Where does Ztarx Corporation Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ztarx Corporation Limited ranks #34,013 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 Ztarx Corporation Limited hold?

Ztarx Corporation Limited holds 8 US utility patents granted between 2022 and 2025, spanning 9 technology areas.

What is Ztarx Corporation Limited's Innovation Score?

Ztarx Corporation Limited has an Innovation Score of 43.3 out of 100 (top 28% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ztarx Corporation Limited's patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Ztarx Corporation Limited.

What does claim depth mean for Ztarx Corporation Limited's patents?

Ztarx Corporation Limited's patents average 8.5 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 Ztarx Corporation 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

Ztarx Corporation Limited

Q: What technology areas does Ztarx Corporation Limited focus on?

Ztarx Corporation Limited's top technology area is F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors) with 3 patents, ranking #428 of 1,094 assignees active in that subclass. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 9 technology areas, recorded in grant years 2022–2025. 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: F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ztarx ranks #34,013 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 9 technology areas.

#34,013
of 49,997 US assignees by volume: Top 28%
by Innovation Score (43.3/100): 8.5
avg claims per patent

USPTO PatentsView assignee plate

Corpus R34013 · Foreign Corporation #34,013 · 8 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 8 grants
MID-PACK #34,013/49,997
PHOTO-FINISH b-ONE Ortho
CPC-NARROW F21S · 9 areas
INNOV-PAR 43.3/100
CLAIMS-PAR 8.5 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2022–2025 · 4y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: b-ONE Ortho, Corp (±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 Ztarx’s 43.3 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 7.6 pts (18%) Velocity 20.0 pts (46%) Breadth 10.6 pts (24%) Claim depth 5.1 pts (12%)

Qualcomm Incorporated · highest

85
Ztarx · this assignee

43
3D Lighting… · lowest

7

What this shows Ztarx's Innovation Score is 43.3/100 (top 28% 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 Ztarx?

Each dot is one of Ztarx’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). Ztarx’s own 8.5 claims/patent is at or below the 16.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Ztarx's grants concentrate

Ztarx Corporation Limited is a focused PatentsView assignee: 9 CPC subclasses with 37.5% of grants classified under F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors). Peak complete grant year is 2024 (4 grants) versus a trough of 1 in 2022. By volume, Ztarx sits between Zipline Innovations, LLC and eConnect, Inc..

Ztarx's three-year grant acceleration

Ztarx Corporation Limited shows 6 grants in 2022–2024 against only 0 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.

Zipline Innovatio…

8
Zoll Lifebridge

8
Zomedica Biotechn…

8
Zomedica

8
Zumutor Biologics

8
b-one Ortho

8
eaffirm

8
econnect

8
Ztarx ◀

8

What this shows Ztarx holds 8 patents at rank #33,998, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ztarx

By rank, the assignees closest to #33,998 in granted patent volume.

Leaders in F21S (Non-portable Lighting Devices)

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

Ztarx's Innovation Score vs. every tracked assignee

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

43 Top 28% higher than 72% 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 · 2022–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2022–2019 baseline. Full figures in the table below.

View data table

Ztarx Corporation Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2022	1	12.5%
2023	1	12.5%
2024	4	50.0%
2025partial year	2	25.0%

Which technologies does Ztarx Corporation Limited patent most?

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 3

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 3

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 3

A63H - Toys, e.g. Tops, Dolls, Hoops OR Building Blocks 3

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 3

F21L - Lighting Devices OR Systems Thereof, Being Portable OR Specially Adapted FOR Transportation 3

A45C - PURSES; LUGGAGE; Hand Carried Bags 1

H04R - Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems 1

A45F - Travelling OR Camp EQUIPMENT: Sacks OR Packs Carried ON THE Body 1

Top 9 of 9 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

Ztarx Corporation Limited's patent record in context - here's where to go next.

Ztarx Corporation Limited's lead technology class is F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors), 37.5% of its portfolio - see every assignee active in that class. Explore F21S
Ranked #34,013 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ztarx Corporation Limited against Zipline Innovations, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.3/100 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.