Tokyo, Japan

Ryoji Hirobe

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Hitachi, Ltd.. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Hirobe. Retrieved from https://idiyas.com/inventor/ryoji-hirobe

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2017

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1 patent (USPTO):Explore Patents

Title: Ryoji Hirobe: Innovator in Transformer Technology

Introduction

Ryoji Hirobe is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of transformer technology. His innovative approach has led to the development of a unique transformer design that addresses common issues in the industry.

Latest Patents

Hirobe holds a patent for a transformer that reduces the weight of magnetic shields while minimizing eddy current loss caused by magnetic flux leakage from the windings. The transformer is designed with an iron core that includes an iron core leg and yoke, along with windings wound around the iron core leg. The configuration also features a tank that houses the iron core and windings, as well as first and second magnetic shields made from laminated silicon steel sheets. The first magnetic shield is positioned opposite the windings, while the second magnetic shields are placed between the first magnetic shield and the tank. These shields are secured to the tank using different support members. This innovative design has the potential to enhance the efficiency and performance of transformers.

Career Highlights

Hirobe is currently employed at Hitachi, Ltd., a leading company in technology and engineering. His work at Hitachi has allowed him to focus on advancing transformer technology and contributing to the company's reputation for innovation.

Collaborations

Throughout his career, Hirobe has collaborated with talented individuals such as Yasunori Ono and Takahide Matsuo. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Ryoji Hirobe's contributions to transformer technology exemplify the spirit of innovation. His patent reflects a commitment to improving efficiency in electrical engineering. His work at Hitachi and collaborations with esteemed colleagues further highlight his impact on the industry.

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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