Obu, Japan

Hiroshi Matsumae

This inventor holds 1 USPTO granted patent. Top assignee: Nippondenso Co., Ltd.. Active years: 1997.


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Hiroshi Matsumae: Innovator in Electric Vehicle Battery Charging Systems

Introduction

Hiroshi Matsumae is a notable inventor based in Obu, Japan. He has made significant contributions to the field of electric vehicle technology, particularly in battery charging systems. His innovative approach has led to the development of a unique battery charger that enhances the efficiency of electric vehicle charging.

Latest Patents

Matsumae holds a patent for a battery charging system designed specifically for electric vehicles. This system includes a primary side circuit, a transformer, a secondary side circuit, and a control circuit. The secondary side circuit features a first output unit and a second output unit, allowing the battery to charge both a main battery and an auxiliary battery. The first output unit, connected to the main battery, incorporates an integrated rectifier-converter and a smoothing circuit, utilizing MOSFETs for optimal performance. When charging the auxiliary battery, power from the main battery is converted by the integrated rectifier-converter to AC power, which then induces power in an output winding of a transformer connected to the auxiliary battery. This innovative design enhances the charging process and improves the overall efficiency of electric vehicles.

Career Highlights

Matsumae is currently employed at Nippondenso Co., Ltd., a company known for its advancements in automotive technology. His work at Nippondenso has allowed him to focus on developing cutting-edge solutions for electric vehicles, contributing to the growing demand for sustainable transportation options.

Collaborations

Throughout his career, Matsumae has collaborated with talented individuals such as Yoshihiko Ooyama and Keiichiro Banzai. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the automotive sector.

Conclusion

Hiroshi Matsumae's contributions to electric vehicle battery charging systems exemplify the spirit of innovation in the automotive industry. His patent for a sophisticated battery charging system showcases his commitment to enhancing electric vehicle technology. As the demand for sustainable transportation continues to grow, inventors like Matsumae play a crucial role in shaping the future of mobility.

Profile summary based on public USPTO records.
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