Overall rank by patents
#22,687
of 50,000 tracked assignees
USPTO PatentsView assignee record - 12 granted patents across 5 technology areas, recorded in grant years 2015–2018. 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: A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS).
The verdict
According to USPTO PatentsView, Hangzhou ranks #22,687 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 5 technology areas.
USPTO PatentsView assignee plate
Corpus R22687 · Foreign Corporation #22,687 · 12 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Gunner Fab, Llc (±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
Hangzhou Bensheng Ph… · this assignee
26 score
3D Lighting Innovati… · lowest
7 score
What this shows Hangzhou's Innovation Score is 26.0/100 (top 81% 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.
Hangzhou Bensheng Pharmaceutical Co., Ltd. is a focused PatentsView assignee: 5 CPC subclasses with 100% of grants classified under A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS). Peak complete grant year is 2016 (5 grants) versus a trough of 1 in 2018. By volume, Hangzhou sits between Gunner Fab, Llc and Hangzhou Yushu Technology Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Gunner Fab, LLC
12 patents
HAICHEN AUTO PARTS CO., LTD.
12 patents
HAIER ASIA CO., LTD.
12 patents
HANDI QUILTER, INC.
12 patents
HANGZHOU GOLDEN SUN AUTO PARTS CO., LTD.
12 patents
HANGZHOU HANGKE OPTOELECTRONICS CO., LTD.
12 patents
HANGZHOU JUXING INTELLIGENT TECHNOLOGY CO., LTD.
12 patents
HANGZHOU YUSHU TECHNOLOGY CO., LTD.
12 patents
HANGZHOU BENSHENG PHARMACEUTICAL CO., LTD.
12 patents
What this shows Hangzhou holds 12 patents at rank #22,682, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #22,682 in granted patent volume.
Other assignees with the most granted patents in Hangzhou's primary technology class.
Hangzhou's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
26 Top 81% higher than 19% 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 | 4 | 33.3% |
| 2016 | 5 | 41.7% |
| 2017 | 2 | 16.7% |
| 2018 | 1 | 8.3% |
Top 5 of 5 technology areas
Overall rank by patents
#22,687
of 50,000 tracked assignees
26.0 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.