Where does Hitachi Rail STS S.P.A. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hitachi Rail STS S.P.A. ranks #28,983 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 Hitachi Rail STS S.P.A. hold?

Hitachi Rail STS S.P.A. holds 9 US utility patents granted between 2022 and 2025, spanning 14 technology areas.

What is Hitachi Rail STS S.P.A.'s Innovation Score?

Hitachi Rail STS S.P.A. has an Innovation Score of 48.0 out of 100 (top 17% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Hitachi Rail STS S.P.A. focus on?

Hitachi Rail STS S.P.A.'s top technology area is B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic) with 7 patents, ranking #47 of 195 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

Is Hitachi Rail STS S.P.A.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Hitachi Rail STS S.P.A..

What does claim depth mean for Hitachi Rail STS S.P.A.'s patents?

Hitachi Rail STS S.P.A.'s patents average 11.3 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 Hitachi Rail STS S.P.A. 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

Hitachi Rail STS S.P.A.

USPTO PatentsView assignee record - 9 granted patents across 14 technology areas, recorded in grant years 2022–2025. 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: B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hitachi ranks #28,983 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 14 technology areas.

#28,983
of 49,997 US assignees by volume: Top 17%
by Innovation Score (48.0/100): 11.3
avg claims per patent

USPTO PatentsView assignee plate

Corpus R28983 · Foreign Corporation #28,983 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 9 grants
MID-PACK #28,983/49,997
PHOTO-FINISH Hisep Technology
CPC-FOCUS B61L · 14 areas
INNOV-PAR 48.0/100
CLAIMS-PAR 11.3 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2022–2025 · 4y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Hisep Technology Ltd. (±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 Hitachi’s 48.0 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 8.0 pts (17%) Velocity 20.0 pts (42%) Breadth 13.2 pts (27%) Claim depth 6.8 pts (14%)

Qualcomm Incorporated · highest

85
Hitachi Rail STS S P A · this assignee

48
3D Lighting… · lowest

7

What this shows Hitachi's Innovation Score is 48.0/100 (top 17% 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 Hitachi?

Each dot is one of Hitachi’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). Hitachi’s own 11.3 claims/patent is at or below the 12.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hitachi's grants concentrate

Hitachi Rail STS S.P.A. is a focused PatentsView assignee: 14 CPC subclasses with 77.8% of grants classified under B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic). Peak complete grant year is 2023 (3 grants) versus a trough of 2 in 2022. By volume, Hitachi sits between Hisep Technology Ltd. and Hong International Corporation.

Hitachi's three-year grant acceleration

Hitachi Rail STS S.P.A. shows 7 grants in 2022–2024 against only 0 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.

Hisep Technology

9
Histologics

9
Hitachi Automotiv…

9
Hitachi Chemical…

9
HK Marketing LC

9
HMS MFG

9
Hobot Technology

9
Hong International

9
Hitachi Rail STS… ◀

9

What this shows Hitachi holds 9 patents at rank #28,944, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hitachi

By rank, the assignees closest to #28,944 in granted patent volume.

Leaders in B61L (Guiding Railway Traffic)

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

Hitachi's Innovation Score vs. every tracked assignee

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

48 Top 17% higher than 83% 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 · 2022–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2022–2019 baseline. Full figures in the table below.

View data table

Hitachi Rail STS S.P.A. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2022	2	22.2%
2023	3	33.3%
2024	2	22.2%
2025partial year	2	22.2%

Which technologies does Hitachi Rail STS S.P.A. patent most?

B61L - Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic 7

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

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 2

Y02T - Climate Change Mitigation Technologies Related TO Transportation 1

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

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 1

B61C - LOCOMOTIVES; Motor Railcars 1

G06F - Electric Digital Data Processing 1

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 1

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 1

G08G - Traffic Control Systems 1

B60M - Power Supply Lines, AND Devices Along Rails, FOR Electrically- Propelled Vehicles 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

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 1

Top 14 of 14 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

Hitachi Rail STS S.P.A.'s patent record in context - here's where to go next.

Hitachi Rail STS S.P.A.'s lead technology class is B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic), 77.8% of its portfolio - see every assignee active in that class. Explore B61L
Ranked #28,983 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hitachi Rail STS S.P.A. against Hisep Technology Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 48.0/100 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.