Higashiosaka, Japan

Shigetomo Matsui

This inventor holds 24 USPTO granted patents, primarily in Composite Structures. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Sumitomo Metal Industries, Inc., Chubu Electric Power Company, Inc.. Active years: 1977-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigetomo Matsui. Retrieved from https://idiyas.com/inventor/shigetomo-matsui

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

Calculating rank

% Patents Active = 95.8

Average Co-Inventor Count = 3.7

ph-index = 11

Forward Citations = 355(Granted Patents)


Location History:

  • Kobe, JA (1977)
  • Kobe, JP (1979 - 1982)
  • Osaka, JP (1988 - 1989)
  • Higashiosaka, JP (1984 - 1995)

Company Filing History:


Years Active: 1977-2026

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Areas of Expertise:
Composite Structures
Power Supply Device
High Pressure Injection Nozzle
Welding Methods
Silicon Carbide Nozzle
Thermoplastic Methods
Corrosion-Resistant Couplings
Metal Tubing
Seam-Welded Metal
Manufacturing Processes
Anchor-Bonded Structures
Electron Beam Welding
24 patents (USPTO):Explore Patents

Title: Innovations of Shigetomo Matsui in Patents and Engineering

Introduction

Shigetomo Matsui, a prolific inventor based in Higashiosaka, Japan, has made significant contributions to the fields of engineering and technology. With a remarkable portfolio of 23 patents, Matsui's work reflects a commitment to innovation and improvement in various applications.

Latest Patents

Matsui's latest inventions include a power supply system and a high pressure injection nozzle. The power supply system comprises a movable power supply device that integrates a first power storage device, while a robot incorporates a second power storage device. The controlling mechanism facilitates the transfer of power storage based on the energy levels detected in the robot's storage system. Meanwhile, the high pressure injection nozzle is engineered from a super hard alloy, specifically designed for enhanced abrasion resistance. This innovative nozzle features a composition of tungsten carbide and other carbides, allowing it to perform excellently in abrasive water jet applications.

Career Highlights

Throughout his career, Shigetomo Matsui has collaborated with renowned companies such as Kawasaki Heavy Industries and Sumitomo Metal Industries. His roles at these leading organizations have enabled him to refine his skills and foster an environment of creativity and pioneering solutions within the engineering sector.

Collaborations

Matsui's collaborations with industry professionals, including Toshio Atsuta and Takeshi Yamada, have further enriched his innovative projects. Working alongside such experienced colleagues has allowed Matsui to develop and implement groundbreaking technologies effectively.

Conclusion

Shigetomo Matsui's contributions to innovations and inventions are noteworthy and illustrate his determination to advance technology. His patents, particularly in power supply systems and high pressure injection nozzles, demonstrate potential applications that could significantly impact various industries in the future. As he continues to evolve in his career, Matsui remains a prominent figure in the realm of engineering innovation.

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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