Where does Kawasaki Kasei Chemicals Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kawasaki Kasei Chemicals Ltd. ranks #36,092 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 Kawasaki Kasei Chemicals Ltd. hold?

Kawasaki Kasei Chemicals Ltd. holds 7 US utility patents granted between 2020 and 2024, spanning 9 technology areas.

What is Kawasaki Kasei Chemicals Ltd.'s Innovation Score?

Kawasaki Kasei Chemicals Ltd. has an Innovation Score of 40.5 out of 100 (top 35% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kawasaki Kasei Chemicals Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Kawasaki Kasei Chemicals Ltd..

What does claim depth mean for Kawasaki Kasei Chemicals Ltd.'s patents?

Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals 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

Kawasaki Kasei Chemicals Ltd.

Q: What technology areas does Kawasaki Kasei Chemicals Ltd. focus on?

Kawasaki Kasei Chemicals Ltd.'s top technology area is C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds) with 7 patents, ranking #313 of 1,231 assignees active in that subclass. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 9 technology areas, recorded in grant years 2020–2024. 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: C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kawasaki ranks #36,092 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 9 technology areas.

#36,092
of 49,997 US assignees by volume: Top 35%
by Innovation Score (40.5/100): 10.1
avg claims per patent

USPTO PatentsView assignee plate

Corpus R36092 · Foreign Corporation #36,092 · 7 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 7 grants
MID-PACK #36,092/49,997
PHOTO-FINISH Kandji
CPC-NARROW C08F · 9 areas
INNOV-PAR 40.5/100
CLAIMS-PAR 10.1 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2020–2024 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Kandji, Inc. (±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 Kawasaki’s 40.5 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 7.2 pts (18%) Velocity 16.7 pts (41%) Breadth 10.6 pts (26%) Claim depth 6.1 pts (15%)

Qualcomm Incorporated · highest

85
Kawasaki Kasei… · this assignee

41
3D Lighting… · lowest

7

What this shows Kawasaki's Innovation Score is 40.5/100 (top 35% 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 Kawasaki?

Each dot is one of Kawasaki’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). Kawasaki’s own 10.1 claims/patent is at or below the 13.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kawasaki's grants concentrate

Kawasaki Kasei Chemicals Ltd. is a focused PatentsView assignee: 9 CPC subclasses with 100% of grants classified under C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds). Peak complete grant year is 2022 (2 grants) versus a trough of 1 in 2020. By volume, Kawasaki sits between Kandji, Inc. and Kelsyus, LLC.

Kawasaki's three-year grant acceleration

Kawasaki Kasei Chemicals Ltd. shows 5 grants in 2022–2024 against only 2 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Kandji

7
Karis and Drake

7
Karuna Therapeuti…

7
Katana Racing

7
Kehuangda (Guangz…

7
Kelisec AB

7
Keller Holding

7
Kelsyus

7
Kawasaki Kasei Ch… ◀

7

What this shows Kawasaki holds 7 patents at rank #36,127, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kawasaki

By rank, the assignees closest to #36,127 in granted patent volume.

Leaders in C08F (Macromolecular Compounds Obtained BY Reactions Only Invol…)

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

Kawasaki's Innovation Score vs. every tracked assignee

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

41 Top 35% higher than 65% 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 · 2020–2024

Grants by year

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

View data table

Kawasaki Kasei Chemicals Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2020	1	14.3%
2021	1	14.3%
2022	2	28.6%
2023	1	14.3%
2024	2	28.6%

Which technologies does Kawasaki Kasei Chemicals Ltd. patent most?

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 7

C07C - Acyclic OR Carbocyclic Compounds 3

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 2

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 1

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

C07D - Heterocyclic Compounds 1

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 1

C08L - Compositions OF Macromolecular Compounds 1

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 1

Top 9 of 9 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

Kawasaki Kasei Chemicals Ltd.'s patent record in context - here's where to go next.

Kawasaki Kasei Chemicals Ltd.'s lead technology class is C08F (Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds), 100% of its portfolio - see every assignee active in that class. Explore C08F
Ranked #36,092 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kawasaki Kasei Chemicals Ltd. against Kandji, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 40.5/100 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.