Tokyo, Japan

Hiroki Nishimura

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Nippon Electric Industry Co., Ltd.. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Nishimura. Retrieved from https://idiyas.com/inventor/hiroki-nishimura-j04mg4ot

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Hiroki Nishimura: Electric Vehicle Battery-Charger Converter Invention

Introduction

Hiroki Nishimura is an inventor associated with Tokyo, Japan, and Nippon Electric Industry Co., Ltd. His listed patent concerns converter circuitry for charging electric-vehicle batteries.

Latest Patents

Nishimura is credited with 1 patent: “Converter Circuit of Battery Charger for Electric Vehicle.” The invention describes a converter that combines rectifier and switching circuits, capacitors, a boosting reactor, and a high-frequency transformer. Its secondary circuit rectifies the high-frequency power and smooths the output before it is used to charge battery cells.

Career Highlights

The available information connects Nishimura’s work to electric-vehicle charging technology and identifies Nippon Electric Industry Co., Ltd. as his company.

Collaborations

Yasumasa Murai and Katsunori Sugimori are listed as Nishimura’s coworkers. The provided information does not specify their roles in the patent.

Conclusion

Hiroki Nishimura’s recorded patent focuses on a converter design for electric-vehicle battery charging, reflecting his association with power-conversion technology.

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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