Where does Kyushu University, National University Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kyushu University, National University Corporation ranks #1,586 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

What is Kyushu University, National University Corporation's Innovation Score?

Kyushu University, National University Corporation 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%).

What technology areas does Kyushu University, National University Corporation focus on?

Kyushu University, National University Corporation's top technology area is C07D (Heterocyclic Compounds) with 47 patents, ranking #168 of 3,165 assignees active in that subclass. Grants appear in 145 CPC subclasses total.

Is Kyushu University, National University Corporation's patent grant rate increasing or decreasing?

Kyushu University, National University Corporation's recent grant velocity is -18% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Kyushu University, National University Corporation's patents?

Kyushu University, National University Corporation's patents average 12.0 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Kyushu University, National University Corporation

Q: How many patents does Kyushu University, National University Corporation hold?

Kyushu University, National University Corporation holds 261 US utility patents granted between 2015 and 2025, spanning 145 technology areas.

Q: How is the Kyushu University, National University Corporation 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 PatentsView assignee record - 261 granted patents across 145 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: C07D (Heterocyclic Compounds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kyushu ranks #1,586 of 49,997 tracked US assignees by granted-patent volume, with 261 patents across 145 technology areas.

#1,586
of 49,997 US assignees by volume: Top 4%
by Innovation Score (58.9/100): 12.0
avg claims per patent: -18%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1586 · Foreign Corporation #1,586 · 261 grants

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

GRANTS-MID 261 grants
TOP-DECILE #1,586/49,997
PHOTO-FINISH Beth Israel…
CPC-WIDE C07D · 145 areas
INNOV-PAR 58.9/100
CLAIMS-RICH 12.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -18% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Beth Israel Deaconess Medical Center, 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.

How Kyushu’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 19.2 pts (33%) Velocity 7.4 pts (13%) Breadth 25.0 pts (43%) Claim depth 7.2 pts (12%)

Qualcomm Incorporated · highest

85
Aesculap · near

59
Kyushu University… · this assignee

59
Quick Quack Car… · near

59
Sanyo Electric · near

59
Rain Bird · near

59
3D Lighting… · lowest

7

What this shows Kyushu'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 Kyushu?

Each dot is one of Kyushu’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). Kyushu’s own 12.0 claims/patent is at or below the 16.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

How Kyushu's grant cadence moved

Between 2020–2024, Kyushu University, National University Corporation received 111 grants versus 135 in 2015–2019 (-18% equal-window velocity, at median growth). Across complete PatentsView years, output peaked in 2015 at 30 grants and bottomed in 2023 at 16. Lead class C07D accounts for 18% of the portfolio across 145 subclasses. Volume neighbours: The Lubrizol Corporation (#1,582) and Thermo Fisher Scientific (BREMEN) GMBH (#1,590).

Kyushu's three-year grant acceleration

From 2019–2021 to 2022–2024, Kyushu University, National University Corporation moved from 64 to 71 grants (1.11x 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 #941. See the growth leaderboard.

The Lubrizol

262
Unisantis Singapo…

262
Beth Israel Deaco…

261
Ememory Technology

261
Sharp Laboratorie…

261
Kyushu University… ◀

261
Brocade Communica…

260
Eagle Technology

260
Thermo Fisher Sci…

260

What this shows Kyushu holds 261 patents at rank #1,586, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kyushu

By rank, the assignees closest to #1,586 in granted patent volume.

Leaders in C07D (Heterocyclic Compounds)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kyushu, neither rank-band nor same-CPC leaders (those blocks stay above). In C07D (Heterocyclic Compounds), Kyushu ranks #168 of 3,165 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (59 here).

Aesculap AG 59 Sanyo Electric Co., Ltd. 59 Quick Quack Car Wash Holdings, LLC 59 Rain Bird Corporation 59

Similar claim depth

Nearest assignees by average claims per patent (12.0 here).

UBE Industries, Ltd. 12.0 avg Hella GmbH & Co. KGaA 12.0 avg Stanley Electric Co., Ltd. 12.0 avg Mitsubishi Aircraft Corporation 12.0 avg

Kyushu'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 · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Kyushu University, National University Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	30	11.5%
2016	29	11.1%
2017	22	8.4%
2018	30	11.5%
2019	24	9.2%
2020	21	8.0%
2021	19	7.3%
2022	25	9.6%
2023	16	6.1%
2024	30	11.5%
2025partial year	15	5.7%

Which technologies does Kyushu University, National University Corporation patent most?

C07D - Heterocyclic Compounds 47

H10K - Organic Electric Solid-state Devices 44

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 37

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 33

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 32

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 31

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 28

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 27

C07C - Acyclic OR Carbocyclic Compounds 26

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 24

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 19

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 18

B01D - Separation 18

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 18

C07K - Peptides 17

Top 15 of 145 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

Kyushu University, National University Corporation's patent record in context - here's where to go next.

Kyushu University, National University Corporation's lead technology class is C07D (Heterocyclic Compounds), 18% of its portfolio - see every assignee active in that class. Explore C07D
Ranked #1,586 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kyushu University, National University Corporation against The Lubrizol Corporation, 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.