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

According to USPTO PatentsView (2015–2025 granted utility patents), Doosan Solus Co., Ltd. ranks #46,264 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 Doosan Solus Co., Ltd. hold?

Doosan Solus Co., Ltd. holds 5 US utility patents granted between 2020 and 2025, spanning 3 technology areas.

What is Doosan Solus Co., Ltd.'s Innovation Score?

Doosan Solus Co., Ltd. has an Innovation Score of 22.0 out of 100 (9th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Doosan Solus Co., Ltd. focus on?

Doosan Solus Co., Ltd.'s top technology area is C07D (Heterocyclic Compounds) with 5 patents, ranking #1,402 of 3,165 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

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

Insufficient historical data is available to calculate a velocity trend for Doosan Solus Co., Ltd..

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

Doosan Solus Co., Ltd.'s patents average 10.6 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 Doosan Solus 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

Doosan Solus Co., Ltd.

USPTO PatentsView assignee record - 5 granted patents across 3 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: C07D (Heterocyclic Compounds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Doosan ranks #46,264 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 3 technology areas.

#46,264
of 49,997 US assignees by volume: 9th percentile
by Innovation Score (22.0/100): 10.6
avg claims per patent

USPTO PatentsView assignee plate

Corpus R46264 · Foreign Corporation #46,264 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 5 grants
BOTTOM-DECILE #46,264/49,997
PHOTO-FINISH Dongshin Polymer
CPC-NARROW C07D · 3 areas
INNOV-THIN 22.0/100
CLAIMS-PAR 10.6 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2020–2025 · 6y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Dongshin Polymer Co., Ltd. (±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 Doosan’s 22.0 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 6.2 pts (28%) Velocity 3.3 pts (15%) Breadth 6.1 pts (28%) Claim depth 6.4 pts (29%)

Qualcomm Incorporated · highest

85
Doosan Solus · this assignee

22
3D Lighting… · lowest

7

What this shows Doosan's Innovation Score is 22.0/100 (9th percentile 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 Doosan?

Each dot is one of Doosan’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). Doosan’s own 10.6 claims/patent is ABOVE the 9.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Doosan's grants concentrate

Doosan Solus Co., Ltd. is a focused PatentsView assignee: 3 CPC subclasses with 100% of grants classified under C07D (Heterocyclic Compounds). By volume, Doosan sits between Dongshin Polymer Co., Ltd. and DOS Viejos Amigos, LLC.

Doosan's three-year grant acceleration

Doosan Solus Co., Ltd. shows 1 grants in 2022–2024 against only 2 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.

Dongshin Polymer

5
Dongwoo HST

5
Dongwoun Industri…

5
Doosan Enerbnlity

5
DOPE Security

5
Dopple IP B V

5
Doria Internation…

5
DOS Viejos Amigos

5
Doosan Solus ◀

5

What this shows Doosan holds 5 patents at rank #46,146, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Doosan

By rank, the assignees closest to #46,146 in granted patent volume.

Leaders in C07D (Heterocyclic Compounds)

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

Doosan's Innovation Score vs. every tracked assignee

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

22 9th percentile higher than 9% 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

Doosan Solus Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2020	1	20.0%
2021	1	20.0%
2022	1	20.0%
2025partial year	2	40.0%

Which technologies does Doosan Solus Co., Ltd. patent most?

C07D - Heterocyclic Compounds 5

H10K - Organic Electric Solid-state Devices 5

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 4

Top 3 of 3 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

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

Doosan Solus Co., Ltd.'s lead technology class is C07D (Heterocyclic Compounds), 100% of its portfolio - see every assignee active in that class. Explore C07D
Ranked #46,264 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Doosan Solus Co., Ltd. against Dongshin Polymer Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.0/100 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.