Where does Chukoh Chemical Industries, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chukoh Chemical Industries, Ltd. ranks #45,675 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 Chukoh Chemical Industries, Ltd. hold?

Chukoh Chemical Industries, Ltd. holds 5 US utility patents granted between 2017 and 2021, spanning 14 technology areas.

What is Chukoh Chemical Industries, Ltd.'s Innovation Score?

Chukoh Chemical Industries, Ltd. has an Innovation Score of 24.7 out of 100 (15th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Chukoh Chemical Industries, Ltd.'s patent grant rate increasing or decreasing?

Chukoh Chemical Industries, 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 Chukoh Chemical Industries, Ltd.'s patents?

Chukoh Chemical Industries, Ltd.'s patents average 8.8 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 Chukoh Chemical Industries, 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

Chukoh Chemical Industries, Ltd.

Q: What technology areas does Chukoh Chemical Industries, Ltd. focus on?

Chukoh Chemical Industries, 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 3 patents. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 14 technology areas, recorded in grant years 2017–2021. 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: 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, Chukoh ranks #45,675 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 14 technology areas.

#45,675
of 49,997 US assignees by volume: 15th percentile
by Innovation Score (24.7/100): 8.8
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45675 · Foreign Corporation #45,675 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,675/49,997
PHOTO-FINISH Chronicled
CPC-FOCUS B32B · 14 areas
INNOV-THIN 24.7/100
CLAIMS-PAR 8.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Chronicled 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.

Qualcomm Incorporated · highest

85
Chukoh Chemical… · this assignee

25
3D Lighting… · lowest

7

What this shows Chukoh's Innovation Score is 24.7/100 (15th 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.

Where Chukoh's grants concentrate

Chukoh Chemical Industries, Ltd. is a focused PatentsView assignee: 14 CPC subclasses with 60% of grants classified under B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form). Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2018. By volume, Chukoh sits between Chronicled Inc. and Cionic, Inc..

Chronicled

5
Chrysal Internati…

5
Chrysalis Pharma

5
Chugai Pharmaceut…

5
Chun Lam Group (I…

5
Cinarra Systems

5
Cintas

5
Cionic

5
Chukoh Chemical I… ◀

5

What this shows Chukoh holds 5 patents at rank #45,845, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chukoh

By rank, the assignees closest to #45,845 in granted patent volume.

Leaders in B32B (Layered Products)

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

Chukoh's Innovation Score vs. every tracked assignee

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

25 15th percentile higher than 15% 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 · 2017–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Chukoh Chemical Industries, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	2	40.0%
2018	1	20.0%
2019	1	20.0%
2021	1	20.0%

Which technologies does Chukoh Chemical Industries, Ltd. patent most?

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 3

B60J - Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles 2

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 2

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 2

Y10T - Technical Subjects Covered BY Former US Classification 2

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

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 1

B65G - Transport OR Storage Devices, e.g. Conveyors FOR Loading OR Tipping, Shop Conveyor Systems OR Pneumatic Tube Conveyors 1

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

C03C - Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials 1

D06N - Wall, Floor, OR Like Covering Materials, e.g. Linoleum, Oilcloth, Artificial Leather, Roofing Felt, Consisting OF A Fibrous WEB Coated With A Layer OF Macromolecular MATERIAL; Flexible Sheet Material NOT Otherwise Provided FOR 1

D06M - Treatment, NOT Provided FOR Elsewhere IN Class D06, OF Fibres, Threads, Yarns, Fabrics, Feathers OR Fibrous Goods Made From Such Materials 1

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 1

Top 14 of 14 technology areas

Where it ranks

Overall rank by patents

#45,675

of 49,997 tracked assignees

Innovation Score

24.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

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

Chukoh Chemical Industries, 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), 60% of its portfolio - see every assignee active in that class. Explore B32B
Ranked #45,675 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Chukoh Chemical Industries, Ltd. against Chronicled Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.7/100 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.