Where does Hangzhou City University rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hangzhou City University ranks #12,960 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 Hangzhou City University hold?

Hangzhou City University holds 23 US utility patents granted between 2023 and 2025, spanning 42 technology areas.

What is Hangzhou City University's Innovation Score?

Hangzhou City University has an Innovation Score of 58.9 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hangzhou City University's patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Hangzhou City University.

What does claim depth mean for Hangzhou City University's patents?

Hangzhou City University's patents average 8.3 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 Hangzhou City University 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

Hangzhou City University

Q: What technology areas does Hangzhou City University focus on?

Hangzhou City University's top technology area is H05H (Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams) with 3 patents, ranking #130 of 380 assignees active in that subclass. Grants appear in 42 CPC subclasses total.

USPTO PatentsView assignee record - 23 granted patents across 42 technology areas, recorded in grant years 2023–2025. 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: H05H (Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hangzhou ranks #12,960 of 49,997 tracked US assignees by granted-patent volume, with 23 patents across 42 technology areas.

#12,960
of 49,997 US assignees by volume: Top 4%
by Innovation Score (58.9/100): 8.3
avg claims per patent

USPTO PatentsView assignee plate

Corpus R12960 · Foreign Corporation #12,960 · 23 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-SMALL 23 grants
MID-PACK #12,960/49,997
PHOTO-FINISH Global Bioenergies
CPC-WIDE H05H · 42 areas
INNOV-PAR 58.9/100
CLAIMS-PAR 8.3 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2023–2025 · 3y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Global Bioenergies (±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.

How Hangzhou’s 58.9 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 11.0 pts (19%) Velocity 20.0 pts (34%) Breadth 22.9 pts (39%) Claim depth 5.0 pts (8%)

Qualcomm Incorporated · highest

85
Hangzhou City… · this assignee

59
3D Lighting… · lowest

7

What this shows Hangzhou's Innovation Score is 58.9/100 (top 4% 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.

Does more volume mean deeper claims for Hangzhou?

Each dot is one of Hangzhou’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Hangzhou’s own 8.3 claims/patent is at or below the 18.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Hangzhou vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Hangzhou's grants concentrate

Hangzhou City University is a focused PatentsView assignee: 42 CPC subclasses with 13% of grants classified under H05H (Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams). Peak complete grant year is 2024 (11 grants) versus a trough of 5 in 2023. By volume, Hangzhou sits between Global Bioenergies and HHeLi, LLC.

Hangzhou's three-year grant acceleration

Hangzhou City University shows 16 grants in 2022–2024 against only 0 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Global Bioenergies

23
Green Hills Softw…

23
Guangzhou Songxia…

23
HAL Laboratory

23
Harvatek

23
HFA

23
Hgst Santa Ana

23
Hheli

23
Hangzhou City Uni… ◀

23

What this shows Hangzhou holds 23 patents at rank #12,957, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hangzhou

By rank, the assignees closest to #12,957 in granted patent volume.

Leaders in H05H (Plasma Technique)

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)

59 Top 4% higher than 96% 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 · 2023–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2023–2019 baseline. Full figures in the table below.

View data table

Hangzhou City University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2023	5	21.7%
2024	11	47.8%
2025partial year	7	30.4%

Which technologies does Hangzhou City University patent most?

H05H - Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams 3

B64C - AEROPLANES; Helicopters 2

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 2

E21D - SHAFTS; TUNNELS; GALLERIES; Large Underground Chambers 2

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 2

F15B - Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR 2

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 2

Y02A - Technologies FOR Adaptation TO Climate Change 2

Y02T - Climate Change Mitigation Technologies Related TO Transportation 1

F05D - Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants 1

F02K - Jet-propulsion Plants 1

B60F - Vehicles FOR USE Both ON Rail AND ON ROAD; Amphibious OR Like VEHICLES; Convertible Vehicles 1

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft 1

Top 15 of 42 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Hangzhou City University's patent record in context - here's where to go next.

Hangzhou City University's lead technology class is H05H (Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams), 13% of its portfolio - see every assignee active in that class. Explore H05H
Ranked #12,960 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hangzhou City University against Global Bioenergies, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.9/100 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.