Where does Kuraray Kuraflex Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kuraray Kuraflex Co., Ltd. ranks #48,245 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 Kuraray Kuraflex Co., Ltd. hold?

Kuraray Kuraflex Co., Ltd. holds 5 US utility patents granted between 2015 and 2021, spanning 16 technology areas.

What is Kuraray Kuraflex Co., Ltd.'s Innovation Score?

Kuraray Kuraflex Co., Ltd. has an Innovation Score of 29.3 out of 100 (30th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Kuraray Kuraflex Co., Ltd. focus on?

Kuraray Kuraflex Co., Ltd.'s top technology area is A61Q (Specific USE OF Cosmetics OR Similar Toiletry Preparations) with 3 patents, ranking #361 of 1,001 assignees active in that subclass. Grants appear in 16 CPC subclasses total.

Is Kuraray Kuraflex Co., Ltd.'s patent grant rate increasing or decreasing?

Kuraray Kuraflex Co., Ltd.'s recent grant velocity is -75% 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 Kuraray Kuraflex Co., Ltd.'s patents?

Kuraray Kuraflex Co., Ltd.'s patents average 15.0 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 Kuraray Kuraflex 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

Kuraray Kuraflex Co., Ltd.

USPTO PatentsView assignee record - 5 granted patents across 16 technology areas, recorded in grant years 2015–2021. 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: A61Q (Specific USE OF Cosmetics OR Similar Toiletry Preparations).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kuraray ranks #48,245 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 16 technology areas.

#48,245
of 49,997 US assignees by volume: 30th percentile
by Innovation Score (29.3/100): 15.0
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R48245 · Foreign Corporation #48,245 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #48,245/49,997
PHOTO-FINISH Kuka Laboratories
CPC-FOCUS A61Q · 16 areas
INNOV-THIN 29.3/100
CLAIMS-RICH 15.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kuka Laboratories GmbH (±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 Kuraray’s 29.3 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 6.2 pts (21%) Velocity 0.0 pts (0%) Breadth 14.1 pts (48%) Claim depth 9.0 pts (31%)

Qualcomm Incorporated · highest

85
Kuraray Kuraflex · this assignee

29
3D Lighting… · lowest

7

What this shows Kuraray's Innovation Score is 29.3/100 (30th percentile 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 Kuraray?

Each dot is one of Kuraray’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). Kuraray’s own 15.0 claims/patent is ABOVE the 14.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Kuraray's grants concentrate

Kuraray Kuraflex Co., Ltd. is a focused PatentsView assignee: 16 CPC subclasses with 60% of grants classified under A61Q (Specific USE OF Cosmetics OR Similar Toiletry Preparations). Peak complete grant year is 2018 (2 grants) versus a trough of 1 in 2015. By volume, Kuraray sits between Kuka Laboratories GmbH and KVI LLC.

Kuka Laboratories

5
Kukdong Jeyen

5
Kulr Technology

5
Kumonos

5
Kuros Biosurgery

5
Kurosawa Construc…

5
Kurray

5
KVI

5
Kuraray Kuraflex ◀

5

What this shows Kuraray holds 5 patents at rank #48,157, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kuraray

By rank, the assignees closest to #48,157 in granted patent volume.

Leaders in A61Q (Specific USE OF Cosmetics OR Similar Toiletry Preparations)

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

Kuraray's Innovation Score vs. every tracked assignee

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

29 30th percentile higher than 30% 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 · 2015–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Kuraray Kuraflex Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	20.0%
2018	2	40.0%
2019	1	20.0%
2021	1	20.0%

Which technologies does Kuraray Kuraflex Co., Ltd. patent most?

A61Q - Specific USE OF Cosmetics OR Similar Toiletry Preparations 3

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 3

D04H - Making Textile Fabrics, e.g. From Fibres OR Filamentary Material ; Fabrics Made BY Such Processes OR Apparatus, e.g. Felts, Non-woven FABRICS; COTTON-WOOL; Wadding ; ; Non-woven Fabrics From Staple Fibres, Filaments OR Yarns, Bonded With AT Least ONE Web-like Material During Their Consolidation 3

D06M - Treatment, NOT Provided FOR Elsewhere IN Class D06, OF Fibres, Threads, Yarns, Fabrics, Feathers OR Fibrous Goods Made From Such Materials 2

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 2

Y10T - Technical Subjects Covered BY Former US Classification 2

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 1

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General 1

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 1

C11D - Detergent COMPOSITIONS; USE OF Single Substances AS DETERGENTS; Soap OR SOAP-MAKING; Resin SOAPS; Recovery OF Glycerol 1

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 1

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 1

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 1

A45D - Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring 1

D10B - Indexing Scheme Associated With Sublasses OF Section D, Relating TO Textiles 1

Top 15 of 16 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

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

Kuraray Kuraflex Co., Ltd.'s lead technology class is A61Q (Specific USE OF Cosmetics OR Similar Toiletry Preparations), 60% of its portfolio - see every assignee active in that class. Explore A61Q
Ranked #48,245 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kuraray Kuraflex Co., Ltd. against Kuka Laboratories GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.3/100 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.