Where does Asahi Kasei Kabushiki Kaisha rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Asahi Kasei Kabushiki Kaisha ranks #825 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 Asahi Kasei Kabushiki Kaisha hold?

Asahi Kasei Kabushiki Kaisha holds 557 US utility patents granted between 2015 and 2025, spanning 183 technology areas.

What is Asahi Kasei Kabushiki Kaisha's Innovation Score?

Asahi Kasei Kabushiki Kaisha has an Innovation Score of 60.9 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 Asahi Kasei Kabushiki Kaisha focus on?

Asahi Kasei Kabushiki Kaisha's top technology area is C08L (Compositions OF Macromolecular Compounds) with 135 patents, ranking #31 of 2,352 assignees active in that subclass. Grants appear in 183 CPC subclasses total.

Is Asahi Kasei Kabushiki Kaisha's patent grant rate increasing or decreasing?

Asahi Kasei Kabushiki Kaisha's recent grant velocity is +121% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Asahi Kasei Kabushiki Kaisha's patents?

Asahi Kasei Kabushiki Kaisha's patents average 14.6 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 Asahi Kasei Kabushiki Kaisha 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

Asahi Kasei Kabushiki Kaisha

USPTO PatentsView assignee record - 557 granted patents across 183 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: C08L (Compositions OF Macromolecular Compounds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Asahi ranks #825 of 49,997 tracked US assignees by granted-patent volume, with 557 patents across 183 technology areas.

#825
of 49,997 US assignees by volume: Top 3%
by Innovation Score (60.9/100): 14.6
avg claims per patent: +121%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R825 · Foreign Corporation #825 · 557 grants

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

GRANTS-MID 557 grants
TOP-DECILE #825/49,997
PHOTO-FINISH Dümmen Group B V
CPC-WIDE C08L · 183 areas
INNOV-STRONG 60.9/100
CLAIMS-RICH 14.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +121% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Dümmen Group B.V. (±1 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 Asahi’s 60.9 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 (36%) Velocity 5.3 pts (9%) Breadth 25.0 pts (41%) Claim depth 8.7 pts (14%)

Qualcomm Incorporated · highest

85
Asahi Kasei · this assignee

61
CSC Holdings · near

61
Eagle Industry · near

61
Schneider Electric… · near

61
thyssenkrupp · near

61
3D Lighting… · lowest

7

What this shows Asahi's Innovation Score is 60.9/100 (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 Asahi?

Each dot is one of Asahi’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). Asahi’s own 14.6 claims/patent is ABOVE the 9.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Asahi's grant cadence moved

Between 2020–2024, Asahi Kasei Kabushiki Kaisha received 352 grants versus 159 in 2015–2019 (+121% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2020 at 90 grants and bottomed in 2015 at 5. Lead class C08L accounts for 24.2% of the portfolio across 183 subclasses. Volume neighbours: Valeo Vision (#821) and Sumitomo Heavy Industries, Ltd. (#829).

Asahi's three-year grant acceleration

From 2019–2021 to 2022–2024, Asahi Kasei Kabushiki Kaisha moved from 241 to 191 grants (0.79x 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 #1,865. See the growth leaderboard.

Valeo Vision

559
Dümmen Group B V

558
Minebea Mitsumi

558
Zimmer

558
Asahi Kasei ◀

557
Parsons Xtreme Go…

556
Rolls-royce Deuts…

555
Stmicroelectronic…

555
Sumitomo Heavy In…

555

What this shows Asahi holds 557 patents at rank #825, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Asahi

By rank, the assignees closest to #825 in granted patent volume.

Leaders in C08L (Compositions OF Macromolecular Compounds)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Asahi, neither rank-band nor same-CPC leaders (those blocks stay above). In C08L (Compositions OF Macromolecular Compounds), Asahi ranks #31 of 2,352 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (61 here).

Eagle Industry Co., Ltd. 61 CSC Holdings, LLC 61 thyssenkrupp AG 61 Schneider Electric Industries SAS 61

Similar claim depth

Nearest assignees by average claims per patent (14.6 here).

Borealis AG 14.6 avg Bombardier Recreational Products Inc. 14.6 avg Xiamen ECO Lighting Co. Ltd. 14.6 avg Senko Advanced Components, Inc. 14.6 avg

Asahi'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

Asahi Kasei Kabushiki Kaisha patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	5	0.9%
2016	11	2.0%
2017	23	4.1%
2018	40	7.2%
2019	80	14.4%
2020	90	16.2%
2021	71	12.7%
2022	69	12.4%
2023	62	11.1%
2024	60	10.8%
2025partial year	46	8.3%

Which technologies does Asahi Kasei Kabushiki Kaisha patent most?

C08L - Compositions OF Macromolecular Compounds 135

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 119

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 103

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 94

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 92

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 79

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 70

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 60

B01D - Separation 47

C07C - Acyclic OR Carbocyclic Compounds 42

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 41

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 40

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 39

Y02T - Climate Change Mitigation Technologies Related TO Transportation 39

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 36

Top 15 of 183 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

Asahi Kasei Kabushiki Kaisha's patent record in context - here's where to go next.

Asahi Kasei Kabushiki Kaisha's lead technology class is C08L (Compositions OF Macromolecular Compounds), 24.2% of its portfolio - see every assignee active in that class. Explore C08L
Ranked #825 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Asahi Kasei Kabushiki Kaisha against Valeo Vision, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 60.9/100 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.