Overall rank by patents
#23,722
of 50,000 tracked assignees
USPTO PatentsView assignee record - 12 granted patents across 7 technology areas, recorded in grant years 2016–2024. 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: C07C (ACYCLIC OR CARBOCYCLIC COMPOUNDS).
The verdict
According to USPTO PatentsView, Zhejiang ranks #23,722 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 7 technology areas.
USPTO PatentsView assignee plate
Corpus R23722 · Foreign Corporation #23,722 · 12 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
Nearest grant-volume peer: ZENG Hsing Industrial 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
Zhejiang Ausun Pharm… · this assignee
30 score
3D Lighting Innovati… · lowest
7 score
What this shows Zhejiang's Innovation Score is 30.1/100 (top 67% 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.
Zhejiang Ausun Pharmaceutical Co., Ltd. is a focused PatentsView assignee: 7 CPC subclasses with 75% of grants classified under C07C (ACYCLIC OR CARBOCYCLIC COMPOUNDS). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2016. By volume, Zhejiang sits between ZENG Hsing Industrial Co., Ltd. and Zkteco Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
ZENG HSING INDUSTRIAL CO., LTD.
12 patents
ZEROPOINT TECHNOLOGIES AB
12 patents
ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL CO., LTD.
12 patents
ZHANGZHOU GO WIN LIGHTING CO., LTD
12 patents
ZHEJIANG HAODA SCIENCE & TECHNOLOGY CO., LTD
12 patents
ZILLTEK TECHNOLOGY CORP.
12 patents
ZIM AIRCRAFT SEATING GMBH
12 patents
ZKTECO CO., LTD.
12 patents
ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
12 patents
What this shows Zhejiang holds 12 patents at rank #23,707, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #23,707 in granted patent volume.
Other assignees with the most granted patents in Zhejiang's primary technology class.
Zhejiang's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
30 Top 67% higher than 33% 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 2016–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2016 | 1 | 8.3% |
| 2018 | 2 | 16.7% |
| 2019 | 1 | 8.3% |
| 2020 | 3 | 25.0% |
| 2021 | 2 | 16.7% |
| 2022 | 1 | 8.3% |
| 2023 | 1 | 8.3% |
| 2024 | 1 | 8.3% |
Top 7 of 7 technology areas
Overall rank by patents
#23,722
of 50,000 tracked assignees
30.1 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.