Atsugi, Japan

Kesafumi Matsumoto

This inventor holds 15 USPTO granted patents, plus 3 CIPO patents and 2 EPO patents, primarily in High-Voltage Systems. Top assignees: Kouken Company, Limited, Koken Company, Limited. Active years: 1989-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kesafumi Matsumoto. Retrieved from https://idiyas.com/inventor/kesafumi-matsumoto

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

Calculating rank

% Patents Active = 73.3



Average Co-Inventor Count = 1.0

ph-index = 6

Forward Citations = 89(Granted Patents)


Company Filing History:


Years Active: 1989-2012

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Areas of Expertise:
Load Calculation
High-Voltage
Arc Discharge
Mobile Facility
Cooking Methods
Eddy-Current Heat
Water Resistance
Electrode Circulation
15 patents (USPTO):Explore Patents

Title: Innovations of Kesafumi Matsumoto

Introduction

Kesafumi Matsumoto is a notable inventor based in Atsugi, Japan. He has made significant contributions to the field of electrical engineering, particularly in load calculation and high-voltage systems. With a total of 15 patents to his name, Matsumoto's work has had a profound impact on the industry.

Latest Patents

One of his latest patents is a load calculation control method and apparatus designed for load characteristic tests of electric generators. This innovative apparatus allows for continuous and precise following of a load control value. It features a resistor bank that is divided into multiple sections, with a controller that compares power capacity values and transmits ON/OFF signals to the connected switches.

Another significant patent is the dry-type high-voltage load system apparatus, which boasts a space-saving structure that is resistant to chain breaking, arc discharge, and vibration. This system includes a low-voltage bank and a high-voltage bank, both formed of lower-capacity configuration banks. The design ensures that the three-phase resistor circuits are connected in a way that maintains an isolated and independent neutral point.

Career Highlights

Throughout his career, Matsumoto has worked with various companies, including Kouken Company, Limited and Koken Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative electrical systems.

Collaborations

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Conclusion

Kesafumi Matsumoto's contributions to electrical engineering through his patents and career experiences highlight his role as a significant innovator in the field. His work continues to influence advancements in load calculation and high-voltage systems.

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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