Where does Accuray Incorporated rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Accuray Incorporated ranks #3,111 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 Accuray Incorporated hold?

Accuray Incorporated holds 121 US utility patents granted between 2015 and 2025, spanning 20 technology areas.

What is Accuray Incorporated's Innovation Score?

Accuray Incorporated has an Innovation Score of 52.6 out of 100 (top 10% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Accuray Incorporated focus on?

Accuray Incorporated's top technology area is A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy) with 111 patents, ranking #31 of 1,943 assignees active in that subclass. Grants appear in 20 CPC subclasses total.

Is Accuray Incorporated's patent grant rate increasing or decreasing?

Accuray Incorporated's recent grant velocity is +79% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Accuray Incorporated's patents?

Accuray Incorporated's patents average 20.2 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 Accuray Incorporated 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

Accuray Incorporated

USPTO PatentsView assignee record - 121 granted patents across 20 technology areas, recorded in grant years 2015–2025. 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: A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Accuray ranks #3,111 of 49,997 tracked US assignees by granted-patent volume, with 121 patents across 20 technology areas.

#3,111
of 49,997 US assignees by volume: Top 10%
by Innovation Score (52.6/100): 20.2
avg claims per patent: +79%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3111 · US Corporation #3,111 · 121 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-DENSE · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 121 grants
TOP-DECILE #3,111/49,997
PHOTO-FINISH Bando Chemical…
CPC-FOCUS A61N · 20 areas
INNOV-PAR 52.6/100
CLAIMS-DENSE 20.2 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +79% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Bando Chemical Industries, 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 Accuray’s 52.6 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 16.6 pts (32%) Velocity 8.1 pts (15%) Breadth 15.8 pts (30%) Claim depth 12.1 pts (23%)

Qualcomm Incorporated · highest

85
Accuray Incorporated · this assignee

53
Biedermann & KG · near

53
Ecosense Lighting · near

53
Mitsubishi Hitachi… · near

53
SolarCity · near

53
3D Lighting… · lowest

7

What this shows Accuray's Innovation Score is 52.6/100 (top 10% 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 Accuray?

Each dot is one of Accuray’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). Accuray’s own 20.2 claims/patent is ABOVE the 9.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Accuray's grants concentrate

Accuray Incorporated is a focused PatentsView assignee: 20 CPC subclasses with 91.7% of grants classified under A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy). Peak complete grant year is 2022 (22 grants) versus a trough of 4 in 2017. By volume, Accuray sits between Smartsky Networks LLC and Fuji Machine MFG. Co., Ltd..

Accuray's three-year grant acceleration

From 2019–2021 to 2022–2024, Accuray Incorporated moved from 38 to 46 grants (1.21x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #770. See the growth leaderboard.

Smartsky Networks

122
Sensors Incorpora…

122
Siltronic

122
Thermwood

122
Bando Chemical In…

121
CCL Label

121
Elago

121
Fuji Machine MFG

121
Accuray Incorpora… ◀

121

What this shows Accuray holds 121 patents at rank #3,111, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Accuray

By rank, the assignees closest to #3,111 in granted patent volume.

Leaders in A61N (Electrotherapy)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Accuray, neither rank-band nor same-CPC leaders (those blocks stay above). In A61N (Electrotherapy), Accuray ranks #31 of 1,943 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (53 here).

Ecosense Lighting Inc. 53 SolarCity Corporation 53 Biedermann Technologies GMBH & Co. KG 53 Mitsubishi Hitachi Power Systems, Ltd. 53

Similar claim depth

Nearest assignees by average claims per patent (20.2 here).

Akoustis, Inc. 20.2 avg Harris Corporation 20.2 avg Sartorius Stedim FMT SAS 20.2 avg 2236008 Ontario Inc. 20.2 avg

Accuray's Innovation Score vs. every tracked assignee

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

53 Top 10% higher than 90% 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 · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Accuray Incorporated patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	9	7.4%
2016	11	9.1%
2017	4	3.3%
2018	9	7.4%
2019	9	7.4%
2020	19	15.7%
2021	10	8.3%
2022	22	18.2%
2023	16	13.2%
2024	8	6.6%
2025partial year	4	3.3%

Which technologies does Accuray Incorporated patent most?

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 111

A61B - DIAGNOSIS; SURGERY; Identification 82

G06T - Image Data Processing OR Generation, IN General 36

G21K - Techniques FOR Handling Particles OR Ionising Radiation NOT Otherwise Provided FOR; Irradiation DEVICES; Gamma RAY OR X-ray Microscopes 18

H05H - Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams 10

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 8

G16H - Healthcare Informatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR THE Handling OR Processing OF Medical OR Healthcare Data 7

H05G - X-ray Technique 4

H01J - Electric Discharge Tubes OR Discharge Lamps 4

G02B - Optical Elements, Systems OR Apparatus 4

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 4

G06N - Computing Arrangements Based ON Specific Computational Models 3

H04N - Pictorial Communication, e.g. Television 2

G06F - Electric Digital Data Processing 2

G16Z - Information AND Communication Technology [ICT] Specially Adapted FOR Specific Application Fields, NOT Otherwise Provided FOR 2

Top 15 of 20 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

Accuray Incorporated's patent record in context - here's where to go next.

Accuray Incorporated's lead technology class is A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy), 91.7% of its portfolio - see every assignee active in that class. Explore A61N
Ranked #3,111 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Accuray Incorporated against Smartsky Networks LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.6/100 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.