Where does Ebara Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ebara Corporation ranks #460 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 Ebara Corporation hold?

Ebara Corporation holds 983 US utility patents granted between 2015 and 2025, spanning 142 technology areas.

What is Ebara Corporation's Innovation Score?

Ebara Corporation has an Innovation Score of 61.8 out of 100 (top 3% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Ebara Corporation focus on?

Ebara Corporation's top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 421 patents. Grants appear in 142 CPC subclasses total.

Is Ebara Corporation's patent grant rate increasing or decreasing?

Ebara Corporation's recent grant velocity is +11% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Ebara Corporation's patents?

Ebara Corporation's patents average 10.6 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 Ebara Corporation 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

Ebara Corporation

USPTO PatentsView assignee record - 983 granted patents across 142 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: H01L (Semiconductor Devices NOT Covered BY Class H10).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ebara ranks #460 of 49,997 tracked US assignees by granted-patent volume, with 983 patents across 142 technology areas.

#460
of 49,997 US assignees by volume: Top 3%
by Innovation Score (61.8/100): 10.6
avg claims per patent: +11%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R460 · Foreign Corporation #460 · 983 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-PAR · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MID 983 grants
TOP-DECILE #460/49,997
PHOTO-FINISH Snowflake
CPC-WIDE H01L · 142 areas
INNOV-STRONG 61.8/100
CLAIMS-PAR 10.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +11% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Snowflake Inc. (±1 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
Ebara · this assignee

62
Shenzhen Institutes… · near

62
Ventana Medical… · near

62
Walgreen · near

62
Marvell International · near

62
3D Lighting… · lowest

7

What this shows Ebara's Innovation Score is 61.8/100 (top 3% 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.

How Ebara's grant cadence moved

Between 2020–2024, Ebara Corporation received 484 grants versus 435 in 2015–2019 (+11% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2017 at 113 grants and bottomed in 2015 at 66. Lead class H01L accounts for 42.8% of the portfolio across 142 subclasses. Volume neighbours: Beijing BOE Technology Development Co., Ltd. (#456) and KAO Corporation (#464).

Ebara's three-year grant acceleration

From 2019–2021 to 2022–2024, Ebara Corporation moved from 292 to 291 grants (1.00x 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 #1,198. See the growth leaderboard.

Beijing BOE Techn…

991
AGC

988
L'air Liquide Soc…

988
Snowflake

984
Ebara ◀

983
Foxconn Interconn…

974
Asustek Computer

970
Marvell World Tra…

967
KAO

957

What this shows Ebara holds 983 patents at rank #460, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ebara

By rank, the assignees closest to #460 in granted patent volume.

Leaders in H01L (Semiconductor Devices NOT Covered BY Class H10)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Ebara, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (62 here).

Ventana Medical Systems, Inc. 62 Walgreen Co. 62 Shenzhen Institutes OF Advanced Technology 62 Marvell International Ltd. 62

Similar claim depth

Nearest assignees by average claims per patent (10.6 here).

Samyang Holdings Corporation 10.6 avg DIC Corporation 10.6 avg University OF Tsukuba 10.6 avg THE Asan Foundation 10.6 avg

Ebara's Innovation Score vs. every tracked assignee

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

62 Top 3% higher than 97% 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

Ebara Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	66	6.7%
2016	74	7.5%
2017	113	11.5%
2018	83	8.4%
2019	99	10.1%
2020	106	10.8%
2021	87	8.9%
2022	97	9.9%
2023	100	10.2%
2024	94	9.6%
2025partial year	64	6.5%

Which technologies does Ebara Corporation patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 421

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 390

C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor 187

B08B - Cleaning IN GENERAL; Prevention OF Fouling IN General 121

F04D - Non-positive-displacement Pumps 43

H01J - Electric Discharge Tubes OR Discharge Lamps 41

B01D - Separation 33

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 32

Y10T - Technical Subjects Covered BY Former US Classification 28

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 27

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 27

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 25

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 23

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 20

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 16

Top 15 of 142 technology areas

Where it ranks

Overall rank by patents

#460

of 49,997 tracked assignees

Innovation Score

61.8 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

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

Ebara Corporation's lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 42.8% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #460 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ebara Corporation against Beijing BOE Technology Development Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 61.8/100 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.