Where does Sekisui Chemical Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sekisui Chemical Co., Ltd. ranks #813 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 Sekisui Chemical Co., Ltd. hold?

Sekisui Chemical Co., Ltd. holds 565 US utility patents granted between 2015 and 2025, spanning 154 technology areas.

What is Sekisui Chemical Co., Ltd.'s Innovation Score?

Sekisui Chemical Co., Ltd. has an Innovation Score of 60.2 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 Sekisui Chemical Co., Ltd. focus on?

Sekisui Chemical Co., Ltd.'s top technology area is B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form) with 231 patents, ranking #15 of 3,088 assignees active in that subclass. Grants appear in 154 CPC subclasses total.

Is Sekisui Chemical Co., Ltd.'s patent grant rate increasing or decreasing?

Sekisui Chemical Co., Ltd.'s recent grant velocity is +68% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Sekisui Chemical Co., Ltd.'s patents?

Sekisui Chemical Co., Ltd.'s patents average 11.0 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 Sekisui Chemical 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

Sekisui Chemical Co., Ltd.

USPTO PatentsView assignee record - 565 granted patents across 154 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: B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sekisui ranks #813 of 49,997 tracked US assignees by granted-patent volume, with 565 patents across 154 technology areas.

#813
of 49,997 US assignees by volume: Top 3%
by Innovation Score (60.2/100): 11.0
avg claims per patent: +68%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R813 · Foreign Corporation #813 · 565 grants

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

GRANTS-MID 565 grants
TOP-DECILE #813/49,997
PHOTO-FINISH Polaris Industries
CPC-WIDE B32B · 154 areas
INNOV-STRONG 60.2/100
CLAIMS-PAR 11.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +68% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Polaris Industries Inc. (±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.

How Sekisui’s 60.2 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 21.9 pts (36%) Velocity 6.7 pts (11%) Breadth 25.0 pts (42%) Claim depth 6.6 pts (11%)

Qualcomm Incorporated · highest

85
Marvell World Trade · near

60
Lotte Chemical · near

60
Sekisui Chemical · this assignee

60
TGW Logistics · near

60
The Board of… · near

60
3D Lighting… · lowest

7

What this shows Sekisui's Innovation Score is 60.2/100 (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 Sekisui?

Each dot is one of Sekisui’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). Sekisui’s own 11.0 claims/patent is at or below the 15.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

How Sekisui's grant cadence moved

Between 2020–2024, Sekisui Chemical Co., Ltd. received 325 grants versus 193 in 2015–2019 (+68% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2022 at 77 grants and bottomed in 2015 at 27. Lead class B32B accounts for 40.9% of the portfolio across 154 subclasses. Volume neighbours: The Cleveland Clinic Foundation (#809) and Gilead Sciences, Inc. (#817).

Sekisui's three-year grant acceleration

From 2019–2021 to 2022–2024, Sekisui Chemical Co., Ltd. moved from 191 to 193 grants (1.01x 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 #1,156. See the growth leaderboard.

The Cleveland Cli…

570
Wonderland Switze…

570
Hill-rom Services

569
Tetra Laval Holdi…

568
Sekisui Chemical ◀

565
Polaris Industries

563
Under Armour

563
Arts

561
Gilead Sciences

561

What this shows Sekisui holds 565 patents at rank #813, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sekisui

By rank, the assignees closest to #813 in granted patent volume.

Leaders in B32B (Layered Products)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Sekisui, neither rank-band nor same-CPC leaders (those blocks stay above). In B32B (Layered Products), Sekisui ranks #15 of 3,088 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (60 here).

The Board of Trustees of The University of Alabama 60 Lotte Chemical Corporation 60 TGW Logistics GmbH 60 Marvell World Trade Ltd. 60

Similar claim depth

Nearest assignees by average claims per patent (11.0 here).

Molex, LLC 11.0 avg Ajou University Industry-academic Cooperation 11.0 avg Qing Ding Precision Electronics (HUAIAN) Co., Ltd 11.0 avg Kyushu Institute OF Technology 11.0 avg

Sekisui's Innovation Score vs. every tracked assignee

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

60 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

Sekisui Chemical Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	27	4.8%
2016	34	6.0%
2017	35	6.2%
2018	38	6.7%
2019	59	10.4%
2020	69	12.2%
2021	63	11.2%
2022	77	13.6%
2023	56	9.9%
2024	60	10.6%
2025partial year	47	8.3%

Which technologies does Sekisui Chemical Co., Ltd. patent most?

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 231

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 151

C08L - Compositions OF Macromolecular Compounds 124

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 116

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 86

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 73

Y10T - Technical Subjects Covered BY Former US Classification 62

B60J - Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles 50

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 50

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 49

G02B - Optical Elements, Systems OR Apparatus 49

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 47

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 46

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 39

H01L - Semiconductor Devices NOT Covered BY Class H10 36

Top 15 of 154 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

Sekisui Chemical Co., Ltd.'s patent record in context - here's where to go next.

Sekisui Chemical Co., Ltd.'s lead technology class is B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form), 40.9% of its portfolio - see every assignee active in that class. Explore B32B
Ranked #813 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sekisui Chemical Co., Ltd. against The Cleveland Clinic Foundation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 60.2/100 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.