Where does Yokohama National University rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Yokohama National University ranks #38,404 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 Yokohama National University hold?

Yokohama National University holds 7 US utility patents granted between 2015 and 2021, spanning 12 technology areas.

What is Yokohama National University's Innovation Score?

Yokohama National University has an Innovation Score of 25.2 out of 100 (17th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Yokohama National University's recent grant velocity is -83% 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 Yokohama National University's patents?

Yokohama National University's patents average 9.6 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 Yokohama National 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

Yokohama National University

Q: What technology areas does Yokohama National University focus on?

Yokohama National University's top technology area is A63B (Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment) with 2 patents. Grants appear in 12 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 12 technology areas, recorded in grant years 2015–2021. 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: A63B (Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Yokohama ranks #38,404 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 12 technology areas.

#38,404
of 49,997 US assignees by volume: 17th percentile
by Innovation Score (25.2/100): 9.6
avg claims per patent: -83%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R38404 · Foreign Corporation #38,404 · 7 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 7 grants
LOWER-Q #38,404/49,997
PHOTO-FINISH Yang Bey Industrial
CPC-FOCUS A63B · 12 areas
INNOV-THIN 25.2/100
CLAIMS-PAR 9.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -83% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Yang Bey Industrial Co., Ltd. (±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
Yokohama National… · this assignee

25
3D Lighting… · lowest

7

What this shows Yokohama's Innovation Score is 25.2/100 (17th 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.

Where Yokohama's grants concentrate

Yokohama National University is a focused PatentsView assignee: 12 CPC subclasses with 28.6% of grants classified under A63B (Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment). Peak complete grant year is 2015 (2 grants) versus a trough of 1 in 2016. By volume, Yokohama sits between Yang Bey Industrial Co., Ltd. and YourBio Health, Inc..

Yang Bey Industri…

7
Yield10 Bioscience

7
Yikes

7
Yisheng Biopharma…

7
Yong San

7
Yost Labs

7
Youspace

7
Yourbio Health

7
Yokohama National… ◀

7

What this shows Yokohama holds 7 patents at rank #38,382, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Yokohama

By rank, the assignees closest to #38,382 in granted patent volume.

Leaders in A63B (Apparatus FOR Physical Training)

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

Yokohama's Innovation Score vs. every tracked assignee

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

25 17th percentile higher than 17% 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 · 2015–2021

Grants by year

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

View data table

Yokohama National University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	28.6%
2016	1	14.3%
2017	1	14.3%
2019	2	28.6%
2021	1	14.3%

Which technologies does Yokohama National University patent most?

A63B - Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment 2

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

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 2

G06F - Electric Digital Data Processing 1

G06T - Image Data Processing OR Generation, IN General 1

C22F - Changing THE Physical Structure OF Non-ferrous Metals AND Non-ferrous Alloys 1

C21D - Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering 1

C10M - Lubricating Compositions ; USE OF Chemical Substances Either Alone OR AS Lubricating Ingredients IN A Lubricating Composition 1

C10N - Indexing Scheme Associated With Subclass C10m Relating TO Lubricating Compositions 1

C25B - Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor 1

C07C - Acyclic OR Carbocyclic Compounds 1

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 1

Top 12 of 12 technology areas

Where it ranks

Overall rank by patents

#38,404

of 49,997 tracked assignees

Innovation Score

25.2 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

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

Yokohama National University's lead technology class is A63B (Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment), 28.6% of its portfolio - see every assignee active in that class. Explore A63B
Ranked #38,404 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Yokohama National University against Yang Bey Industrial Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.2/100 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.