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

According to USPTO PatentsView (2015–2025 granted utility patents), Nagasaki University, National University Corporation ranks #48,927 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

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

Nagasaki University, National University Corporation's recent grant velocity is -100% 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 Nagasaki University, National University Corporation's patents?

Nagasaki University, National University Corporation's patents average 6.2 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

Nagasaki University, National University Corporation

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

Nagasaki University, National University Corporation holds 5 US utility patents granted between 2016 and 2016, spanning 5 technology areas.

Q: What is Nagasaki University, National University Corporation's Innovation Score?

Nagasaki University, National University Corporation has an Innovation Score of 17.8 out of 100 (5th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Nagasaki University, National University Corporation's top technology area is H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof) with 4 patents, ranking #590 of 1,541 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

Q: How is the Nagasaki 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 - 5 granted patents across 5 technology areas, recorded in grant years 2016–2016. 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: H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Nagasaki ranks #48,927 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 5 technology areas.

#48,927
of 49,997 US assignees by volume: 5th percentile
by Innovation Score (17.8/100): 6.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R48927 · Foreign Corporation #48,927 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #48,927/49,997
PHOTO-FINISH Müller Martini Holding
CPC-NARROW H02M · 5 areas
INNOV-LOW 17.8/100
CLAIMS-SPARSE 6.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Müller Martini Holding AG (±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 Nagasaki’s 17.8 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 6.2 pts (35%) Velocity 0.0 pts (0%) Breadth 7.9 pts (44%) Claim depth 3.7 pts (21%)

Qualcomm Incorporated · highest

85
Nagasaki University… · this assignee

18
3D Lighting… · lowest

7

What this shows Nagasaki's Innovation Score is 17.8/100 (5th percentile 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 Nagasaki?

Each dot is one of Nagasaki’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). Nagasaki’s own 6.2 claims/patent is at or below the 14.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Nagasaki's grants concentrate

Nagasaki University, National University Corporation is a focused PatentsView assignee: 5 CPC subclasses with 80% of grants classified under H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;). By volume, Nagasaki sits between Müller Martini Holding AG and Namsung Corporation.

Müller Martini Ho…

5
N B Adventures

5
Desmet Ballestra…

5
NAD Grid

5
Naidu

5
Namesforlife

5
Nammu21

5
Namsung

5
Nagasaki Universi… ◀

5

What this shows Nagasaki holds 5 patents at rank #48,933, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nagasaki

By rank, the assignees closest to #48,933 in granted patent volume.

Leaders in H02M (Apparatus FOR Conversion Between AC AND AC)

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

Nagasaki's Innovation Score vs. every tracked assignee

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

18 5th percentile higher than 5% 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

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Nagasaki University, National University Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	5	100.0%

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

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 4

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 2

G05F - Systems FOR Regulating Electric OR Magnetic Variables 1

H03L - Automatic Control, Starting, Synchronisation OR Stabilisation OF Generators OF Electronic Oscillations OR Pulses 1

H03K - Pulse Technique 1

Top 5 of 5 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

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

Nagasaki University, National University Corporation's lead technology class is H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;), 80% of its portfolio - see every assignee active in that class. Explore H02M
Ranked #48,927 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nagasaki University, National University Corporation against Müller Martini Holding AG, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 17.8/100 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.