Overall rank by patents
#23,721
of 50,000 tracked assignees
USPTO PatentsView assignee record - 12 granted patents across 12 technology areas, recorded in grant years 2021–2023. 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: F21V (FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR).
The verdict
According to USPTO PatentsView, Zhangzhou ranks #23,721 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 12 technology areas.
USPTO PatentsView assignee plate
Corpus R23721 · Foreign Corporation #23,721 · 12 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Zalman TECH 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
Zhangzhou GO WIN Lig… · this assignee
46 score
3D Lighting Innovati… · lowest
7 score
What this shows Zhangzhou's Innovation Score is 46.3/100 (top 21% 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.
Zhangzhou GO WIN Lighting Co., Ltd is a focused PatentsView assignee: 12 CPC subclasses with 50% of grants classified under F21V (FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR). Peak complete grant year is 2023 (5 grants) versus a trough of 3 in 2021. By volume, Zhangzhou sits between Zalman TECH Co., Ltd. and ZIM Aircraft Seating Gmbh.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
ZALMAN TECH CO., LTD.
12 patents
ZENG HSING INDUSTRIAL CO., LTD.
12 patents
ZEROPOINT TECHNOLOGIES AB
12 patents
ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL CO., LTD.
12 patents
ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
12 patents
ZHEJIANG HAODA SCIENCE & TECHNOLOGY CO., LTD
12 patents
ZILLTEK TECHNOLOGY CORP.
12 patents
ZIM AIRCRAFT SEATING GMBH
12 patents
ZHANGZHOU GO WIN LIGHTING CO., LTD
12 patents
What this shows Zhangzhou holds 12 patents at rank #23,706, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #23,706 in granted patent volume.
Other assignees with the most granted patents in Zhangzhou's primary technology class.
Zhangzhou's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
46 Top 21% higher than 79% 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 2021–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2021 | 3 | 25.0% |
| 2022 | 4 | 33.3% |
| 2023 | 5 | 41.7% |
Top 12 of 12 technology areas
Overall rank by patents
#23,721
of 50,000 tracked assignees
46.3 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.