Where does National University Corporation Gunma University rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), National University Corporation Gunma University ranks #4,900 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 National University Corporation Gunma University's Innovation Score?

National University Corporation Gunma University has an Innovation Score of 50.3 out of 100 (top 13% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

National University Corporation Gunma University's recent grant velocity is -16% 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 National University Corporation Gunma University's patents?

National University Corporation Gunma University'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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

National University Corporation Gunma University

Q: How many patents does National University Corporation Gunma University hold?

National University Corporation Gunma University holds 71 US utility patents granted between 2015 and 2025, spanning 62 technology areas.

Q: What technology areas does National University Corporation Gunma University focus on?

National University Corporation Gunma University's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 19 patents. Grants appear in 62 CPC subclasses total.

Q: How is the National University Corporation Gunma 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 PatentsView assignee record - 71 granted patents across 62 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, National ranks #4,900 of 49,997 tracked US assignees by granted-patent volume, with 71 patents across 62 technology areas.

#4,900
of 49,997 US assignees by volume: Top 13%
by Innovation Score (50.3/100): 9.3
avg claims per patent: -16%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4900 · Foreign Corporation #4,900 · 71 grants

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

GRANTS-SMALL 71 grants
TOP-DECILE #4,900/49,997
PHOTO-FINISH Manitowoc Crane…
CPC-WIDE Y02E · 62 areas
INNOV-PAR 50.3/100
CLAIMS-PAR 9.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -16% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Manitowoc Crane Companies, 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.

Qualcomm Incorporated · highest

85
Medartis · near

50
Nasdaq · near

50
National University… · near

50
National University… · this assignee

50
Wagner Spray Tech · near

50
3D Lighting… · lowest

7

What this shows National's Innovation Score is 50.3/100 (top 13% 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 National's grant cadence moved

Between 2020–2024, National University Corporation Gunma University received 32 grants versus 38 in 2015–2019 (-16% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2015 at 10 grants and bottomed in 2017 at 3. Lead class Y02E accounts for 26.8% of the portfolio across 62 subclasses. Volume neighbours: MOR Research Applications Ltd. (#4,896) and Ohio State University (#4,904).

National's three-year grant acceleration

From 2019–2021 to 2022–2024, National University Corporation Gunma University moved from 24 to 18 grants (0.75x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

MOR Research Appl…

71
Manitowoc Crane C…

71
Matthews Internat…

71
Mcalister

71
National Universi…

71
NGM Biopharmaceut…

71
Nuvera Fuel Cells

71
Ohio State Univer…

71
National Universi… ◀

71

What this shows National holds 71 patents at rank #4,900, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near National

By rank, the assignees closest to #4,900 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (50 here).

Wagner Spray Tech Corporation 50 National University Corporation University of Toyama 50 Nasdaq, Inc. 50 Medartis AG 50

Similar claim depth

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

DAS Co., Ltd. 9.3 avg Tokuyama Corporation 9.3 avg China University OF Petroleum (EAST CHINA) 9.3 avg Murata Machinery, Ltd. 9.3 avg

National's Innovation Score vs. every tracked assignee

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

50 Top 13% higher than 87% 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

National University Corporation Gunma University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	10	14.1%
2016	7	9.9%
2017	3	4.2%
2018	8	11.3%
2019	10	14.1%
2020	10	14.1%
2021	4	5.6%
2022	8	11.3%
2023	6	8.5%
2024	4	5.6%
2025partial year	1	1.4%

Which technologies does National University Corporation Gunma University patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 19

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 15

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 12

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 12

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 11

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 9

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 8

C07K - Peptides 8

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 7

C07H - SUGARS; Derivatives THEREOF; NUCLEOSIDES; NUCLEOTIDES; Nucleic Acids 6

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 5

Y10T - Technical Subjects Covered BY Former US Classification 5

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 5

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 5

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 4

Top 15 of 62 technology areas

Where it ranks

Overall rank by patents

#4,900

of 49,997 tracked assignees

Innovation Score

50.3 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

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

National University Corporation Gunma University's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 26.8% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #4,900 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare National University Corporation Gunma University against MOR Research Applications Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 50.3/100 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.