Where does Chuetsu Pulp & Paper Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chuetsu Pulp & Paper Co., Ltd. ranks #45,673 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 Chuetsu Pulp & Paper Co., Ltd. hold?

Chuetsu Pulp & Paper Co., Ltd. holds 5 US utility patents granted between 2019 and 2025, spanning 16 technology areas.

What is Chuetsu Pulp & Paper Co., Ltd.'s Innovation Score?

Chuetsu Pulp & Paper Co., Ltd. has an Innovation Score of 27.5 out of 100 (24th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Chuetsu Pulp & Paper Co., Ltd.'s patent grant rate increasing or decreasing?

Chuetsu Pulp & Paper Co., Ltd.'s recent grant velocity is +200% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Chuetsu Pulp & Paper Co., Ltd.'s patents?

Chuetsu Pulp & Paper Co., Ltd.'s patents average 8.2 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 Chuetsu Pulp & Paper 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

Chuetsu Pulp & Paper Co., Ltd.

Q: What technology areas does Chuetsu Pulp & Paper Co., Ltd. focus on?

Chuetsu Pulp & Paper Co., Ltd.'s top technology area is D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherwise Provided FOR) with 3 patents, ranking #119 of 361 assignees active in that subclass. Grants appear in 16 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 16 technology areas, recorded in grant years 2019–2025. 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: D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherw).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Chuetsu ranks #45,673 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 16 technology areas.

#45,673
of 49,997 US assignees by volume: 24th percentile
by Innovation Score (27.5/100): 8.2
avg claims per patent: +200%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45673 · Foreign Corporation #45,673 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,673/49,997
PHOTO-FINISH Christian Louboutin
CPC-FOCUS D21H · 16 areas
INNOV-THIN 27.5/100
CLAIMS-PAR 8.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +200% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Christian Louboutin (±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 Chuetsu’s 27.5 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 6.2 pts (23%) Velocity 2.2 pts (8%) Breadth 14.1 pts (51%) Claim depth 4.9 pts (18%)

Qualcomm Incorporated · highest

85
Chuetsu Pulp & Paper · this assignee

27
3D Lighting… · lowest

7

What this shows Chuetsu's Innovation Score is 27.5/100 (24th 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 Chuetsu?

Each dot is one of Chuetsu’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). Chuetsu’s own 8.2 claims/patent is at or below the 10.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Chuetsu's grants concentrate

Chuetsu Pulp & Paper Co., Ltd. is a focused PatentsView assignee: 16 CPC subclasses with 60% of grants classified under D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherw). By volume, Chuetsu sits between Christian Louboutin and Cikautxo, S. Coop..

Chuetsu's three-year grant acceleration

Chuetsu Pulp & Paper Co., Ltd. shows 1 grants in 2022–2024 against only 3 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.

Christian Loubout…

5
Christopher Desig…

5
Chromatic 3D Mate…

5
CHS Healthcare Ve…

5
Chundo Pharm

5
Chung TIN Interna…

5
Ciel ET Terre Int…

5
Cikautxo S Coop

5
Chuetsu Pulp & Pa… ◀

5

What this shows Chuetsu holds 5 patents at rank #45,547, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chuetsu

By rank, the assignees closest to #45,547 in granted patent volume.

Leaders in D21H (Pulp Compositions)

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

Chuetsu's Innovation Score vs. every tracked assignee

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

27 24th percentile higher than 24% 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 · 2019–2025

Grants by year

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

View data table

Chuetsu Pulp & Paper Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	20.0%
2020	1	20.0%
2021	1	20.0%
2022	1	20.0%
2025partial year	1	20.0%

Which technologies does Chuetsu Pulp & Paper Co., Ltd. patent most?

D21H - Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherwise Provided FOR 3

C08B - POLYSACCHARIDES; Derivatives Thereof 2

C08L - Compositions OF Macromolecular Compounds 2

B02C - Crushing, Pulverising, OR Disintegrating IN GENERAL; Milling Grain 2

D21J - FIBREBOARD; Manufacture OF Articles From Cellulosic Fibrous Suspensions OR From Papier-mache 1

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 1

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

C08H - Derivatives OF Natural Macromolecular Compounds 1

A61Q - Specific USE OF Cosmetics OR Similar Toiletry Preparations 1

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 1

Y02A - Technologies FOR Adaptation TO Climate Change 1

D01F - Chemical Features IN THE Manufacture OF Artificial Filaments, Threads, Fibres, Bristles OR RIBBONS; Apparatus Specially Adapted FOR THE Manufacture OF Carbon Filaments 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

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 1

D21D - Treatment OF THE Materials Before Passing TO THE Paper-making Machine 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

Chuetsu Pulp & Paper Co., Ltd.'s patent record in context - here's where to go next.

Chuetsu Pulp & Paper Co., Ltd.'s lead technology class is D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherw), 60% of its portfolio - see every assignee active in that class. Explore D21H
Ranked #45,673 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Chuetsu Pulp & Paper Co., Ltd. against Christian Louboutin, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 27.5/100 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.