Where does Hitachi Astemo, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hitachi Astemo, Ltd. ranks #385 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 Astemo, Ltd. hold?

Hitachi Astemo, Ltd. holds 1,145 US utility patents granted between 2021 and 2025, spanning 143 technology areas.

What is Hitachi Astemo, Ltd.'s Innovation Score?

Hitachi Astemo, Ltd. has an Innovation Score of 75.3 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hitachi Astemo, Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Hitachi Astemo, Ltd..

What does claim depth mean for Hitachi Astemo, Ltd.'s patents?

Hitachi Astemo, Ltd.'s patents average 9.9 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 Astemo, 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

Hitachi Astemo, Ltd.

Q: What technology areas does Hitachi Astemo, Ltd. focus on?

Hitachi Astemo, Ltd.'s top technology area is 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) with 223 patents. Grants appear in 143 CPC subclasses total.

USPTO PatentsView assignee record - 1,145 granted patents across 143 technology areas, recorded in grant years 2021–2025. 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: 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).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hitachi ranks #385 of 49,997 tracked US assignees by granted-patent volume, with 1,145 patents across 143 technology areas.

#385
of 49,997 US assignees by volume: Top 1%
by Innovation Score (75.3/100): 9.9
avg claims per patent

USPTO PatentsView assignee plate

Corpus R385 · Foreign Corporation #385 · 1,145 grants

GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-LARGE 1.1K grants
TOP-DECILE #385/49,997
PHOTO-FINISH Ciena
CPC-WIDE B60W · 143 areas
INNOV-STRONG 75.3/100
CLAIMS-PAR 9.9 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Ciena Corporation (±3 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.

Qualcomm Incorporated · highest

85
Canon · near

76
Stryker European… · near

75
Wells Fargo Bank N A · near

75
Hitachi Astemo · this assignee

75
Nanya Technology · near

75
3D Lighting… · lowest

7

What this shows Hitachi's Innovation Score is 75.3/100 (top 1% 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.

How Hitachi's grant cadence moved

Grant history spans 2021–2025. Across complete PatentsView years, output peaked in 2024 at 356 grants and bottomed in 2021 at 49. Lead class B60W accounts for 19.5% of the portfolio across 143 subclasses. Volume neighbours: The United States of America as represented by the Secretary of the Army (#381) and Aisin Seiki Kabushiki Kaisha (#389).

Hitachi's three-year grant acceleration

From 2019–2021 to 2022–2024, Hitachi Astemo, Ltd. moved from 49 to 871 grants (18x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #3. See the growth leaderboard.

The United States…

1,151
Cypress Semicondu…

1,149
Ciena

1,148
Jvckenwood

1,148
Hitachi Astemo ◀

1,145
Osram Opto Semico…

1,141
Northrop Grumman…

1,140
Cadence Design Sy…

1,138
Aisin Seiki

1,137

What this shows Hitachi holds 1,145 patents at rank #385, 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 #385 in granted patent volume.

Leaders in B60W (Conjoint Control OF Vehicle Sub-units OF Different Type O…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Hitachi, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (75 here).

Wells Fargo Bank, N.A. 75 Stryker European Operations Limited 75 Nanya Technology Corporation 75 Canon Kabushiki Kaisha 76

Similar claim depth

Nearest assignees by average claims per patent (9.9 here).

Starbucks Corporation 9.9 avg ISP Investments LLC 9.9 avg Nippon Telegraph AND Telephone Corporation 9.9 avg PepsiCo, Inc. 9.9 avg

Hitachi's Innovation Score vs. every tracked assignee

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

75 Top 1% higher than 99% 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Hitachi Astemo, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	49	4.3%
2022	330	28.8%
2023	185	16.2%
2024	356	31.1%
2025partial year	225	19.7%

Which technologies does Hitachi Astemo, Ltd. patent most?

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 223

B62D - Motor VEHICLES; Trailers 164

Y02T - Climate Change Mitigation Technologies Related TO Transportation 126

F02D - Controlling Combustion Engines 115

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 103

B60G - Vehicle Suspension Arrangements 103

H02K - Dynamo-electric Machines 102

G08G - Traffic Control Systems 102

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 101

B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted Movement OF VEHICLES; Vehicle Modifications TO Facilitate Cooling OF Brakes 96

G06F - Electric Digital Data Processing 93

H02P - Control OR Regulation OF Electric Motors, Electric Generators OR Dynamo-electric CONVERTERS; Controlling Transformers, Reactors OR Choke Coils 90

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 85

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 73

G06V - Image OR Video Recognition OR Understanding 70

Top 15 of 143 technology areas

Where it ranks

Overall rank by patents

#385

of 49,997 tracked assignees

Innovation Score

75.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Hitachi Astemo, Ltd.'s patent record in context - here's where to go next.

Hitachi Astemo, Ltd.'s lead technology class is 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), 19.5% of its portfolio - see every assignee active in that class. Explore B60W
Ranked #385 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hitachi Astemo, Ltd. against The United States of America as represented by the Secretary of the Army, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 75.3/100 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.