Where does Dongguan Hongyu Plastic Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dongguan Hongyu Plastic Co., Ltd. ranks #9,244 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 Dongguan Hongyu Plastic Co., Ltd. hold?

Dongguan Hongyu Plastic Co., Ltd. holds 34 US utility patents granted between 2021 and 2025, spanning 20 technology areas.

What is Dongguan Hongyu Plastic Co., Ltd.'s Innovation Score?

Dongguan Hongyu Plastic Co., Ltd. has an Innovation Score of 53.9 out of 100 (top 8% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Dongguan Hongyu Plastic Co., Ltd. focus on?

Dongguan Hongyu Plastic Co., Ltd.'s top technology area is A47C (CHAIRS; SOFAS; Beds) with 13 patents, ranking #55 of 728 assignees active in that subclass. Grants appear in 20 CPC subclasses total.

Is Dongguan Hongyu Plastic Co., Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Dongguan Hongyu Plastic Co., Ltd..

What does claim depth mean for Dongguan Hongyu Plastic Co., Ltd.'s patents?

Dongguan Hongyu Plastic Co., Ltd.'s patents average 9.6 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 Dongguan Hongyu Plastic 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

Dongguan Hongyu Plastic Co., Ltd.

USPTO PatentsView assignee record - 34 granted patents across 20 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: A47C (CHAIRS; SOFAS; Beds).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Dongguan ranks #9,244 of 49,997 tracked US assignees by granted-patent volume, with 34 patents across 20 technology areas.

#9,244
of 49,997 US assignees by volume: Top 8%
by Innovation Score (53.9/100): 9.6
avg claims per patent

USPTO PatentsView assignee plate

Corpus R9244 · Foreign Corporation #9,244 · 34 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-SMALL 34 grants
UPPER-Q #9,244/49,997
PHOTO-FINISH DataInfoCom USA
CPC-FOCUS A47C · 20 areas
INNOV-PAR 53.9/100
CLAIMS-PAR 9.6 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: DataInfoCom USA, 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 Dongguan’s 53.9 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 12.3 pts (23%) Velocity 20.0 pts (37%) Breadth 15.8 pts (29%) Claim depth 5.8 pts (11%)

Qualcomm Incorporated · highest

85
Beijing E-Town… · near

54
Chang Gung University · near

54
Dongguan Hongyu… · this assignee

54
Mitsubishi Pencil · near

54
Praxis Precision… · near

54
3D Lighting… · lowest

7

What this shows Dongguan's Innovation Score is 53.9/100 (top 8% 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 Dongguan?

Each dot is one of Dongguan’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). Dongguan’s own 9.6 claims/patent is at or below the 17.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dongguan's grants concentrate

Dongguan Hongyu Plastic Co., Ltd. is a focused PatentsView assignee: 20 CPC subclasses with 38.2% of grants classified under A47C (CHAIRS; SOFAS; Beds). Peak complete grant year is 2024 (18 grants) versus a trough of 1 in 2021. By volume, Dongguan sits between Deckel Maho Pfronten GmbH and Equity Shift, Inc..

Dongguan's three-year grant acceleration

Dongguan Hongyu Plastic Co., Ltd. shows 26 grants in 2022–2024 against only 1 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.

Deckel Maho Pfron…

34
Dong Guan Song WE…

34
Dublin City Unive…

34
Datainfocom USA

34
E F Johnson

34
Everready Precisi…

34
Enduvo

34
Equity Shift

34
Dongguan Hongyu P… ◀

34

What this shows Dongguan holds 34 patents at rank #9,245, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dongguan

By rank, the assignees closest to #9,245 in granted patent volume.

Leaders in A47C (Chairs)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Dongguan, neither rank-band nor same-CPC leaders (those blocks stay above). In A47C (Chairs), Dongguan ranks #55 of 728 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (54 here).

Chang Gung University 54 Beijing E-Town Semiconductor Technology Co., Ltd. 54 Mitsubishi Pencil Company, Limited 54 Praxis Precision Medicines, Inc. 54

Dongguan's Innovation Score vs. every tracked assignee

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

54 Top 8% higher than 92% 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

Dongguan Hongyu Plastic Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	1	2.9%
2022	1	2.9%
2023	7	20.6%
2024	18	52.9%
2025partial year	7	20.6%

Which technologies does Dongguan Hongyu Plastic Co., Ltd. patent most?

A47C - CHAIRS; SOFAS; Beds 13

F04D - Non-positive-displacement Pumps 4

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 3

A61H - Physical Therapy Apparatus, e.g. Devices FOR Locating OR Stimulating Reflex Points IN THE BODY; Artificial RESPIRATION; MASSAGE; Bathing Devices FOR Special Therapeutic OR Hygienic Purposes OR Specific Parts OF THE Body 2

A63B - Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment 2

B63B - Ships OR Other Waterborne VESSELS; Equipment FOR Shipping 2

A47D - Furniture Specially Adapted FOR Children 1

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 1

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 1

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 1

H02K - Dynamo-electric Machines 1

A63H - Toys, e.g. Tops, Dolls, Hoops OR Building Blocks 1

Y02D - Climate Change Mitigation Technologies IN Information AND Communication Technologies [ICT], I.E. Information AND Communication Technologies Aiming AT THE Reduction OF Their OWN Energy USE 1

F41J - TARGETS; Target RANGES; Bullet Catchers 1

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

Top 15 of 20 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

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

Dongguan Hongyu Plastic Co., Ltd.'s lead technology class is A47C (CHAIRS; SOFAS; Beds), 38.2% of its portfolio - see every assignee active in that class. Explore A47C
Ranked #9,244 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dongguan Hongyu Plastic Co., Ltd. against Deckel Maho Pfronten GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 53.9/100 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.