Where does Ozuno Holdings Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ozuno Holdings Limited ranks #49,438 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 Ozuno Holdings Limited hold?

Ozuno Holdings Limited holds 5 US utility patents granted between 2018 and 2018, spanning 6 technology areas.

What is Ozuno Holdings Limited's Innovation Score?

Ozuno Holdings Limited has an Innovation Score of 24.4 out of 100 (15th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ozuno Holdings Limited's patent grant rate increasing or decreasing?

Ozuno Holdings Limited's recent grant velocity is -100% 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 Ozuno Holdings Limited's patents?

Ozuno Holdings Limited's patents average 16.0 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 Ozuno Holdings Limited 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

Ozuno Holdings Limited

Q: What technology areas does Ozuno Holdings Limited focus on?

Ozuno Holdings Limited's top technology area is H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General) with 5 patents, ranking #602 of 2,247 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 6 technology areas, recorded in grant years 2018–2018. 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: H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Ozuno ranks #49,438 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 6 technology areas.

#49,438
of 49,997 US assignees by volume: 15th percentile
by Innovation Score (24.4/100): 16.0
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49438 · Foreign Corporation #49,438 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,438/49,997
PHOTO-FINISH Oxitone Medical
CPC-NARROW H05B · 6 areas
INNOV-THIN 24.4/100
CLAIMS-RICH 16.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Oxitone Medical 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 Ozuno’s 24.4 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 (25%) Velocity 0.0 pts (0%) Breadth 8.7 pts (36%) Claim depth 9.6 pts (39%)

Qualcomm Incorporated · highest

85
Ozuno Holdings · this assignee

24
3D Lighting… · lowest

7

What this shows Ozuno's Innovation Score is 24.4/100 (15th 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 Ozuno?

Each dot is one of Ozuno’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). Ozuno’s own 16.0 claims/patent is ABOVE the 15.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Ozuno's grants concentrate

Ozuno Holdings Limited is a focused PatentsView assignee: 6 CPC subclasses with 100% of grants classified under H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General). By volume, Ozuno sits between Oxitone Medical Ltd. and P.R.A. Company.

Oxitone Medical

5
Oxla sp z o o

5
Oxular

5
Oxy Vinyls

5
P & S Global Hold…

5
P M B

5
P C O A Devices

5
P R A

5
Ozuno Holdings ◀

5

What this shows Ozuno holds 5 patents at rank #49,441, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ozuno

By rank, the assignees closest to #49,441 in granted patent volume.

Leaders in H05B (Electric Heating)

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

Ozuno's Innovation Score vs. every tracked assignee

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

24 15th percentile higher than 15% 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

Grants by year

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

View data table

Ozuno Holdings Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	5	100.0%

Which technologies does Ozuno Holdings Limited patent most?

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 5

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 4

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 3

H03K - Pulse Technique 3

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 2

H02H - Emergency Protective Circuit Arrangements 1

Top 6 of 6 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

Ozuno Holdings Limited's patent record in context - here's where to go next.

Ozuno Holdings Limited's lead technology class is H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General), 100% of its portfolio - see every assignee active in that class. Explore H05B
Ranked #49,438 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ozuno Holdings Limited against Oxitone Medical Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.4/100 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.