Where does Sumitomo Heavy Industries, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sumitomo Heavy Industries, Ltd. ranks #829 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 Heavy Industries, Ltd. hold?

Sumitomo Heavy Industries, Ltd. holds 555 US utility patents granted between 2015 and 2025, spanning 140 technology areas.

What is Sumitomo Heavy Industries, Ltd.'s Innovation Score?

Sumitomo Heavy Industries, Ltd. has an Innovation Score of 63.7 out of 100 (top 2% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Sumitomo Heavy Industries, Ltd.'s patent grant rate increasing or decreasing?

Sumitomo Heavy Industries, Ltd.'s recent grant velocity is -9% 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 Sumitomo Heavy Industries, Ltd.'s patents?

Sumitomo Heavy Industries, 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 Sumitomo Heavy 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

Sumitomo Heavy Industries, Ltd.

Q: What technology areas does Sumitomo Heavy Industries, Ltd. focus on?

Sumitomo Heavy Industries, Ltd.'s top technology area is F25B (Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems) with 123 patents, ranking #11 of 704 assignees active in that subclass. Grants appear in 140 CPC subclasses total.

USPTO PatentsView assignee record - 555 granted patents across 140 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: F25B (Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sumitomo ranks #829 of 49,997 tracked US assignees by granted-patent volume, with 555 patents across 140 technology areas.

#829
of 49,997 US assignees by volume: Top 2%
by Innovation Score (63.7/100): 9.9
avg claims per patent: -9%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R829 · Foreign Corporation #829 · 555 grants

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

GRANTS-MID 555 grants
TOP-DECILE #829/49,997
PHOTO-FINISH Rolls-royce…
CPC-WIDE F25B · 140 areas
INNOV-STRONG 63.7/100
CLAIMS-PAR 9.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT -9% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Rolls-royce Deutschland Ltd & Co KG (±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 63.7 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 21.8 pts (34%) Velocity 10.9 pts (17%) Breadth 25.0 pts (39%) Claim depth 5.9 pts (9%)

Qualcomm Incorporated · highest

85
Caterpillar Paving… · near

64
Dana · near

64
Greatbatch · near

64
Sumitomo Heavy… · this assignee

64
Teradyne · near

64
3D Lighting… · lowest

7

What this shows Sumitomo's Innovation Score is 63.7/100 (top 2% 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 9.9 claims/patent is at or below the 14.6 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 Heavy Industries, Ltd. received 246 grants versus 270 in 2015–2019 (-9% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2015 at 67 grants and bottomed in 2020 at 27. Lead class F25B accounts for 22.2% of the portfolio across 140 subclasses. Volume neighbours: Asahi Kasei Kabushiki Kaisha (#825) and Gree Holdings, Inc. (#833).

Sumitomo's three-year grant acceleration

From 2019–2021 to 2022–2024, Sumitomo Heavy Industries, Ltd. moved from 111 to 182 grants (1.64x 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 #352. See the growth leaderboard.

Asahi Kasei

557
Parsons Xtreme Go…

556
Rolls-royce Deuts…

555
Stmicroelectronic…

555
Wuhan Tianma Micr…

555
Sumitomo Heavy In… ◀

555
Walters Gardens

554
Lapis Semiconduct…

552
Gree Holdings

549

What this shows Sumitomo holds 555 patents at rank #829, 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 #829 in granted patent volume.

Leaders in F25B (Refrigeration Machines)

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 F25B (Refrigeration Machines), Sumitomo ranks #11 of 704 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (64 here).

Greatbatch Ltd. 64 Teradyne, Inc. 64 Dana Limited 64 Caterpillar Paving Products Inc. 64

Similar claim depth

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

Chroma ATE Inc. 9.9 avg Dongguan University of Technology 9.9 avg Japan Aerospace Exploration Agency 9.9 avg Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. 9.9 avg

Sumitomo's Innovation Score vs. every tracked assignee

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

64 Top 2% higher than 98% 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 Heavy Industries, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	67	12.1%
2016	52	9.4%
2017	51	9.2%
2018	53	9.5%
2019	47	8.5%
2020	27	4.9%
2021	37	6.7%
2022	64	11.5%
2023	62	11.2%
2024	56	10.1%
2025partial year	39	7.0%

Which technologies does Sumitomo Heavy Industries, Ltd. patent most?

F25B - Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems 123

E02F - DREDGING; Soil-shifting 122

F16H - Gearing 59

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 58

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 37

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 29

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 29

Y02T - Climate Change Mitigation Technologies Related TO Transportation 24

H04N - Pictorial Communication, e.g. Television 24

H05H - Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams 24

H02K - Dynamo-electric Machines 22

B01D - Separation 22

F15B - Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR 22

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 20

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 19

Top 15 of 140 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 Heavy Industries, Ltd.'s patent record in context - here's where to go next.

Sumitomo Heavy Industries, Ltd.'s lead technology class is F25B (Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems), 22.2% of its portfolio - see every assignee active in that class. Explore F25B
Ranked #829 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sumitomo Heavy Industries, Ltd. against Asahi Kasei Kabushiki Kaisha, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 63.7/100 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.