Where does Keithley Instruments, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Keithley Instruments, LLC ranks #5,851 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 Keithley Instruments, LLC hold?

Keithley Instruments, LLC holds 58 US utility patents granted between 2015 and 2025, spanning 24 technology areas.

What is Keithley Instruments, LLC's Innovation Score?

Keithley Instruments, LLC has an Innovation Score of 43.6 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%).

What technology areas does Keithley Instruments, LLC focus on?

Keithley Instruments, LLC's top technology area is G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables) with 42 patents, ranking #142 of 3,424 assignees active in that subclass. Grants appear in 24 CPC subclasses total.

Is Keithley Instruments, LLC's patent grant rate increasing or decreasing?

Keithley Instruments, LLC's recent grant velocity is +8% 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 Keithley Instruments, LLC's patents?

Keithley Instruments, LLC's patents average 15.0 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 Keithley Instruments, LLC 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

Keithley Instruments, LLC

USPTO PatentsView assignee record - 58 granted patents across 24 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: G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Keithley ranks #5,851 of 49,997 tracked US assignees by granted-patent volume, with 58 patents across 24 technology areas.

#5,851
of 49,997 US assignees by volume: Top 28%
by Innovation Score (43.6/100): 15.0
avg claims per patent: +8%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5851 · US Corporation #5,851 · 58 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-FLAT · BOOK-FULL

GRANTS-SMALL 58 grants
UPPER-Q #5,851/49,997
PHOTO-FINISH JD com American
CPC-FOCUS G01R · 24 areas
INNOV-PAR 43.6/100
CLAIMS-RICH 15.0 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT +8% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: JD.com American Technologies 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.

How Keithley’s 43.6 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 14.1 pts (32%) Velocity 3.2 pts (7%) Breadth 17.3 pts (40%) Claim depth 9.0 pts (21%)

Qualcomm Incorporated · highest

85
iboss · near

44
Keithley Instruments · this assignee

44
Nasuni · near

44
Spigen Korea · near

44
Unger Marketing… · near

44
3D Lighting… · lowest

7

What this shows Keithley's Innovation Score is 43.6/100 (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 Keithley?

Each dot is one of Keithley’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). Keithley’s own 15.0 claims/patent is ABOVE the 13.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Keithley's grants concentrate

Keithley Instruments, LLC is a focused PatentsView assignee: 24 CPC subclasses with 72.4% of grants classified under G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables). Peak complete grant year is 2017 (9 grants) versus a trough of 1 in 2015. By volume, Keithley sits between JD.com American Technologies Corporation and Leapfrog Product Development LLC.

Keithley's three-year grant acceleration

From 2019–2021 to 2022–2024, Keithley Instruments, LLC moved from 25 to 12 grants (0.48x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

JD com American

58
Jiangsu Midea Cle…

58
KEY Safety Systems

58
Korea University…

58
L'orÉAL

58
Lisi Aerospace

58
Lutronic

58
Leapfrog Product…

58
Keithley Instrume… ◀

58

What this shows Keithley holds 58 patents at rank #5,853, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Keithley

By rank, the assignees closest to #5,853 in granted patent volume.

Leaders in G01R (Measuring Electric Variables)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Keithley, neither rank-band nor same-CPC leaders (those blocks stay above). In G01R (Measuring Electric Variables), Keithley ranks #142 of 3,424 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (44 here).

Nasuni Corporation 44 iboss, Inc. 44 Unger Marketing International, LLC 44 Spigen Korea Co., Ltd. 44

Similar claim depth

Nearest assignees by average claims per patent (15.0 here).

Knauf Gips KG 15.0 avg Robotis Co., Ltd. 15.0 avg Milwaukee Electric Tool Corporation 15.0 avg Ningbo Semiconductor International Corporation 15.0 avg

Keithley's Innovation Score vs. every tracked assignee

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

44 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 · 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

Keithley Instruments, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	1.7%
2016	5	8.6%
2017	9	15.5%
2018	2	3.4%
2019	9	15.5%
2020	9	15.5%
2021	7	12.1%
2022	3	5.2%
2023	5	8.6%
2024	4	6.9%
2025partial year	4	6.9%

Which technologies does Keithley Instruments, LLC patent most?

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 42

G06F - Electric Digital Data Processing 6

H03F - Amplifiers 5

H02H - Emergency Protective Circuit Arrangements 4

H03K - Pulse Technique 4

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 3

G05F - Systems FOR Regulating Electric OR Magnetic Variables 3

H01L - Semiconductor Devices NOT Covered BY Class H10 3

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 2

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 2

H03H - Impedance Networks, e.g. Resonant CIRCUITS; Resonators 2

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 1

H03M - CODING; DECODING; Code Conversion IN General 1

Y10T - Technical Subjects Covered BY Former US Classification 1

H04M - Telephonic Communication 1

Top 15 of 24 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

Keithley Instruments, LLC's patent record in context - here's where to go next.

Keithley Instruments, LLC's lead technology class is G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables), 72.4% of its portfolio - see every assignee active in that class. Explore G01R
Ranked #5,851 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Keithley Instruments, LLC against JD.com American Technologies Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.6/100 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.