Overall rank by patents
#25,582
of 50,000 tracked assignees
USPTO PatentsView assignee record - 11 granted patents across 17 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: A44B (BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE).
The verdict
According to USPTO PatentsView, YKK ranks #25,582 of 50,000 tracked US assignees by granted-patent volume, with 11 patents across 17 technology areas.
USPTO PatentsView assignee plate
Corpus R25582 · US Corporation #25,582 · 11 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-DENSE · TYPE-USCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Xiamen Roadzup Outdoor Products Co., Ltd. (±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
YKK Of America · this assignee
37 score
3D Lighting Innovati… · lowest
7 score
What this shows YKK's Innovation Score is 37.0/100 (top 45% 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.
YKK Corporation Of America is a focused PatentsView assignee: 17 CPC subclasses with 54.5% of grants classified under A44B (BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE). Peak complete grant year is 2018 (3 grants) versus a trough of 1 in 2015. By volume, YKK sits between Xiamen Roadzup Outdoor Products Co., Ltd. and York Guangzhou Air Conditioning And Refrigeration Co., Ltd..
YKK Corporation Of America shows 1 grants in 2022–2024 against only 4 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.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Xiamen Roadzup Outdoor Products Co., Ltd.
11 patents
XinThera, Inc.
11 patents
Xtreme Manufacturing, LLC
11 patents
YEU CHYUAN INDUSTRIAL CO., LTD.
11 patents
YORKTOWN TECHNOLOGIES, L.P.
11 patents
YUKEN INDUSTRY CO., LTD.
11 patents
York (Wuxi) Air Conditioning and Refrigeration Co., Ltd.
11 patents
York Guangzhou Air Conditioning and Refrigeration Co., Ltd.
11 patents
YKK Corporation of America
11 patents
What this shows YKK holds 11 patents at rank #25,566, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #25,566 in granted patent volume.
Other assignees with the most granted patents in YKK's primary technology class.
YKK's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
37 Top 45% higher than 55% of 50,000 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 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 1 | 9.1% |
| 2016 | 1 | 9.1% |
| 2018 | 3 | 27.3% |
| 2019 | 2 | 18.2% |
| 2020 | 2 | 18.2% |
| 2022 | 1 | 9.1% |
| 2025partial year | 1 | 9.1% |
Top 15 of 17 technology areas
Overall rank by patents
#25,582
of 50,000 tracked assignees
37.0 out of 100
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.