Overall rank by patents
#21,203
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 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: A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS).
The verdict
According to USPTO PatentsView, Guangzhou ranks #21,203 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 7 technology areas.
USPTO PatentsView assignee plate
Corpus R21203 · Foreign Corporation #21,203 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Gas Sensing Tech Corp (±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
Adaptive Computing E… · near
32 score
Aircraft Medical · near
32 score
Colorado Energy Rese… · near
32 score
Guangzhou Cellprotek… · this assignee
32 score
C Rob Hammerstein & KG · near
32 score
3D Lighting Innovati… · lowest
7 score
What this shows Guangzhou's Innovation Score is 32.4/100 (top 59% 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.
Guangzhou Cellprotek Pharmaceutical Co., Ltd is a focused PatentsView assignee: 7 CPC subclasses with 76.9% of grants classified under A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS). Peak complete grant year is 2016 (3 grants) versus a trough of 1 in 2015. By volume, Guangzhou sits between Growlerwerks, Inc. and Gatesair, Inc..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
GROWLERWERKS, INC.
13 patents
GSI Outdoors, Inc.
13 patents
GUANGDONG RAYNOVENT BIOTECH CO., LTD.
13 patents
GUANGDONG XINBAO ELECTRICAL APPLIANCES HOLDINGS CO., LTD.
13 patents
GUANGZHOU HUIYUE TECHNOLOGY DEVELOPMENT CO., LTD.
13 patents
GUILIN UNIVERSITY OF TECHNOLOGY
13 patents
Gas Sensing Tech Corp
13 patents
GatesAir, Inc.
13 patents
GUANGZHOU CELLPROTEK PHARMACEUTICAL CO., LTD
13 patents
What this shows Guangzhou holds 13 patents at rank #21,180, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,180 in granted patent volume.
Other assignees with the most granted patents in Guangzhou's primary technology class.
Two PlainPatent-derived peer sets for Guangzhou, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (32 here).
Guangzhou's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
32 Top 59% higher than 41% 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 | 7.7% |
| 2016 | 3 | 23.1% |
| 2017 | 1 | 7.7% |
| 2018 | 2 | 15.4% |
| 2019 | 1 | 7.7% |
| 2020 | 1 | 7.7% |
| 2022 | 1 | 7.7% |
| 2023 | 1 | 7.7% |
| 2024 | 1 | 7.7% |
| 2025partial year | 1 | 7.7% |
Top 7 of 7 technology areas
Overall rank by patents
#21,203
of 50,000 tracked assignees
32.4 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.