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For the Inventor, By the Inventor

Kawagoe, Japan

Yasumasa Mizuno

This inventor holds 5 USPTO granted patents. Top assignee: Denyo Kabushiki Kaisha. Active years: 1997-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasumasa Mizuno. Retrieved from https://idiyas.com/inventor/yasumasa-mizuno

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 87(Granted Patents)


Company Filing History:

goldMedal5 out of 27 
 
Denyo Kabushiki Kaisha
 patents

Years Active: 1997-1999

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5 patents (USPTO):Explore Patents
1. 6006418 - Method of manufacturing a rotors with permanent magnet (1999-12-28),
2. 5936320 - Engine-driven permanent magnetic type welding generator (1999-08-10),
3. 5828152 - Rotor with permanent magnet of generator and method of manufacturing the (1998-10-27),
4. 5796190 - Engine-driven permanent magnetic type welding generator (1998-08-18),
5. D384033 - Engine-driven electric generator for welding (1997-09-23),

Title: Yasumasa Mizuno: Innovator in Permanent Magnet Technologies

Introduction

Yasumasa Mizuno is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of engineering, particularly in the development of technologies involving permanent magnets. With a total of 5 patents to his name, Mizuno's work has had a considerable impact on various applications.

Latest Patents

Mizuno's latest patents include a method of manufacturing rotors with permanent magnets. This innovative rotor design allows for the simple fixing of permanent magnets onto the rotor iron core. The rotor consists of an iron core with trapezoidal recessed portions, fitting grooves, and end plates, which together create areas for the permanent magnets to be securely fixed.

Another significant patent is for an engine-driven permanent magnetic type welding generator. This generator utilizes neodymium-iron-boron based rare earth magnets and incorporates features to manage the temperature of the magnets effectively. The design includes a stator with a laminated-structure armature core and a rotor supported by an engine, ensuring efficient power generation for both DC welding and auxiliary AC power outputs.

Career Highlights

Mizuno is currently employed at Denyo Kabushiki Kaisha, a company known for its innovative engineering solutions. His work at Denyo has allowed him to further develop his ideas and contribute to advancements in welding technology and rotor design.

Collaborations

Throughout his career, Mizuno has collaborated with talented individuals such as Masanobu Takeda and Shunichi Tetsui. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Yasumasa Mizuno's contributions to the field of engineering, particularly in permanent magnet technologies, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving efficiency and functionality in engineering applications.

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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