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

According to USPTO PatentsView (2015–2025 granted utility patents), Dayou Winia Co., Ltd. ranks #34,952 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 Dayou Winia Co., Ltd. hold?

Dayou Winia Co., Ltd. holds 7 US utility patents granted between 2017 and 2021, spanning 0 technology areas.

What is Dayou Winia Co., Ltd.'s Innovation Score?

Dayou Winia Co., Ltd. has an Innovation Score of 7.8 out of 100 (1st percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Dayou Winia Co., Ltd. focus on?

Dayou Winia Co., Ltd. holds grants across 0 technology areas classified under the Cooperative Patent Classification system.

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

Dayou Winia Co., Ltd.'s recent grant velocity is -83% 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 Dayou Winia Co., Ltd.'s patents?

Dayou Winia Co., Ltd.'s patents average 1.0 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 Dayou Winia 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

Dayou Winia Co., Ltd.

USPTO PatentsView assignee record - 7 granted patents across 0 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.

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Dayou ranks #34,952 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 0 technology areas.

#34,952
of 49,997 US assignees by volume: 1st percentile
by Innovation Score (7.8/100): 1.0
avg claims per patent: -83%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R34952 · Foreign Corporation #34,952 · 7 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-UNK · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-RICH

GRANTS-MICRO 7 grants
MID-PACK #34,952/49,997
PHOTO-FINISH Dauntless Labs
CPC-UNK CPC blank
INNOV-LOW 7.8/100
CLAIMS-SPARSE 1.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -83% vel
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Dauntless Labs, 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 Dayou’s 7.8 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 7.2 pts (92%) Velocity 0.0 pts (0%) Breadth 0.0 pts (0%) Claim depth 0.6 pts (8%)

Qualcomm Incorporated · highest

85
Dayou Winia · this assignee

8
3D Lighting… · lowest

7

What this shows Dayou's Innovation Score is 7.8/100 (1st 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 Dayou?

Each dot is one of Dayou’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). Dayou’s own 1.0 claims/patent is at or below the 13.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dayou's grants concentrate

Dayou Winia Co., Ltd. is a focused PatentsView assignee: 0 CPC subclasses . Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2021. By volume, Dayou sits between Dauntless Labs, LLC and DeCurtis LLC.

Dauntless Labs

7
David S Smith Ame…

7
Davinci Italia/US…

7
Davro Design

7
De Luca Oven

7
De Staat der Nede…

7
Decarbon Technolo…

7
Decurtis

7
Dayou Winia ◀

7

What this shows Dayou holds 7 patents at rank #35,010, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dayou

By rank, the assignees closest to #35,010 in granted patent volume.

Dayou's Innovation Score vs. every tracked assignee

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

8 1st percentile higher than 1% 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

Dayou Winia Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	2	28.6%
2018	2	28.6%
2019	2	28.6%
2021	1	14.3%

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

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

Ranked #34,952 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dayou Winia Co., Ltd. against Dauntless Labs, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 7.8/100 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.