Where does Kyosan Denki Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kyosan Denki Co., Ltd. ranks #10,083 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 Kyosan Denki Co., Ltd. hold?

Kyosan Denki Co., Ltd. holds 31 US utility patents granted between 2015 and 2025, spanning 12 technology areas.

What is Kyosan Denki Co., Ltd.'s Innovation Score?

Kyosan Denki Co., Ltd. has an Innovation Score of 32.9 out of 100 (43rd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Kyosan Denki Co., Ltd. focus on?

Kyosan Denki Co., Ltd.'s top technology area is F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof) with 26 patents, ranking #61 of 574 assignees active in that subclass. Grants appear in 12 CPC subclasses total.

Is Kyosan Denki Co., Ltd.'s patent grant rate increasing or decreasing?

Kyosan Denki Co., Ltd.'s recent grant velocity is -50% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Kyosan Denki Co., Ltd.'s patents?

Kyosan Denki Co., Ltd.'s patents average 12.3 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 Kyosan Denki Co., Ltd. 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

Kyosan Denki Co., Ltd.

USPTO PatentsView assignee record - 31 granted patents across 12 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: F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kyosan ranks #10,083 of 49,997 tracked US assignees by granted-patent volume, with 31 patents across 12 technology areas.

#10,083
of 49,997 US assignees by volume: 43rd percentile
by Innovation Score (32.9/100): 12.3
avg claims per patent: -50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10083 · Foreign Corporation #10,083 · 31 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 31 grants
UPPER-Q #10,083/49,997
PHOTO-FINISH K Hartwall OY AB
CPC-FOCUS F02M · 12 areas
INNOV-THIN 32.9/100
CLAIMS-RICH 12.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: K. Hartwall OY AB (±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 Kyosan’s 32.9 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 12.0 pts (36%) Velocity 1.3 pts (4%) Breadth 12.2 pts (37%) Claim depth 7.4 pts (22%)

Qualcomm Incorporated · highest

85
Biotix · near

33
CardinalCommerce · near

33
Kyosan Denki · this assignee

33
SonicSensory · near

33
Cosmax · near

33
3D Lighting… · lowest

7

What this shows Kyosan's Innovation Score is 32.9/100 (43rd percentile 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 Kyosan?

Each dot is one of Kyosan’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). Kyosan’s own 12.3 claims/patent is at or below the 13.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kyosan's grants concentrate

Kyosan Denki Co., Ltd. is a focused PatentsView assignee: 12 CPC subclasses with 83.9% of grants classified under F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof). Peak complete grant year is 2018 (11 grants) versus a trough of 1 in 2022. By volume, Kyosan sits between K. Hartwall OY AB and Kuroda Precision Industries Ltd..

Kyosan's three-year grant acceleration

Kyosan Denki Co., Ltd. shows 2 grants in 2022–2024 against only 10 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

K Hartwall OY AB

31
Kardion

31
Keiper Seating Me…

31
Kinki University

31
Kent Displays

31
Kerr

31
Kindred Systems

31
Kuroda Precision…

31
Kyosan Denki ◀

31

What this shows Kyosan holds 31 patents at rank #10,079, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kyosan

By rank, the assignees closest to #10,079 in granted patent volume.

Leaders in F02M (Supplying Combustion Engines IN General With Combustible…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kyosan, neither rank-band nor same-CPC leaders (those blocks stay above). In F02M (Supplying Combustion Engines IN General With Combustible…), Kyosan ranks #61 of 574 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (33 here).

CardinalCommerce Corporation 33 Biotix, Inc. 33 SonicSensory, Inc. 33 Cosmax, Inc. 33

Kyosan's Innovation Score vs. every tracked assignee

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

33 43rd percentile higher than 43% 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

Kyosan Denki Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	6.5%
2016	3	9.7%
2017	2	6.5%
2018	11	35.5%
2019	2	6.5%
2020	3	9.7%
2021	5	16.1%
2022	1	3.2%
2024	1	3.2%
2025partial year	1	3.2%

Which technologies does Kyosan Denki Co., Ltd. patent most?

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 26

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply 16

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 13

Y10T - Technical Subjects Covered BY Former US Classification 9

B01D - Separation 5

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 2

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 1

G01F - Measuring Volume, Volume Flow, Mass Flow OR Liquid LEVEL; Metering BY Volume 1

B60W - Conjoint Control OF Vehicle Sub-units OF Different Type OR Different FUNCTION; Control Systems Specially Adapted FOR Hybrid VEHICLES; Road Vehicle Drive Control Systems FOR Purposes NOT Related TO THE Control OF A Particular Sub-unit 1

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 1

F02D - Controlling Combustion Engines 1

F24D - Domestic- OR Space-heating Systems, e.g. Central Heating SYSTEMS; Domestic Hot-water Supply SYSTEMS; Elements OR Components Therefor 1

Top 12 of 12 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

Kyosan Denki Co., Ltd.'s patent record in context - here's where to go next.

Kyosan Denki Co., Ltd.'s lead technology class is F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof), 83.9% of its portfolio - see every assignee active in that class. Explore F02M
Ranked #10,083 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kyosan Denki Co., Ltd. against K. Hartwall OY AB, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 32.9/100 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.