Where does Sumitomo Chemical Company, Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sumitomo Chemical Company, Limited ranks #233 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 Chemical Company, Limited hold?

Sumitomo Chemical Company, Limited holds 1,758 US utility patents granted between 2015 and 2025, spanning 176 technology areas.

What is Sumitomo Chemical Company, Limited's Innovation Score?

Sumitomo Chemical Company, Limited has an Innovation Score of 61.4 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%).

Is Sumitomo Chemical Company, Limited's patent grant rate increasing or decreasing?

Sumitomo Chemical Company, Limited's recent grant velocity is -23% 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 Chemical Company, Limited's patents?

Sumitomo Chemical Company, Limited's patents average 10.1 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 Chemical Company, Limited 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 Chemical Company, Limited

Q: What technology areas does Sumitomo Chemical Company, Limited focus on?

Sumitomo Chemical Company, Limited's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 323 patents. Grants appear in 176 CPC subclasses total.

USPTO PatentsView assignee record - 1,758 granted patents across 176 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sumitomo ranks #233 of 49,997 tracked US assignees by granted-patent volume, with 1,758 patents across 176 technology areas.

#233
of 49,997 US assignees by volume: Top 3%
by Innovation Score (61.4/100): 10.1
avg claims per patent: -23%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R233 · Foreign Corporation #233 · 1,758 grants

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

GRANTS-LARGE 1.8K grants
TOP-DECILE #233/49,997
PHOTO-FINISH Carrier
CPC-WIDE Y02E · 176 areas
INNOV-STRONG 61.4/100
CLAIMS-PAR 10.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -23% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Carrier Corporation (±2 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
IFP Energies Nouvelles · near

61
Nchain Licensing · near

61
Sumitomo Chemical · this assignee

61
Gulfstream Aerospace · near

61
The Penn State… · near

61
3D Lighting… · lowest

7

What this shows Sumitomo's Innovation Score is 61.4/100 (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.

How Sumitomo's grant cadence moved

Between 2020–2024, Sumitomo Chemical Company, Limited received 738 grants versus 956 in 2015–2019 (-23% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2017 at 213 grants and bottomed in 2024 at 112. Lead class Y02E accounts for 18.4% of the portfolio across 176 subclasses. Volume neighbours: Tencent America LLC (#229) and Signify Holding B.V. (#237).

Sumitomo's three-year grant acceleration

From 2019–2021 to 2022–2024, Sumitomo Chemical Company, Limited moved from 555 to 377 grants (0.68x 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 #2,212. See the growth leaderboard.

Tencent America

1,774
Novartis

1,768
Autonetworks

1,766
Arris Enterprises

1,761
Sumitomo Chemical ◀

1,758
Carrier

1,756
ZF Friedrichshafen

1,756
Continental Autom…

1,748
Signify Holding B…

1,748

What this shows Sumitomo holds 1,758 patents at rank #233, 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 #233 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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).

Similar innovation score

Nearest assignees by Innovation Score (61 here).

IFP Energies Nouvelles 61 Nchain Licensing AG 61 The Penn State Research Foundation 61 Gulfstream Aerospace Corporation 61

Similar claim depth

Nearest assignees by average claims per patent (10.1 here).

State Grid Corporation of China 10.1 avg Mizuno Corporation 10.1 avg Mayekawa MFG. Co., Ltd. 10.1 avg National Chi Nan University 10.1 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 Chemical Company, Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	190	10.8%
2016	178	10.1%
2017	213	12.1%
2018	181	10.3%
2019	194	11.0%
2020	188	10.7%
2021	173	9.8%
2022	128	7.3%
2023	137	7.8%
2024	112	6.4%
2025partial year	64	3.6%

Which technologies does Sumitomo Chemical Company, Limited patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 323

A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR Parts Thereof ; Biocides, e.g. AS Disinfectants, AS Pesticides OR AS Herbicides ; Pest Repellants OR ATTRACTANTS; Plant Growth Regulators 306

H10K - Organic Electric Solid-state Devices 296

C07D - Heterocyclic Compounds 272

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 244

C08L - Compositions OF Macromolecular Compounds 240

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 222

C07C - Acyclic OR Carbocyclic Compounds 195

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 192

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 184

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 163

G03F - Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR; 145

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 128

G02B - Optical Elements, Systems OR Apparatus 108

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 106

Top 15 of 176 technology areas

Where it ranks

Overall rank by patents

#233

of 49,997 tracked assignees

Innovation Score

61.4 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

Sumitomo Chemical Company, Limited's patent record in context - here's where to go next.

Sumitomo Chemical Company, Limited's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 18.4% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #233 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sumitomo Chemical Company, Limited against Tencent America LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 61.4/100 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.