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).

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

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. 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.

How does OKUMA compare?

Granted US patents 2015–2025 versus the largest corporate holders — this company marked ◀

patents

What this shows OKUMA holds 189 patents — placing it at rank #2,090 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

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

USPTO utility patent grants by year · 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.

Learn More

Explore the patent dataset

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.

All federal data sources used on this page
  • USPTO PatentsView — official U.S. Patent and Trademark Office bulk patent data. patentsview.org
  • USPTO Patent Application Information Retrieval (PAIR) — application status and file history. uspto.gov/patents/pair
  • USPTO Bulk Data Storage System — comprehensive patent text + claims dataset. bulkdata.uspto.gov
  • USPTO CPC Classification — Cooperative Patent Classification scheme for technology categorization. uspto.gov/cpc
  • SEC EDGAR — public filings cross-reference for assignee corporate entity matching. sec.gov/edgar
  • WIPO PATENTSCOPE — international patent context (related international filings). wipo.int/patentscope