PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Okuma Corporation

USPTO PatentsView assignee record - 189 granted patents across 54 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: G05B (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS).

Explore the portfolio See the ranking
189
Total patents granted
54
CPC technology areas
6.4
Avg claims per patent
+3%
5-year filing velocity

The verdict

Okuma holds 189 US patents across 54 technology areas, rank #2,090 of 50,000 tracked assignees.

#2,090
of 50,000 US assignees by volume
Top 10%
by Innovation Score (52.7/100)
6.4
avg claims per patent
+3%
filing velocity, last 5 yrs

Portfolio overview

Okuma Corporation has been granted 189 US utility patents between 2015 and 2025, placing Okuma Corporation at rank #2,090 across all assignees tracked by PlainPatent. This portfolio spans 54 distinct Cooperative Patent Classification (CPC) subclasses, averaging 6.4 claims per patent with primary concentration in G05B (CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS). As a Foreign Corporation, Okuma Corporation is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Okuma sits between Volvo Lastvagnar AB (190 patents, rank #2,086) and Ansys, Inc. (188 patents, rank #2,094) - the closest US assignees by grant volume. The composite Innovation Score of 52.7/100 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 96 grants, compared with 93 in the 2015–2019 window, a +3% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. 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. Okuma Corporation's 6.4 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 54 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Okuma Corporation against peers pursuing similar technology classes.

Who files at Okuma's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

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.

Source USPTO PatentsView, granted utility patents As of 2015–2025

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.

Okuma's Innovation Score vs. every tracked assignee

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

53 Top 10% higher than 90% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). Below this entry. 30–40: 15,294 US assignees (31%). Below this entry. 40–50: 11,491 US assignees (23%). Below this entry. 50–60: 5,058 US assignees (10%). This entry sits in this band. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

51015202530 20152016201720182019202020212022202320242025 11
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%
2025 11 5.8%

Which technologies does Okuma Corporation patent most?

Top 15 of 54 technology areas

Patent Moat Analysis

Portfolio Volume Moderate
Tech Breadth Multi-domain
Claim Depth Simple
Velocity Growing

Where it ranks

Overall rank by patents

#2,090

Across all 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?

Frequently Asked Questions

How many patents does Okuma Corporation hold?
Okuma Corporation holds 189 US granted patents filed 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. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
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. The company has filed patents in 54 CPC subclasses total.
Is Okuma Corporation's patent filing rate increasing or decreasing?
Okuma Corporation's recent filing velocity is +3% compared to the prior five-year period. The company is maintaining or growing its patent output.
What does claim depth mean for Okuma Corporation's patents?
Okuma Corporation's patents average 6.4 claims each. This is relatively simple claim structure, typical for focused inventions.
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.

How to use this portfolio

Okuma's 189 grants land it in the top 10% 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 - Okuma ranks #2,090 of 50,000. Top 50 holders
  • Most of this portfolio concentrates in G05B - see who else leads that technology area. G05B 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

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.