Where does Kwansei Gakuin Educational Foundation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kwansei Gakuin Educational Foundation ranks #5,954 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 Kwansei Gakuin Educational Foundation hold?

Kwansei Gakuin Educational Foundation holds 57 US utility patents granted between 2015 and 2025, spanning 31 technology areas.

What is Kwansei Gakuin Educational Foundation's Innovation Score?

Kwansei Gakuin Educational Foundation has an Innovation Score of 56.4 out of 100 (top 6% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kwansei Gakuin Educational Foundation's patent grant rate increasing or decreasing?

Kwansei Gakuin Educational Foundation's recent grant velocity is +443% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Kwansei Gakuin Educational Foundation's patents?

Kwansei Gakuin Educational Foundation's patents average 13.9 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 Kwansei Gakuin Educational Foundation 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

Kwansei Gakuin Educational Foundation

Q: What technology areas does Kwansei Gakuin Educational Foundation focus on?

Kwansei Gakuin Educational Foundation's top technology area is C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI) with 30 patents, ranking #21 of 414 assignees active in that subclass. Grants appear in 31 CPC subclasses total.

USPTO PatentsView assignee record - 57 granted patents across 31 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: C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kwansei ranks #5,954 of 49,997 tracked US assignees by granted-patent volume, with 57 patents across 31 technology areas.

#5,954
of 49,997 US assignees by volume: Top 6%
by Innovation Score (56.4/100): 13.9
avg claims per patent: +443%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5954 · Foreign Corporation #5,954 · 57 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 57 grants
UPPER-Q #5,954/49,997
PHOTO-FINISH Ironburg Inventions
CPC-FOCUS C30B · 31 areas
INNOV-PAR 56.4/100
CLAIMS-RICH 13.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +443% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ironburg Inventions Limited (±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 Kwansei’s 56.4 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 14.0 pts (25%) Velocity 14.4 pts (25%) Breadth 19.7 pts (35%) Claim depth 8.4 pts (15%)

Qualcomm Incorporated · highest

85
University of Maryland · near

56
Blue River Technology · near

56
Kwansei Gakuin… · this assignee

56
Kent State University · near

56
Matthews International · near

56
3D Lighting… · lowest

7

What this shows Kwansei's Innovation Score is 56.4/100 (top 6% 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 Kwansei?

Each dot is one of Kwansei’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). Kwansei’s own 13.9 claims/patent is at or below the 15.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kwansei's grants concentrate

Kwansei Gakuin Educational Foundation is a focused PatentsView assignee: 31 CPC subclasses with 52.6% of grants classified under C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys). Peak complete grant year is 2024 (12 grants) versus a trough of 1 in 2015. By volume, Kwansei sits between Ironburg Inventions Limited and Mastercard Technologies Canada ULC.

Kwansei's three-year grant acceleration

Kwansei Gakuin Educational Foundation shows 28 grants in 2022–2024 against only 13 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.

Ironburg Inventio…

57
Japan Cash Machine

57
Jenavalve Technol…

57
Koganei

57
Kyosan Electric M…

57
La-z-boy Incorpor…

57
Lyondell Chemical…

57
Mastercard Canada…

57
Kwansei Gakuin Ed… ◀

57

What this shows Kwansei holds 57 patents at rank #5,952, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kwansei

By rank, the assignees closest to #5,952 in granted patent volume.

Leaders in C30B (Single-crystal Growth)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kwansei, neither rank-band nor same-CPC leaders (those blocks stay above). In C30B (Single-crystal Growth), Kwansei ranks #21 of 414 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (56 here).

Blue River Technology Inc. 56 Matthews International Corporation 56 Kent State University 56 University of Maryland 56

Similar claim depth

Nearest assignees by average claims per patent (13.9 here).

AAC Optics Solutions Pte. Ltd. 13.9 avg Venus Medtech (HANGZHOU), Inc. 13.9 avg Galvani Bioelectronics Limited 13.9 avg McLaren Automotive Limited 13.9 avg

Kwansei's Innovation Score vs. every tracked assignee

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

56 Top 6% higher than 94% 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

Kwansei Gakuin Educational Foundation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	1.8%
2018	3	5.3%
2019	3	5.3%
2020	7	12.3%
2021	3	5.3%
2022	6	10.5%
2023	10	17.5%
2024	12	21.1%
2025partial year	12	21.1%

Which technologies does Kwansei Gakuin Educational Foundation patent most?

C30B - Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI 30

H01L - Semiconductor Devices NOT Covered BY Class H10 29

H10K - Organic Electric Solid-state Devices 23

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 19

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 17

H10D - Inorganic Electric Semiconductor Devices 11

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 10

G09F - DISPLAYING; ADVERTISING; SIGNS; Labels OR NAME-PLATES; Seals 6

C07D - Heterocyclic Compounds 4

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 3

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 2

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 2

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 2

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 2

H01J - Electric Discharge Tubes OR Discharge Lamps 2

Top 15 of 31 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

Kwansei Gakuin Educational Foundation's patent record in context - here's where to go next.

Kwansei Gakuin Educational Foundation's lead technology class is C30B (Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrys), 52.6% of its portfolio - see every assignee active in that class. Explore C30B
Ranked #5,954 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kwansei Gakuin Educational Foundation against Ironburg Inventions Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 56.4/100 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.