Where does NxStage Medical, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), NxStage Medical, Inc. ranks #2,746 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 NxStage Medical, Inc. hold?

NxStage Medical, Inc. holds 141 US utility patents granted between 2015 and 2025, spanning 34 technology areas.

What is NxStage Medical, Inc.'s Innovation Score?

NxStage Medical, Inc. has an Innovation Score of 54.8 out of 100 (top 7% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

NxStage Medical, Inc.'s recent grant velocity is +121% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

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

NxStage Medical, Inc.'s patents average 14.3 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 NxStage Medical, 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

NxStage Medical, Inc.

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

NxStage Medical, Inc.'s top technology area is A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor) with 134 patents. Grants appear in 34 CPC subclasses total.

USPTO PatentsView assignee record - 141 granted patents across 34 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: A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nxstage ranks #2,746 of 49,997 tracked US assignees by granted-patent volume, with 141 patents across 34 technology areas.

#2,746
of 49,997 US assignees by volume: Top 7%
by Innovation Score (54.8/100): 14.3
avg claims per patent: +121%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2746 · US Corporation #2,746 · 141 grants

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

GRANTS-MID 141 grants
TOP-DECILE #2,746/49,997
PHOTO-FINISH Kemet
CPC-FOCUS A61M · 34 areas
INNOV-PAR 54.8/100
CLAIMS-RICH 14.3 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +121% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kemet Electronics Corporation (±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.

Qualcomm Incorporated · highest

85
Pregis Innovative… · near

55
Dublin City University · near

55
Hoya Optical Labs… · near

55
NxStage Medical · this assignee

55
Korea Institute OF… · near

55
3D Lighting… · lowest

7

What this shows Nxstage's Innovation Score is 54.8/100 (top 7% 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.

Where Nxstage's grants concentrate

NxStage Medical, Inc. is a focused PatentsView assignee: 34 CPC subclasses with 95% of grants classified under A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor). Peak complete grant year is 2024 (27 grants) versus a trough of 2 in 2015. By volume, Nxstage sits between Kemet Electronics Corporation and TomTom International B.V..

Nxstage's three-year grant acceleration

From 2019–2021 to 2022–2024, NxStage Medical, Inc. moved from 44 to 56 grants (1.27x 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 #681. See the growth leaderboard.

Kemet

141
Kowa

141
Laird

141
Marathon Petroleum

141
Optis Wireless Te…

141
Synaptive Medical

141
Therabody

141
Tomtom Internatio…

141
Nxstage Medical ◀

141

What this shows NxStage holds 141 patents at rank #2,746, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near NxStage

By rank, the assignees closest to #2,746 in granted patent volume.

Leaders in A61M (Devices FOR Introducing Media Into)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (55 here).

Dublin City University 55 Hoya Optical Labs Of America, Inc. 55 Pregis Innovative Packaging LLC 55 Korea Institute OF Machinery & Materials 55

Similar claim depth

Nearest assignees by average claims per patent (14.3 here).

Silk Road Medical, Inc. 14.3 avg Rohinni, Inc. 14.3 avg 3M Innovative Properties Company 14.3 avg Plansee SE 14.3 avg

Nxstage's Innovation Score vs. every tracked assignee

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

55 Top 7% higher than 93% 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

NxStage Medical, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	1.4%
2016	4	2.8%
2017	12	8.5%
2018	7	5.0%
2019	14	9.9%
2020	14	9.9%
2021	16	11.3%
2022	14	9.9%
2023	15	10.6%
2024	27	19.1%
2025partial year	16	11.3%

Which technologies does NxStage Medical, Inc. patent most?

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 134

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 30

Y10T - Technical Subjects Covered BY Former US Classification 19

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 14

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 11

B01D - Separation 11

A61B - DIAGNOSIS; SURGERY; Identification 9

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 8

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 7

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 7

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 7

G01L - Measuring Force, Stress, Torque, Work, Mechanical Power, Mechanical Efficiency, OR Fluid Pressure 6

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 6

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 5

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 5

Top 15 of 34 technology areas

Where it ranks

Overall rank by patents

#2,746

of 49,997 tracked assignees

Innovation Score

54.8 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

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

NxStage Medical, Inc.'s lead technology class is A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor), 95% of its portfolio - see every assignee active in that class. Explore A61M
Ranked #2,746 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare NxStage Medical, Inc. against Kemet Electronics Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.8/100 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.