Where does Okuma Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Okuma Corporation ranks #2,090 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 Okuma Corporation hold?

Okuma Corporation holds 189 US utility patents granted between 2015 and 2025, spanning 54 technology areas.

What is Okuma Corporation's Innovation Score?

Okuma Corporation has an Innovation Score of 52.7 out of 100 (top 10% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Okuma Corporation's patent grant rate increasing or decreasing?

Okuma Corporation's recent grant velocity is -9% 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 Okuma Corporation's patents?

Okuma Corporation's patents average 6.4 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 Okuma Corporation 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

Okuma Corporation

Q: What technology areas does Okuma Corporation focus on?

Okuma Corporation's top technology area is G05B (Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements) with 89 patents. Grants appear in 54 CPC subclasses total.

USPTO PatentsView assignee record - 189 granted patents across 54 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: G05B (Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Okuma ranks #2,090 of 49,997 tracked US assignees by granted-patent volume, with 189 patents across 54 technology areas.

#2,090
of 49,997 US assignees by volume: Top 10%
by Innovation Score (52.7/100): 6.4
avg claims per patent: -9%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2090 · Foreign Corporation #2,090 · 189 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-FLAT · BOOK-FULL

GRANTS-MID 189 grants
TOP-DECILE #2,090/49,997
PHOTO-FINISH Allscripts Software
CPC-WIDE G05B · 54 areas
INNOV-PAR 52.7/100
CLAIMS-SPARSE 6.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT -9% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Allscripts Software, LLC (±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
ABB Power Grids… · near

53
Genetec · near

53
Lashify · near

53
Okuma · this assignee

53
Omniscient Neurotech… · near

53
3D Lighting… · lowest

7

What this shows Okuma's Innovation Score is 52.7/100 (top 10% 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.

How Okuma's grant cadence moved

Between 2020–2024, Okuma Corporation received 85 grants versus 93 in 2015–2019 (-9% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2015 at 28 grants and bottomed in 2016 at 10. Lead class G05B accounts for 47.1% of the portfolio across 54 subclasses. Volume neighbours: Volvo Lastvagnar AB (#2,086) and Ansys, Inc. (#2,094).

Okuma's three-year grant acceleration

From 2019–2021 to 2022–2024, Okuma Corporation moved from 56 to 48 grants (0.86x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,641. See the growth leaderboard.

Volvo Lastvagnar…

190
Allscripts Softwa…

189
Chiesi Farmaceuti…

189
GN Audio A/S

189
Polycom

189
Reckitt Benckiser…

189
Tyco Japan G K

189
Okuma ◀

189
Ansys

188

What this shows Okuma holds 189 patents at rank #2,090, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Okuma

By rank, the assignees closest to #2,090 in granted patent volume.

Leaders in G05B (Control OR Regulating Systems IN General)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Okuma, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (53 here).

Omniscient Neurotechnology Pty Limited 53 ABB Power Grids Switzerland AG 53 Lashify, Inc. 53 Genetec Inc. 53

Similar claim depth

Nearest assignees by average claims per patent (6.4 here).

Keter Plastic Ltd. 6.4 avg Mitsui Kinzoku ACT Corporation 6.4 avg Brita LP 6.4 avg Polyplastics Co., Ltd. 6.4 avg

Okuma's Innovation Score vs. every tracked assignee

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

53 Top 10% higher than 90% 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

Okuma Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	28	14.8%
2016	10	5.3%
2017	14	7.4%
2018	22	11.6%
2019	19	10.1%
2020	17	9.0%
2021	20	10.6%
2022	14	7.4%
2023	18	9.5%
2024	16	8.5%
2025partial year	11	5.8%

Which technologies does Okuma Corporation patent most?

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 89

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result 77

Y10T - Technical Subjects Covered BY Former US Classification 26

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 20

H02P - Control OR Regulation OF Electric Motors, Electric Generators OR Dynamo-electric CONVERTERS; Controlling Transformers, Reactors OR Choke Coils 17

B23B - TURNING; Boring 17

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 15

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 14

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 12

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR 11

H02K - Dynamo-electric Machines 9

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 7

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 6

G06N - Computing Arrangements Based ON Specific Computational Models 5

B23C - Milling 5

Top 15 of 54 technology areas

Where it ranks

Overall rank by patents

#2,090

of 49,997 tracked assignees

Innovation Score

52.7 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

Okuma Corporation's patent record in context - here's where to go next.

Okuma Corporation's lead technology class is G05B (Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements), 47.1% of its portfolio - see every assignee active in that class. Explore G05B
Ranked #2,090 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Okuma Corporation against Volvo Lastvagnar AB, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.7/100 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.