Where does Ookuma Electronic Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ookuma Electronic Co., Ltd. ranks #49,324 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 Ookuma Electronic Co., Ltd. hold?

Ookuma Electronic Co., Ltd. holds 5 US utility patents granted between 2015 and 2017, spanning 13 technology areas.

What is Ookuma Electronic Co., Ltd.'s Innovation Score?

Ookuma Electronic Co., Ltd. has an Innovation Score of 20.6 out of 100 (7th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ookuma Electronic Co., Ltd.'s patent grant rate increasing or decreasing?

Ookuma Electronic Co., Ltd.'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 Ookuma Electronic Co., Ltd.'s patents?

Ookuma Electronic Co., Ltd.'s patents average 2.8 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 Ookuma Electronic Co., Ltd. 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

Ookuma Electronic Co., Ltd.

Q: What technology areas does Ookuma Electronic Co., Ltd. focus on?

Ookuma Electronic Co., Ltd.'s top technology area is A61J (Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle) with 5 patents, ranking #204 of 903 assignees active in that subclass. Grants appear in 13 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 13 technology areas, recorded in grant years 2015–2017. 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: A61J (Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices ).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ookuma ranks #49,324 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 13 technology areas.

#49,324
of 49,997 US assignees by volume: 7th percentile
by Innovation Score (20.6/100): 2.8
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49324 · Foreign Corporation #49,324 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,324/49,997
PHOTO-FINISH Oncobeta International
CPC-FOCUS A61J · 13 areas
INNOV-THIN 20.6/100
CLAIMS-SPARSE 2.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Oncobeta International GMBH (±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 Ookuma’s 20.6 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 (30%) Velocity 0.0 pts (0%) Breadth 12.7 pts (62%) Claim depth 1.7 pts (8%)

Qualcomm Incorporated · highest

85
Ookuma · this assignee

21
3D Lighting… · lowest

7

What this shows Ookuma's Innovation Score is 20.6/100 (7th 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 Ookuma?

Each dot is one of Ookuma’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). Ookuma’s own 2.8 claims/patent is at or below the 17.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Ookuma's grants concentrate

Ookuma Electronic Co., Ltd. is a focused PatentsView assignee: 13 CPC subclasses with 100% of grants classified under A61J (Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices ). Peak complete grant year is 2015 (3 grants) versus a trough of 2 in 2017. By volume, Ookuma sits between Oncobeta International GMBH and Opgen, Inc..

Oncobeta Internat…

5
Oncotracker

5
Oniris

5
Onset Computer Co…

5
Op-d-op

5
OP-T

5
Openrov

5
Opgen

5
Ookuma ◀

5

What this shows Ookuma holds 5 patents at rank #49,279, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ookuma

By rank, the assignees closest to #49,279 in granted patent volume.

Leaders in A61J (Containers Specially Adapted FOR Medical OR Pharmaceutica…)

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

Ookuma's Innovation Score vs. every tracked assignee

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

21 7th percentile higher than 7% 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 · 2015–2017

Grants by year

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

View data table

Ookuma Electronic Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	60.0%
2017	2	40.0%

Which technologies does Ookuma Electronic Co., Ltd. patent most?

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 5

G06V - Image OR Video Recognition OR Understanding 3

B65B - Machines, Apparatus OR Devices FOR, OR Methods OF, Packaging Articles OR MATERIALS; Unpacking 2

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 2

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 2

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports 1

A61B - DIAGNOSIS; SURGERY; Identification 1

B65C - Labelling OR Tagging Machines, Apparatus, OR Processes 1

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 1

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 1

G01C - Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry 1

H04N - Pictorial Communication, e.g. Television 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

Top 13 of 13 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

Ookuma Electronic Co., Ltd.'s patent record in context - here's where to go next.

Ookuma Electronic Co., Ltd.'s lead technology class is A61J (Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices ), 100% of its portfolio - see every assignee active in that class. Explore A61J
Ranked #49,324 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ookuma Electronic Co., Ltd. against Oncobeta International GMBH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.6/100 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.