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

According to USPTO PatentsView (2015–2025 granted utility patents), National University Corporation Tottori University ranks #6,819 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 Tottori University's Innovation Score?

National University Corporation Tottori University has an Innovation Score of 51.1 out of 100 (top 12% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

National University Corporation Tottori University's recent grant velocity is +25% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

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

National University Corporation Tottori University's patents average 11.2 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

National University Corporation Tottori University

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

National University Corporation Tottori University holds 49 US utility patents granted between 2015 and 2025, spanning 50 technology areas.

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

National University Corporation Tottori University's top technology area is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations) with 21 patents, ranking #933 of 6,058 assignees active in that subclass. Grants appear in 50 CPC subclasses total.

Q: How is the National University Corporation Tottori 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 - 49 granted patents across 50 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: A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, National ranks #6,819 of 49,997 tracked US assignees by granted-patent volume, with 49 patents across 50 technology areas.

#6,819
of 49,997 US assignees by volume: Top 12%
by Innovation Score (51.1/100): 11.2
avg claims per patent: +25%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6819 · Foreign Corporation #6,819 · 49 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-SMALL 49 grants
UPPER-Q #6,819/49,997
PHOTO-FINISH Medtronic PS Medical
CPC-WIDE A61P · 50 areas
INNOV-PAR 51.1/100
CLAIMS-PAR 11.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +25% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Medtronic PS Medical, 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 National’s 51.1 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 13.5 pts (26%) Velocity 5.8 pts (11%) Breadth 25.0 pts (49%) Claim depth 6.7 pts (13%)

Qualcomm Incorporated · highest

85
Edjx · near

51
Equifax · near

51
GE OIL & GAS UK · near

51
National University… · this assignee

51
Xiamen Solex… · near

51
3D Lighting… · lowest

7

What this shows National's Innovation Score is 51.1/100 (top 12% 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 National?

Each dot is one of National’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). National’s own 11.2 claims/patent is at or below the 13.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

How National's grant cadence moved

Between 2020–2024, National University Corporation Tottori University received 25 grants versus 20 in 2015–2019 (+25% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2020 at 8 grants and bottomed in 2016 at 3. Lead class A61P accounts for 42.9% of the portfolio across 50 subclasses. Volume neighbours: Medtronic PS Medical, Inc. (#6,814) and Neutron Holdings, Inc. (#6,822).

National's three-year grant acceleration

National University Corporation Tottori University shows 14 grants in 2022–2024 against only 16 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.

Medtronic PS Medi…

49
Metawave

49
Mitsubishi Logisn…

49
Myongji Universit…

49
Nikon Vision

49
National Guard He…

49
Natuzzi S p A

49
Neutron Holdings

49
National Universi… ◀

49

What this shows National holds 49 patents at rank #6,818, 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 #6,818 in granted patent volume.

Leaders in A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…)

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). In A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…), National ranks #933 of 6,058 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (51 here).

GE OIL & GAS UK Ltd 51 Equifax Inc. 51 Edjx, Inc. 51 Xiamen Solex High-Tech Industries Co., Ltd. 51

National's Innovation Score vs. every tracked assignee

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

51 Top 12% higher than 88% 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 Tottori University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	8.2%
2016	3	6.1%
2017	5	10.2%
2018	3	6.1%
2019	5	10.2%
2020	8	16.3%
2021	3	6.1%
2022	6	12.2%
2023	3	6.1%
2024	5	10.2%
2025partial year	4	8.2%

Which technologies does National University Corporation Tottori University patent most?

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 21

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 20

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 17

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals 8

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 8

C07K - Peptides 6

C07D - Heterocyclic Compounds 4

A61B - DIAGNOSIS; SURGERY; Identification 4

C07H - SUGARS; Derivatives THEREOF; NUCLEOSIDES; NUCLEOTIDES; Nucleic Acids 3

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 3

B09B - Disposal OF Solid Waste NOT Otherwise Provided FOR 2

A62D - Chemical Means FOR Extinguishing Fires OR FOR Combating OR Protecting Against Harmful Chemical AGENTS; Chemical Materials FOR USE IN Breathing Apparatus 2

Y02A - Technologies FOR Adaptation TO Climate Change 2

G06T - Image Data Processing OR Generation, IN General 2

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 2

Top 15 of 50 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

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

National University Corporation Tottori University's lead technology class is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations), 42.9% of its portfolio - see every assignee active in that class. Explore A61P
Ranked #6,819 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare National University Corporation Tottori University against Medtronic PS Medical, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 51.1/100 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.