USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Osaka CITY University

USPTO PatentsView assignee record - 33 granted patents across 41 technology areas, active 2015–2023. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: G01R (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

11.6

Avg claims per patent

-50%

5-year filing velocity

The verdict

Osaka holds 33 US patents across 41 technology areas, rank #9,576 of 50,000 tracked assignees.

#9,576
of 50,000 US assignees by volume: Top 25%
by Innovation Score (44.7/100): 11.6
avg claims per patent: -50%
filing velocity, last 5 yrs

Portfolio overview

Osaka CITY University has been granted 33 US utility patents between 2015 and 2023, placing Osaka CITY University at rank #9,576 across all assignees tracked by PlainPatent. This portfolio spans 41 distinct Cooperative Patent Classification (CPC) subclasses, averaging 11.6 claims per patent with primary concentration in G01R (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES). As a Foreign Corporation, Osaka CITY University is one of the more focused assignees in the PatentsView dataset. By volume, Osaka sits between Nomadix, Inc. (33 patents, rank #9,572) and Optical Cable Corporation (33 patents, rank #9,580) - the closest US assignees by grant volume. The composite Innovation Score of 44.7/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 11 grants, compared with 22 in the 2015–2019 window, a -50% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Osaka CITY University's 11.6 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 41 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Osaka CITY University against peers pursuing similar technology classes.

Nomadix

33
North Carolina Ag…

33
Novozymes North A…

33
Oculeve

33
OSLO Universitets…

33
OTOY

33
Oath (Americas)

33
Optical Cable

33
Osaka CITY Univer… ◀

33

What this shows Osaka holds 33 patents at rank #9,576, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Osaka

By rank, the assignees closest to #9,576 in granted patent volume.

Leaders in G01R (Measuring Electric Variables)

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

Osaka's Innovation Score vs. every tracked assignee

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

45 Top 25% higher than 75% of 50,000 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 · 2015–2023

Grants by year

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

View data table

Osaka CITY University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	6.1%
2016	5	15.2%
2017	6	18.2%
2018	7	21.2%
2019	2	6.1%
2020	5	15.2%
2021	2	6.1%
2022	1	3.0%
2023	3	9.1%

Which technologies does Osaka CITY University patent most?

G01R - MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 6

A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES 6

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 4

A61B - DIAGNOSIS; SURGERY; IDENTIFICATION 3

A61P - SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS 3

C09J - ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES 3

C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3

H01H - ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 2

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 2

F24D - DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 2

Y02B - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS 2

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 2

F24T - GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS 2

C12N - MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA 2

G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS 2

Top 15 of 41 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Multi-domain

Claim Depth Simple

Velocity Declining

Where it ranks

Overall rank by patents

#9,576

Across all tracked assignees

Innovation Score

44.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Osaka CITY University hold?

Osaka CITY University holds 33 US granted patents filed between 2015 and 2023, spanning 41 technology areas.

What is Osaka CITY University's Innovation Score?

Osaka CITY University has an Innovation Score of 44.7 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Osaka CITY University focus on?

Osaka CITY University's top technology area is G01R (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES) with 6 patents. The company has filed patents in 41 CPC subclasses total.

Is Osaka CITY University's patent filing rate increasing or decreasing?

Osaka CITY University's recent filing velocity is -50% compared to the prior five-year period. Filing activity has slowed relative to earlier years.

What does claim depth mean for Osaka CITY University's patents?

Osaka CITY University's patents average 11.6 claims each. This is relatively simple claim structure, typical for focused inventions.

How is the Osaka CITY 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.

How to use this portfolio

Osaka's 33 grants land it in the top 25% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Osaka ranks #9,576 of 50,000. Top 50 holders
Most of this portfolio concentrates in G01R - see who else leads that technology area. G01R leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.