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

According to USPTO PatentsView (2015–2025 granted utility patents), OZK Co., Ltd. ranks #42,210 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 OZK Co., Ltd. hold?

OZK Co., Ltd. holds 6 US utility patents granted between 2017 and 2025, spanning 4 technology areas.

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

OZK Co., Ltd. has an Innovation Score of 17.0 out of 100 (4th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

OZK Co., Ltd.'s recent grant velocity is -75% 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 OZK Co., Ltd.'s patents?

OZK Co., Ltd.'s patents average 5.3 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 OZK 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

OZK Co., Ltd.

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

OZK Co., Ltd.'s top technology area is 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) with 2 patents. Grants appear in 4 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 4 technology areas, recorded in grant years 2017–2025. 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: 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).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, OZK ranks #42,210 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 4 technology areas.

#42,210
of 49,997 US assignees by volume: 4th percentile
by Innovation Score (17.0/100): 5.3
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R42210 · Foreign Corporation #42,210 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #42,210/49,997
PHOTO-FINISH Oakworks
CPC-NARROW A61M · 4 areas
INNOV-LOW 17.0/100
CLAIMS-SPARSE 5.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Oakworks, 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.

Qualcomm Incorporated · highest

85
OZK · this assignee

17
3D Lighting… · lowest

7

What this shows OZK's Innovation Score is 17.0/100 (4th 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.

Where OZK's grants concentrate

OZK Co., Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 33.3% of grants classified under 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). Peak complete grant year is 2018 (2 grants) versus a trough of 1 in 2017. By volume, OZK sits between Owkin, Inc. and Ocean Cleaner, LLC.

Owkin

6
OWL Labs

6
Oxiscience

6
Oyster Optics

6
Oakworks

6
Objectstore

6
Observe Medical A…

6
Ocean Cleaner

6
OZK ◀

6

What this shows OZK holds 6 patents at rank #42,114, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near OZK

By rank, the assignees closest to #42,114 in granted patent volume.

Leaders in A61M (Devices FOR Introducing Media Into)

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

OZK's Innovation Score vs. every tracked assignee

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

17 4th percentile higher than 4% 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 · 2017–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

OZK Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	16.7%
2018	2	33.3%
2019	1	16.7%
2020	1	16.7%
2025partial year	1	16.7%

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

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

A61B - DIAGNOSIS; SURGERY; Identification 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

B21F - Working OR Processing OF Metal Wire 1

Top 4 of 4 technology areas

Where it ranks

Overall rank by patents

#42,210

of 49,997 tracked assignees

Innovation Score

17.0 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

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

OZK Co., Ltd.'s lead technology class is 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), 33.3% of its portfolio - see every assignee active in that class. Explore A61M
Ranked #42,210 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare OZK Co., Ltd. against Owkin, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 17.0/100 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.