Where does Koito Electric Industries, Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Koito Electric Industries, Ltd ranks #14,099 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 Koito Electric Industries, Ltd hold?

Koito Electric Industries, Ltd holds 21 US utility patents granted between 2019 and 2025, spanning 21 technology areas.

What is Koito Electric Industries, Ltd's Innovation Score?

Koito Electric Industries, Ltd has an Innovation Score of 43.1 out of 100 (top 29% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Koito Electric Industries, Ltd focus on?

Koito Electric Industries, Ltd's top technology area is B61D (Body Details OR Kinds OF Railway Vehicles) with 13 patents, ranking #12 of 155 assignees active in that subclass. Grants appear in 21 CPC subclasses total.

Is Koito Electric Industries, Ltd's patent grant rate increasing or decreasing?

Koito Electric Industries, Ltd's recent grant velocity is +800% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Koito Electric Industries, Ltd's patents?

Koito Electric Industries, Ltd's patents average 6.3 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 Koito Electric Industries, 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

Koito Electric Industries, Ltd

USPTO PatentsView assignee record - 21 granted patents across 21 technology areas, recorded in grant years 2019–2025. 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: B61D (Body Details OR Kinds OF Railway Vehicles).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Koito ranks #14,099 of 49,997 tracked US assignees by granted-patent volume, with 21 patents across 21 technology areas.

#14,099
of 49,997 US assignees by volume: Top 29%
by Innovation Score (43.1/100): 6.3
avg claims per patent: +800%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R14099 · Foreign Corporation #14,099 · 21 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 21 grants
MID-PACK #14,099/49,997
PHOTO-FINISH Juka Innovations
CPC-FOCUS B61D · 21 areas
INNOV-PAR 43.1/100
CLAIMS-SPARSE 6.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +800% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Juka Innovations 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 Koito’s 43.1 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 10.7 pts (25%) Velocity 12.4 pts (29%) Breadth 16.2 pts (38%) Claim depth 3.8 pts (9%)

Qualcomm Incorporated · highest

85
Koito Electric… · this assignee

43
3D Lighting… · lowest

7

What this shows Koito's Innovation Score is 43.1/100 (top 29% 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 Koito?

Each dot is one of Koito’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). Koito’s own 6.3 claims/patent is at or below the 11.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Koito's grants concentrate

Koito Electric Industries, Ltd is a focused PatentsView assignee: 21 CPC subclasses with 61.9% of grants classified under B61D (Body Details OR Kinds OF Railway Vehicles). Peak complete grant year is 2023 (7 grants) versus a trough of 1 in 2022. By volume, Koito sits between Juka Innovations Corporation and Karus Therapeutics Limited.

Koito's three-year grant acceleration

Koito Electric Industries, Ltd shows 13 grants in 2022–2024 against only 7 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.

Juka Innovations

21
KC Holdings I

21
Kholle Magnolia 2…

21
Kimpex

21
Koken

21
Korea Airports

21
Korea Institute O…

21
Karus Therapeutics

21
Koito Electric In… ◀

21

What this shows Koito holds 21 patents at rank #14,091, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Koito

By rank, the assignees closest to #14,091 in granted patent volume.

Leaders in B61D (Body Details OR Kinds OF Railway Vehicles)

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

Koito's Innovation Score vs. every tracked assignee

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

43 Top 29% higher than 71% 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 · 2019–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2019–2019 baseline. Full figures in the table below.

View data table

Koito Electric Industries, Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	2	9.5%
2020	2	9.5%
2021	3	14.3%
2022	1	4.8%
2023	7	33.3%
2024	5	23.8%
2025partial year	1	4.8%

Which technologies does Koito Electric Industries, Ltd patent most?

B61D - Body Details OR Kinds OF Railway Vehicles 13

B60N - Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR 7

A47C - CHAIRS; SOFAS; Beds 6

B60Q - Arrangement OF Signalling OR Lighting Devices, THE Mounting OR Supporting Thereof OR Circuits Therefor, FOR Vehicles IN General 5

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 5

G08G - Traffic Control Systems 4

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 4

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 4

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 4

G02B - Optical Elements, Systems OR Apparatus 3

B60L - Propulsion OF Electrically-propelled Vehicles ; Supplying Electric Power FOR Auxiliary Equipment OF Electrically-propelled Vehicles ; Electrodynamic Brake Systems FOR Vehicles IN General ; Magnetic Suspension OR Levitation FOR VEHICLES; Monitoring Operating Variables OF Electrically-propelled Vehicl 2

H04B - Transmission 1

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 1

H03K - Pulse Technique 1

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 1

Top 15 of 21 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

Koito Electric Industries, Ltd's patent record in context - here's where to go next.

Koito Electric Industries, Ltd's lead technology class is B61D (Body Details OR Kinds OF Railway Vehicles), 61.9% of its portfolio - see every assignee active in that class. Explore B61D
Ranked #14,099 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Koito Electric Industries, Ltd against Juka Innovations Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.1/100 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.