Where does Qingdao University OF Technology rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Qingdao University OF Technology ranks #2,712 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Qingdao University OF Technology hold?

Qingdao University OF Technology holds 143 US utility patents granted between 2019 and 2025, spanning 134 technology areas.

What is Qingdao University OF Technology's Innovation Score?

Qingdao University OF Technology has an Innovation Score of 67.7 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Qingdao University OF Technology's patent grant rate increasing or decreasing?

Qingdao University OF Technology's recent grant velocity is +11800% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Qingdao University OF Technology's patents?

Qingdao University OF Technology's patents average 9.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Qingdao University OF Technology patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Qingdao University OF Technology

Q: What technology areas does Qingdao University OF Technology focus on?

Qingdao University OF Technology's top technology area is Y02P (Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods) with 23 patents. Grants appear in 134 CPC subclasses total.

USPTO PatentsView assignee record - 143 granted patents across 134 technology areas, recorded in grant years 2019–2025. 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: Y02P (Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Qingdao ranks #2,712 of 49,997 tracked US assignees by granted-patent volume, with 143 patents across 134 technology areas.

#2,712
of 49,997 US assignees by volume: Top 1%
by Innovation Score (67.7/100): 9.3
avg claims per patent: +11800%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2712 · Foreign Corporation #2,712 · 143 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 143 grants
TOP-DECILE #2,712/49,997
PHOTO-FINISH Heraeus Medical
CPC-WIDE Y02P · 134 areas
INNOV-STRONG 67.7/100
CLAIMS-PAR 9.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +11800% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Heraeus Medical GmbH (±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.

Qualcomm Incorporated · highest

85
Seagate Technology · near

68
Qingdao University… · this assignee

68
Aeva · near

68
HKC · near

68
Becton Dickinson and · near

68
3D Lighting… · lowest

7

What this shows Qingdao's Innovation Score is 67.7/100 (top 1% 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.

How Qingdao's grant cadence moved

Between 2020–2024, Qingdao University OF Technology received 119 grants versus 1 in 2015–2019 (+11800% equal-window velocity, top decile growth). Across complete PatentsView years, output peaked in 2023 at 43 grants and bottomed in 2019 at 1. Lead class Y02P accounts for 16.1% of the portfolio across 134 subclasses. Volume neighbours: Hutchinson (#2,708) and Teleflex Medical Incorporated (#2,716).

Qingdao's three-year grant acceleration

From 2019–2021 to 2022–2024, Qingdao University OF Technology moved from 23 to 97 grants (4.22x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #40. See the growth leaderboard.

Hutchinson

143
Heraeus Medical

143
JRD Communication…

143
Lytx

143
Rohm and Haas Mat…

143
Stmicroelectronic…

143
Taiwan FU Hsing I…

143
Teleflex Medical…

143
Qingdao Universit… ◀

143

What this shows Qingdao holds 143 patents at rank #2,712, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Qingdao

By rank, the assignees closest to #2,712 in granted patent volume.

Leaders in Y02P (Climate Change Mitigation Technologies IN THE Production…)

Other assignees with the most granted patents in Qingdao's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Qingdao, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (68 here).

Aeva, Inc. 68 HKC Corporation Limited 68 Becton, Dickinson and Company 68 Seagate Technology LLC 68

Similar claim depth

Nearest assignees by average claims per patent (9.3 here).

Nifco Korea Inc. 9.3 avg Tokuyama Corporation 9.3 avg China University OF Petroleum (EAST CHINA) 9.3 avg Murata Machinery, Ltd. 9.3 avg

Qingdao's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

68 Top 1% higher than 99% of 49,997 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

USPTO utility patent grants by year · 2019–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2019–2019 baseline. Full figures in the table below.

View data table

Qingdao University OF Technology patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	0.7%
2020	3	2.1%
2021	19	13.3%
2022	21	14.7%
2023	43	30.1%
2024	33	23.1%
2025partial year	23	16.1%

Which technologies does Qingdao University OF Technology patent most?

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 23

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result 20

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 16

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 12

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 11

Y10T - Technical Subjects Covered BY Former US Classification 9

G06T - Image Data Processing OR Generation, IN General 9

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 8

B23C - Milling 8

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 7

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 7

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 7

G06F - Electric Digital Data Processing 7

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 7

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 6

Top 15 of 134 technology areas

Where it ranks

Overall rank by patents

#2,712

of 49,997 tracked assignees

Innovation Score

67.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Qingdao University OF Technology's patent record in context - here's where to go next.

Qingdao University OF Technology's lead technology class is Y02P (Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods), 16.1% of its portfolio - see every assignee active in that class. Explore Y02P
Ranked #2,712 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Qingdao University OF Technology against Hutchinson, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 67.7/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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.