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

According to USPTO PatentsView (2015–2025 granted utility patents), Sekisui Medical Co., Ltd. ranks #3,313 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 Medical Co., Ltd. hold?

Sekisui Medical Co., Ltd. holds 113 US utility patents granted between 2015 and 2025, spanning 35 technology areas.

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

Sekisui Medical Co., Ltd. has an Innovation Score of 47.0 out of 100 (top 20% 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 Medical Co., Ltd. focus on?

Sekisui Medical Co., Ltd.'s top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 82 patents, ranking #180 of 7,863 assignees active in that subclass. Grants appear in 35 CPC subclasses total.

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

Sekisui Medical Co., Ltd.'s recent grant velocity is -48% 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 Sekisui Medical Co., Ltd.'s patents?

Sekisui Medical Co., Ltd.'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 Sekisui Medical 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 Medical Co., Ltd.

USPTO PatentsView assignee record - 113 granted patents across 35 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sekisui ranks #3,313 of 49,997 tracked US assignees by granted-patent volume, with 113 patents across 35 technology areas.

#3,313
of 49,997 US assignees by volume: Top 20%
by Innovation Score (47.0/100): 10.1
avg claims per patent: -48%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3313 · Foreign Corporation #3,313 · 113 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MID 113 grants
TOP-DECILE #3,313/49,997
PHOTO-FINISH Mikuni
CPC-FOCUS G01N · 35 areas
INNOV-PAR 47.0/100
CLAIMS-PAR 10.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -48% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Mikuni 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 Sekisui’s 47.0 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 16.4 pts (35%) Velocity 3.7 pts (8%) Breadth 20.9 pts (44%) Claim depth 6.0 pts (13%)

Qualcomm Incorporated · highest

85
D2L · near

47
Kosmek · near

47
Super Micro Computer · near

47
HK INNO N · near

47
Sekisui Medical · this assignee

47
3D Lighting… · lowest

7

What this shows Sekisui's Innovation Score is 47.0/100 (top 20% 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 10.1 claims/patent is ABOVE the 9.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Sekisui's grants concentrate

Sekisui Medical Co., Ltd. is a focused PatentsView assignee: 35 CPC subclasses with 72.6% of grants classified under G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties). Peak complete grant year is 2018 (16 grants) versus a trough of 4 in 2024. By volume, Sekisui sits between Mikuni Corporation and Xiamen Lota International Co., Ltd..

Sekisui's three-year grant acceleration

From 2019–2021 to 2022–2024, Sekisui Medical Co., Ltd. moved from 31 to 17 grants (0.55x 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 #2,576. See the growth leaderboard.

Mikuni

113
Panasonic I-pro S…

113
Pass & Seymour

113
Rothy's

113
Savannah River Nu…

113
Senseonics Incorp…

113
Shenzhen Intellir…

113
Xiamen Lota Inter…

113
Sekisui Medical ◀

113

What this shows Sekisui holds 113 patents at rank #3,312, 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 #3,312 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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 G01N (Investigating OR Analysing Materials BY Determining Their…), Sekisui ranks #180 of 7,863 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (47 here).

HK INNO.N Corporation 47 Super Micro Computer, Inc. 47 D2L Corporation 47 Kosmek Ltd. 47

Similar claim depth

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

Self Electronics Co., Ltd. 10.1 avg National University Corporation Kumamoto University 10.1 avg Bridgeport Fittings, LLC 10.1 avg Swedish Match North Europe AB 10.1 avg

Sekisui's Innovation Score vs. every tracked assignee

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

47 Top 20% higher than 80% 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 Medical Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	13	11.5%
2016	13	11.5%
2017	12	10.6%
2018	16	14.2%
2019	13	11.5%
2020	12	10.6%
2021	6	5.3%
2022	6	5.3%
2023	7	6.2%
2024	4	3.5%
2025partial year	11	9.7%

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

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 82

C07K - Peptides 16

C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes 16

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 15

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 9

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 7

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 7

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 7

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 6

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 5

C08L - Compositions OF Macromolecular Compounds 5

B01D - Separation 5

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 4

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 4

A61B - DIAGNOSIS; SURGERY; Identification 4

Top 15 of 35 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 Medical Co., Ltd.'s patent record in context - here's where to go next.

Sekisui Medical Co., Ltd.'s lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 72.6% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #3,313 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sekisui Medical Co., Ltd. against Mikuni Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 47.0/100 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.