USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Keyence Corporation

USPTO PatentsView assignee record - 304 granted patents across 56 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: G01B (MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

304

Total patents granted

CPC technology areas

13.0

Avg claims per patent

+24%

5-year filing velocity

The verdict

Keyence holds 304 US patents across 56 technology areas, rank #1,380 of 50,000 tracked assignees.

#1,380
of 50,000 US assignees by volume: Top 6%
by Innovation Score (56.3/100): 13.0
avg claims per patent: +24%
filing velocity, last 5 yrs

Portfolio overview

Keyence Corporation has been granted 304 US utility patents between 2015 and 2025, placing Keyence Corporation at rank #1,380 across all assignees tracked by PlainPatent. This portfolio spans 56 distinct Cooperative Patent Classification (CPC) subclasses, averaging 13.0 claims per patent with primary concentration in G01B (MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS). As a Foreign Corporation, Keyence Corporation is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Keyence sits between University Of Kentucky Research Foundation (305 patents, rank #1,376) and Deepmind Technologies Limited (303 patents, rank #1,384) - the closest US assignees by grant volume. The composite Innovation Score of 56.3/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 168 grants, compared with 136 in the 2015–2019 window, a +24% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Keyence Corporation's 13.0 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 56 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Keyence Corporation against peers pursuing similar technology classes.

University of Ken…

305
Yahoo Assets

305
Yandex Europe

305
Avent

304
Pacific Bioscienc…

304
STC UNM

304
Webasto SE

304
Keyence ◀

304
Deepmind

303

What this shows Keyence holds 304 patents at rank #1,380, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Keyence

By rank, the assignees closest to #1,380 in granted patent volume.

Leaders in G01B (Measuring Length)

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

Keyence's Innovation Score vs. every tracked assignee

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

56 Top 6% higher than 94% of 50,000 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

Keyence Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	17	5.6%
2016	14	4.6%
2017	34	11.2%
2018	25	8.2%
2019	46	15.1%
2020	41	13.5%
2021	34	11.2%
2022	24	7.9%
2023	22	7.2%
2024	22	7.2%
2025	25	8.2%

Which technologies does Keyence Corporation patent most?

G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 98

G06T - IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 96

H04N - PICTORIAL COMMUNICATION, e.g. TELEVISION 55

G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS 51

G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 42

G06K - GRAPHICAL DATA READING ; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 33

G06F - ELECTRIC DIGITAL DATA PROCESSING 30

G06V - IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING 29

G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 29

G01V - GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 16

G01S - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES 16

G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 15

G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME 15

G01D - MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 12

G08B - SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 12

Top 15 of 56 technology areas

Patent Moat Analysis

Portfolio Volume Moderate

Tech Breadth Multi-domain

Claim Depth Standard

Velocity Growing

Where it ranks

Overall rank by patents

#1,380

Across all tracked assignees

Innovation Score

56.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Keyence Corporation hold?

Keyence Corporation holds 304 US granted patents filed between 2015 and 2025, spanning 56 technology areas.

What is Keyence Corporation's Innovation Score?

Keyence Corporation has an Innovation Score of 56.3 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Keyence Corporation focus on?

Keyence Corporation's top technology area is G01B (MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS) with 98 patents. The company has filed patents in 56 CPC subclasses total.

Is Keyence Corporation's patent filing rate increasing or decreasing?

Keyence Corporation's recent filing velocity is +24% compared to the prior five-year period. The company is maintaining or growing its patent output.

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

Keyence Corporation's patents average 13.0 claims each. This falls within the standard range, providing solid legal coverage.

How is the Keyence 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.

How to use this portfolio

Keyence's 304 grants land it in the top 6% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Keyence ranks #1,380 of 50,000. Top 50 holders
Most of this portfolio concentrates in G01B - see who else leads that technology area. G01B leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.