Overall rank by patents
#34,952
of 49,997 tracked assignees
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.
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.
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
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.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Dayou Winia · this assignee
8 score
3D Lighting… · lowest
7 score
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.
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.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Dauntless Labs, LLC
7 patents
David S. Smith America, Inc.
7 patents
Davinci Italia/USA Group, LLC
7 patents
Davro Design, LLC
7 patents
De Luca Oven Technologies, LLC
7 patents
De Staat der Nederlanden, vert. door de minister van VWS, Ministerie van Volksgezondheid, Welzijn en Sport
7 patents
DeCarbon Technology (Shenzhen) Co., Ltd.
7 patents
DeCurtis LLC
7 patents
Dayou Winia Co., Ltd.
7 patents
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.
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
Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2017 | 2 | 28.6% |
| 2018 | 2 | 28.6% |
| 2019 | 2 | 28.6% |
| 2021 | 1 | 14.3% |
Overall rank by patents
#34,952
of 49,997 tracked assignees
7.8 out of 100
What to do with this data
Dayou Winia Co., Ltd.'s patent record in context - here's where to go next.
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
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.