks stay above). In A45D (Hairdressing OR Shaving Equipment), Yonwoo ranks #8 of 429 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (38 here).

Ripple Luxembourg S.A. 38 Quipip, LLC 38 Tennibot Inc. 38 Osler Diagnostics Limited 38

Similar claim depth

Nearest assignees by average claims per patent (3.7 here).

Anisa International, Inc. 3.7 avg Elbee Pty Ltd. 3.8 avg Aspire North America LLC 3.6 avg Seville Classics Inc. 3.6 avg

Yonwoo's Innovation Score vs. every tracked assignee

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

38 Top 42% higher than 58% 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

Yonwoo Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	16	9.2%
2016	18	10.4%
2017	21	12.1%
2018	23	13.3%
2019	15	8.7%
2020	24	13.9%
2021	16	9.2%
2022	5	2.9%
2023	13	7.5%
2024	14	8.1%
2025partial year	8	4.6%

Which technologies does Yonwoo Co., Ltd. patent most?

A45D - Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring 61

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 50

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 39

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 4

G01F - Measuring Volume, Volume Flow, Mass Flow OR Liquid LEVEL; Metering BY Volume 4

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 3

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 2

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 2

B05C - Apparatus FOR Applying Fluent Materials TO Surfaces, IN General 1

Y10T - Technical Subjects Covered BY Former US Classification 1

A46B - Brushes 1

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 1

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 1

A24F - Smokers' REQUISITES; Match BOXES; Simulated Smoking Devices 1

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 1

Top 15 of 16 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

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

Yonwoo Co., Ltd.'s lead technology class is A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring), 35.3% of its portfolio - see every assignee active in that class. Explore A45D
Ranked #2,272 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Yonwoo Co., Ltd. against Luxtera, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 38.1/100 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.