Oyama, Japan

Masato Kageyama

This inventor holds 27 USPTO granted patents and 2 published patent applications, primarily in Hydraulic Systems. Top assignees: Komatsu Corporation, Nippon Steel Sumitomo Metal Corporation. Active years: 2000-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Kageyama. Retrieved from https://idiyas.com/inventor/masato-kageyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 27 

% Patents Active = 85.2

Average Co-Inventor Count = 1.8

ph-index = 13

Forward Citations = 685(Granted Patents)


Location History:

  • Tochigi, JP (2006 - 2010)
  • Oyama, JP (2000 - 2020)
  • Tokyo, JP (2017 - 2021)

Company Filing History:


Years Active: 2000-2026

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Areas of Expertise:
Hydraulic Cylinder
Power Feeding Unit
Oil Filter
Stroke Detection
Differential Pressure Sensor
Vehicle Guidance
Automatic Traveling Vehicle
Obstacle Detection
Vehicle Monitoring
Interference Prevention
Hot Dip Plating
Filter State Estimation
27 patents (USPTO):Explore Patents

Title: **Masato Kageyama: Innovator in Hydraulic Technology**

Introduction

Masato Kageyama is a prominent inventor based in Oyama, Japan, known for his significant contributions to hydraulic technology. With an impressive portfolio of 25 patents, his work has played a crucial role in advancing the efficiency and functionality of hydraulic systems.

Latest Patents

Among his latest innovations are two notable patents. The first is an **Operation Lever**, which features a unique design that includes a pair of rods arranged at point-symmetrical positions concerning an operation axis. This lever incorporates magnets placed on the rods and uses magnetic sensors positioned at line-symmetrical locations relative to a secondary line, which enhances its operational precision.

The second patent is a **Hydraulic Cylinder Spool Valve Device**, designed to extend and retract the cylinder rod of a hydraulic cylinder effectively. This device comprises a first spool valve with a defined dead band and opening characteristic, alongside a second spool valve that operates under similar principles. The innovation lies in the controller's ability to communicate with the hydraulic cylinder using both spool valves, adjusting characteristically for optimal performance within their respective dead bands.

Career Highlights

Masato Kageyama has made meaningful contributions during his time at several notable companies. He gained valuable experience at **Komatsu Corporation** and **Nippon Steel & Sumitomo Metal Corporation**, where he honed his skills and expanded his knowledge in hydraulic systems and technology.

Collaborations

Kageyama has collaborated with esteemed colleagues in his field, including Masanori Tojima and Kiyoshi Kaneko. Together, they have worked on fostering innovation and enhancing hydraulic technologies, contributing significantly to their respective projects and organizations.

Conclusion

Masato Kageyama's dedication to innovation and invention is evident through his patents and career achievements. His work continues to influence the hydraulic industry, making him a key figure among inventors in Japan. As technology advances, Kageyama's contributions will likely remain integral to future developments in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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