Where does Corelex Shin-ei Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Corelex Shin-ei Co., Ltd. ranks #26,055 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 Corelex Shin-ei Co., Ltd. hold?

Corelex Shin-ei Co., Ltd. holds 10 US utility patents granted between 2021 and 2025, spanning 13 technology areas.

What is Corelex Shin-ei Co., Ltd.'s Innovation Score?

Corelex Shin-ei Co., Ltd. has an Innovation Score of 44.6 out of 100 (top 25% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Corelex Shin-ei Co., Ltd. focus on?

Corelex Shin-ei Co., Ltd.'s top technology area is B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables) with 5 patents, ranking #227 of 1,019 assignees active in that subclass. Grants appear in 13 CPC subclasses total.

Is Corelex Shin-ei Co., Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Corelex Shin-ei Co., Ltd..

What does claim depth mean for Corelex Shin-ei Co., Ltd.'s patents?

Corelex Shin-ei Co., Ltd.'s patents average 5.9 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 Corelex Shin-ei 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

Corelex Shin-ei Co., Ltd.

USPTO PatentsView assignee record - 10 granted patents across 13 technology areas, recorded in grant years 2021–2025. 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: B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Corelex ranks #26,055 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 13 technology areas.

#26,055
of 49,997 US assignees by volume: Top 25%
by Innovation Score (44.6/100): 5.9
avg claims per patent

USPTO PatentsView assignee plate

Corpus R26055 · Foreign Corporation #26,055 · 10 grants

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

GRANTS-MICRO 10 grants
MID-PACK #26,055/49,997
PHOTO-FINISH Connectquest
CPC-FOCUS B65H · 13 areas
INNOV-PAR 44.6/100
CLAIMS-SPARSE 5.9 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Connectquest LLC (±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 Corelex’s 44.6 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 8.3 pts (19%) Velocity 20.0 pts (45%) Breadth 12.7 pts (29%) Claim depth 3.5 pts (8%)

Qualcomm Incorporated · highest

85
Corelex Shin-ei · this assignee

45
3D Lighting… · lowest

7

What this shows Corelex's Innovation Score is 44.6/100 (top 25% 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 Corelex?

Each dot is one of Corelex’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). Corelex’s own 5.9 claims/patent is at or below the 16.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Corelex's grants concentrate

Corelex Shin-ei Co., Ltd. is a focused PatentsView assignee: 13 CPC subclasses with 50% of grants classified under B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables). Peak complete grant year is 2022 (4 grants) versus a trough of 1 in 2023. By volume, Corelex sits between Connectquest LLC and Cosmecca Korea Co., Ltd..

Corelex's three-year grant acceleration

Corelex Shin-ei Co., Ltd. shows 6 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.

Connectquest

10
Contentguard Hold…

10
Contipro A S

10
Contramed

10
Corners

10
Corning Gilbert

10
Cosentino Researc…

10
Cosmecca Korea

10
Corelex Shin-ei ◀

10

What this shows Corelex holds 10 patents at rank #25,994, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Corelex

By rank, the assignees closest to #25,994 in granted patent volume.

Leaders in B65H (Handling Thin OR Filamentary Material)

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

Corelex's Innovation Score vs. every tracked assignee

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

45 Top 25% higher than 75% 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Corelex Shin-ei Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	2	20.0%
2022	4	40.0%
2023	1	10.0%
2024	1	10.0%
2025partial year	2	20.0%

Which technologies does Corelex Shin-ei Co., Ltd. patent most?

B65H - Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables 5

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 4

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

B65B - Machines, Apparatus OR Devices FOR, OR Methods OF, Packaging Articles OR MATERIALS; Unpacking 3

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 3

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 2

B31F - Mechanical Working OR Deformation OF Paper, Cardboard OR Material Worked IN A Manner Analogous TO Paper 2

B31C - Making Wound Articles, e.g. Wound Tubes, OF Paper, Cardboard OR Material Worked IN A Manner Analogous TO Paper 1

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 1

B31D - Making Articles OF Paper, Cardboard OR Material Worked IN A Manner Analogous TO Paper, NOT Provided FOR IN Subclasses B31b OR B31c 1

D21F - Paper-making MACHINES; Methods OF Producing Paper Thereon 1

Y10T - Technical Subjects Covered BY Former US Classification 1

B26D - CUTTING; Details Common TO Machines FOR Perforating, Punching, Cutting-out, Stamping-out OR Severing 1

Top 13 of 13 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

Corelex Shin-ei Co., Ltd.'s patent record in context - here's where to go next.

Corelex Shin-ei Co., Ltd.'s lead technology class is B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables), 50% of its portfolio - see every assignee active in that class. Explore B65H
Ranked #26,055 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Corelex Shin-ei Co., Ltd. against Connectquest LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 44.6/100 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.