Overall rank by patents
#22,080
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 11 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 #22,080 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 11 technology areas.
USPTO PatentsView assignee plate
Corpus R22080 · Foreign Corporation #22,080 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
Nearest grant-volume peer: ZERO Motorcycles, Inc. (±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 Quhua Fluor… · this assignee
28 score
3D Lighting Innovati… · lowest
7 score
What this shows Zhejiang's Innovation Score is 28.4/100 (top 73% 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 Quhua Fluor-chemistry Co., Ltd. is a focused PatentsView assignee: 11 CPC subclasses with 84.6% of grants classified under C07C (ACYCLIC OR CARBOCYCLIC COMPOUNDS). Peak complete grant year is 2021 (3 grants) versus a trough of 1 in 2016. By volume, Zhejiang sits between ZERO Motorcycles, Inc. and ZOLL Respicardia, Inc..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
ZERO MOTORCYCLES, INC.
13 patents
ZHANGYUE TECHNOLOGY CO., LTD
13 patents
ZHEJIANG FLY CUP CO.,LTD
13 patents
ZHEJIANG HENGYI PETROCHEMICAL CO., LTD.
13 patents
ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP CO., LTD.
13 patents
ZHEJIANG SANHUA CO., LTD
13 patents
ZHUHAI HENGQIN SUPER TECHNOLOGY LTD.
13 patents
ZOLL RESPICARDIA, INC.
13 patents
ZHEJIANG QUHUA FLUOR-CHEMISTRY Co., Ltd.
13 patents
What this shows Zhejiang holds 13 patents at rank #22,071, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #22,071 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)
28 Top 73% higher than 27% 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 | 7.7% |
| 2017 | 1 | 7.7% |
| 2018 | 1 | 7.7% |
| 2019 | 2 | 15.4% |
| 2020 | 2 | 15.4% |
| 2021 | 3 | 23.1% |
| 2023 | 1 | 7.7% |
| 2024 | 2 | 15.4% |
Top 11 of 11 technology areas
Overall rank by patents
#22,080
of 50,000 tracked assignees
28.4 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.