Where does AXT, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), AXT, Inc. ranks #38,996 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 AXT, Inc. hold?

AXT, Inc. holds 6 US utility patents granted between 2023 and 2025, spanning 4 technology areas.

What is AXT, Inc.'s Innovation Score?

AXT, Inc. has an Innovation Score of 42.7 out of 100 (top 30% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is AXT, Inc.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for AXT, Inc..

What does claim depth mean for AXT, Inc.'s patents?

AXT, Inc.'s patents average 14.8 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 AXT, Inc. 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 US Corporation

AXT, Inc.

Q: What technology areas does AXT, Inc. focus on?

AXT, Inc.'s top technology area is C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI) with 6 patents, ranking #93 of 414 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 4 technology areas, recorded in grant years 2023–2025. 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: C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, AXT ranks #38,996 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 4 technology areas.

#38,996
of 49,997 US assignees by volume: Top 30%
by Innovation Score (42.7/100): 14.8
avg claims per patent

USPTO PatentsView assignee plate

Corpus R38996 · US Corporation #38,996 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 6 grants
LOWER-Q #38,996/49,997
PHOTO-FINISH Aarke AB
CPC-NARROW C30B · 4 areas
INNOV-PAR 42.7/100
CLAIMS-RICH 14.8 claims/avg
TYPE-USCORP US Corporation
SPAN-YRS 2023–2025 · 3y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Aarke AB (±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 AXT’s 42.7 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 6.7 pts (16%) Velocity 20.0 pts (47%) Breadth 7.1 pts (17%) Claim depth 8.9 pts (21%)

Qualcomm Incorporated · highest

85
AXT · this assignee

43
3D Lighting… · lowest

7

What this shows AXT's Innovation Score is 42.7/100 (top 30% 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 AXT?

Each dot is one of AXT’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). AXT’s own 14.8 claims/patent is at or below the 16.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where AXT's grants concentrate

AXT, Inc. is a focused PatentsView assignee: 4 CPC subclasses with 100% of grants classified under C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys). By volume, AXT sits between AWE Company Limited and Abela Pharmaceuticals, Inc..

AXT's three-year grant acceleration

AXT, Inc. shows 4 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.

AWE

6
Axiomed

6
Axolabs

6
Axon Vibe

6
Axxana (Israel)

6
Azitra

6
Aarke AB

6
Abela Pharmaceuti…

6
AXT ◀

6

What this shows AXT holds 6 patents at rank #38,754, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near AXT

By rank, the assignees closest to #38,754 in granted patent volume.

Leaders in C30B (Single-crystal Growth)

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

AXT's Innovation Score vs. every tracked assignee

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

43 Top 30% higher than 70% 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 · 2023–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2023–2019 baseline. Full figures in the table below.

View data table

AXT, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2023	2	33.3%
2024	2	33.3%
2025partial year	2	33.3%

Which technologies does AXT, Inc. patent most?

C30B - Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI 6

H10D - Inorganic Electric Semiconductor Devices 5

H01S - Devices Using THE Process OF Light Amplification BY Stimulated Emission OF Radiation [LASER] TO Amplify OR Generate LIGHT; Devices Using Stimulated Emission OF Electromagnetic Radiation IN Wave Ranges Other Than Optical 2

H01L - Semiconductor Devices NOT Covered BY Class H10 1

Top 4 of 4 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

AXT, Inc.'s patent record in context - here's where to go next.

AXT, Inc.'s lead technology class is C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys), 100% of its portfolio - see every assignee active in that class. Explore C30B
Ranked #38,996 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare AXT, Inc. against AWE Company Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 42.7/100 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.