Overall rank by patents
#20,641
of 50,000 tracked assignees
USPTO PatentsView assignee record - 14 granted patents across 7 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: E03D (WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR).
The verdict
According to USPTO PatentsView, Xiamen ranks #20,641 of 50,000 tracked US assignees by granted-patent volume, with 14 patents across 7 technology areas.
USPTO PatentsView assignee plate
Corpus R20641 · Foreign Corporation #20,641 · 14 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: X-FAB Global Services Gmbh (±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
Automotive Research… · near
32 score
Ergomotion · near
32 score
Myriad Genetics · near
32 score
Siga · near
32 score
Xiamen R&T Plumbing… · this assignee
32 score
3D Lighting Innovati… · lowest
7 score
What this shows Xiamen's Innovation Score is 32.1/100 (top 60% 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.
Xiamen R&T Plumbing Technology Co., Ltd. is a focused PatentsView assignee: 7 CPC subclasses with 64.3% of grants classified under E03D (WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2015. By volume, Xiamen sits between X-FAB Global Services Gmbh and Xiamen EASO Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
X-FAB Global Services GmbH
14 patents
X-RAY OPTICAL SYSTEMS, INC.
14 patents
XAMAX INDUSTRIES, INC.
14 patents
XI'AN UNIIC SEMICONDUCTORS CO., LTD.
14 patents
XSYS PREPRESS N.V.
14 patents
XW LABORATORIES INC.
14 patents
Xcaliber Sciences, Inc.
14 patents
Xiamen EASO Co., Ltd.
14 patents
XIAMEN R&T PLUMBING TECHNOLOGY CO., LTD.
14 patents
What this shows Xiamen holds 14 patents at rank #20,635, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #20,635 in granted patent volume.
Other assignees with the most granted patents in Xiamen's primary technology class.
Two PlainPatent-derived peer sets for Xiamen, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (32 here).
Xiamen's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
32 Top 60% higher than 40% 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 | 7.1% |
| 2017 | 4 | 28.6% |
| 2018 | 1 | 7.1% |
| 2019 | 1 | 7.1% |
| 2020 | 1 | 7.1% |
| 2021 | 1 | 7.1% |
| 2024 | 2 | 14.3% |
| 2025partial year | 3 | 21.4% |
Top 7 of 7 technology areas
Overall rank by patents
#20,641
of 50,000 tracked assignees
32.1 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.