Where does Sumitomo Construction Machinery Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sumitomo Construction Machinery Co., Ltd. ranks #2,258 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 Sumitomo Construction Machinery Co., Ltd. hold?

Sumitomo Construction Machinery Co., Ltd. holds 174 US utility patents granted between 2015 and 2025, spanning 53 technology areas.

What is Sumitomo Construction Machinery Co., Ltd.'s Innovation Score?

Sumitomo Construction Machinery Co., Ltd. has an Innovation Score of 61.2 out of 100 (top 3% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Sumitomo Construction Machinery Co., Ltd. focus on?

Sumitomo Construction Machinery Co., Ltd.'s top technology area is E02F (DREDGING; Soil-shifting) with 167 patents, ranking #9 of 348 assignees active in that subclass. Grants appear in 53 CPC subclasses total.

Is Sumitomo Construction Machinery Co., Ltd.'s patent grant rate increasing or decreasing?

Sumitomo Construction Machinery Co., Ltd.'s recent grant velocity is +85% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Sumitomo Construction Machinery Co., Ltd.'s patents?

Sumitomo Construction Machinery Co., Ltd.'s patents average 12.6 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 Sumitomo Construction Machinery 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

Sumitomo Construction Machinery Co., Ltd.

USPTO PatentsView assignee record - 174 granted patents across 53 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: E02F (DREDGING; Soil-shifting).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sumitomo ranks #2,258 of 49,997 tracked US assignees by granted-patent volume, with 174 patents across 53 technology areas.

#2,258
of 49,997 US assignees by volume: Top 3%
by Innovation Score (61.2/100): 12.6
avg claims per patent: +85%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2258 · Foreign Corporation #2,258 · 174 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 174 grants
TOP-DECILE #2,258/49,997
PHOTO-FINISH NAN YA Plastics
CPC-WIDE E02F · 53 areas
INNOV-STRONG 61.2/100
CLAIMS-RICH 12.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +85% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: NAN YA Plastics 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 Sumitomo’s 61.2 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 17.8 pts (29%) Velocity 10.8 pts (18%) Breadth 25.0 pts (41%) Claim depth 7.5 pts (12%)

Qualcomm Incorporated · highest

85
The Board of… · near

61
Laitram L L C · near

61
Progress Rail Services · near

61
Roland · near

61
Sumitomo Constructio… · this assignee

61
3D Lighting… · lowest

7

What this shows Sumitomo's Innovation Score is 61.2/100 (top 3% 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 Sumitomo?

Each dot is one of Sumitomo’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). Sumitomo’s own 12.6 claims/patent is at or below the 15.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

How Sumitomo's grant cadence moved

Between 2020–2024, Sumitomo Construction Machinery Co., Ltd. received 100 grants versus 54 in 2015–2019 (+85% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 27 grants and bottomed in 2015 at 6. Lead class E02F accounts for 96% of the portfolio across 53 subclasses. Volume neighbours: NAN YA Plastics Corporation (#2,254) and Beckhoff Automation GmbH (#2,262).

Sumitomo's three-year grant acceleration

From 2019–2021 to 2022–2024, Sumitomo Construction Machinery Co., Ltd. moved from 42 to 68 grants (1.62x 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 #365. See the growth leaderboard.

NAN YA Plastics

174
Outotec (Finland)…

174
SIG Sauer

174
Stmicroelectronic…

174
Valeo Equipements…

174
Yahoo Japan

174
Sumitomo Construc… ◀

174
Bard Access Syste…

173
Beckhoff Automati…

173

What this shows Sumitomo holds 174 patents at rank #2,258, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sumitomo

By rank, the assignees closest to #2,258 in granted patent volume.

Leaders in E02F (Dredging)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Sumitomo, neither rank-band nor same-CPC leaders (those blocks stay above). In E02F (Dredging), Sumitomo ranks #9 of 348 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (61 here).

Roland Corporation 61 Laitram, L.L.C. 61 Progress Rail Services Corporation 61 The Board of Regents of the University of Oklahoma 61

Similar claim depth

Nearest assignees by average claims per patent (12.6 here).

NEW H3C Technologies Co., Ltd. 12.6 avg Atombeam Technologies Inc. 12.6 avg Macau University of Science and Technology 12.6 avg Pangu BioPharma Limited 12.6 avg

Sumitomo's Innovation Score vs. every tracked assignee

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

61 Top 3% higher than 97% 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

Sumitomo Construction Machinery Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	3.4%
2016	11	6.3%
2017	11	6.3%
2018	16	9.2%
2019	10	5.7%
2020	13	7.5%
2021	19	10.9%
2022	23	13.2%
2023	18	10.3%
2024	27	15.5%
2025partial year	20	11.5%

Which technologies does Sumitomo Construction Machinery Co., Ltd. patent most?

E02F - DREDGING; Soil-shifting 167

F15B - Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR 31

H04N - Pictorial Communication, e.g. Television 28

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 25

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 22

Y02T - Climate Change Mitigation Technologies Related TO Transportation 16

F02D - Controlling Combustion Engines 12

G07C - Time OR Attendance REGISTERS; Registering OR Indicating THE Working OF MACHINES; Generating Random NUMBERS; Voting OR Lottery APPARATUS; Arrangements, Systems OR Apparatus FOR Checking NOT Provided FOR Elsewhere 11

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 11

G06T - Image Data Processing OR Generation, IN General 11

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 10

G06V - Image OR Video Recognition OR Understanding 9

B60Y - Indexing Scheme Relating TO Aspects Cross-cutting Vehicle Technology 9

B66C - CRANES; Load-engaging Elements OR Devices FOR Cranes, Capstans, Winches, OR Tackles 8

G06F - Electric Digital Data Processing 7

Top 15 of 53 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

Sumitomo Construction Machinery Co., Ltd.'s patent record in context - here's where to go next.

Sumitomo Construction Machinery Co., Ltd.'s lead technology class is E02F (DREDGING; Soil-shifting), 96% of its portfolio - see every assignee active in that class. Explore E02F
Ranked #2,258 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sumitomo Construction Machinery Co., Ltd. against NAN YA Plastics Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 61.2/100 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.