Where does Polyplastics Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Polyplastics Co., Ltd. ranks #6,373 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 Polyplastics Co., Ltd. hold?

Polyplastics Co., Ltd. holds 53 US utility patents granted between 2015 and 2025, spanning 36 technology areas.

What is Polyplastics Co., Ltd.'s Innovation Score?

Polyplastics Co., Ltd. has an Innovation Score of 45.5 out of 100 (top 23% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Polyplastics Co., Ltd. focus on?

Polyplastics Co., Ltd.'s top technology area is C08L (Compositions OF Macromolecular Compounds) with 39 patents, ranking #135 of 2,352 assignees active in that subclass. Grants appear in 36 CPC subclasses total.

Is Polyplastics Co., Ltd.'s patent grant rate increasing or decreasing?

Polyplastics Co., Ltd.'s recent grant velocity is +38% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Polyplastics Co., Ltd.'s patents?

Polyplastics Co., Ltd.'s patents average 6.4 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 Polyplastics 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

Polyplastics Co., Ltd.

USPTO PatentsView assignee record - 53 granted patents across 36 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, Polyplastics ranks #6,373 of 49,997 tracked US assignees by granted-patent volume, with 53 patents across 36 technology areas.

#6,373
of 49,997 US assignees by volume: Top 23%
by Innovation Score (45.5/100): 6.4
avg claims per patent: +38%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6373 · Foreign Corporation #6,373 · 53 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-SMALL 53 grants
UPPER-Q #6,373/49,997
PHOTO-FINISH New Balance Athletics
CPC-FOCUS C08L · 36 areas
INNOV-PAR 45.5/100
CLAIMS-SPARSE 6.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +38% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: New Balance Athletics, 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 Polyplastics’s 45.5 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 13.8 pts (30%) Velocity 6.7 pts (15%) Breadth 21.2 pts (46%) Claim depth 3.9 pts (9%)

Qualcomm Incorporated · highest

85
Grow Solutions Tech · near

46
Lite-on Singapore PTE · near

46
Mahle Metal Leve S/A · near

46
Polyplastics · this assignee

46
Synapse Wireless · near

46
3D Lighting… · lowest

7

What this shows Polyplastics's Innovation Score is 45.5/100 (top 23% 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 Polyplastics?

Each dot is one of Polyplastics’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). Polyplastics’s own 6.4 claims/patent is at or below the 11.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Polyplastics's grants concentrate

Polyplastics Co., Ltd. is a focused PatentsView assignee: 36 CPC subclasses with 73.6% of grants classified under C08L (Compositions OF Macromolecular Compounds). Peak complete grant year is 2017 (9 grants) versus a trough of 2 in 2015. By volume, Polyplastics sits between New Balance Athletics, Inc. and R. Stahl SCHALTGERÄTE GMBH.

Polyplastics's three-year grant acceleration

Polyplastics Co., Ltd. shows 16 grants in 2022–2024 against only 16 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.

New Balance Athle…

53
Outdoor Edge Cutl…

53
Orion Labs

53
Pierre Fabre Derm…

53
Precision Combust…

53
Purity (Xiamen) S…

53
Qromis

53
R Stahl Schaltger…

53
Polyplastics ◀

53

What this shows Polyplastics holds 53 patents at rank #6,371, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Polyplastics

By rank, the assignees closest to #6,371 in granted patent volume.

Leaders in C08L (Compositions OF Macromolecular Compounds)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Polyplastics, neither rank-band nor same-CPC leaders (those blocks stay above). In C08L (Compositions OF Macromolecular Compounds), Polyplastics ranks #135 of 2,352 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (46 here).

Grow Solutions Tech LLC 46 Mahle Metal Leve S/A 46 Lite-on Singapore PTE. Ltd. 46 Synapse Wireless, Inc. 46

Similar claim depth

Nearest assignees by average claims per patent (6.4 here).

Proslide Technology Inc. 6.4 avg Silgan Containers LLC 6.4 avg Tumi, Inc. 6.4 avg Brita LP 6.4 avg

Polyplastics's Innovation Score vs. every tracked assignee

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

46 Top 23% higher than 77% 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

Polyplastics Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	3.8%
2016	3	5.7%
2017	9	17.0%
2018	4	7.5%
2019	3	5.7%
2020	8	15.1%
2021	5	9.4%
2022	5	9.4%
2023	6	11.3%
2024	5	9.4%
2025partial year	3	5.7%

Which technologies does Polyplastics Co., Ltd. patent most?

C08L - Compositions OF Macromolecular Compounds 39

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 33

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 17

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 14

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 12

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 11

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 6

Y10T - Technical Subjects Covered BY Former US Classification 5

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 3

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 3

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 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 2

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 2

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 2

Top 15 of 36 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

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

Polyplastics Co., Ltd.'s lead technology class is C08L (Compositions OF Macromolecular Compounds), 73.6% of its portfolio - see every assignee active in that class. Explore C08L
Ranked #6,373 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Polyplastics Co., Ltd. against New Balance Athletics, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.5/100 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.