Kanagawa, Japan

Hiroaki Hashimoto

This inventor holds 8 USPTO granted patents and 7 EPO patents. Top assignees: Nissan Motor Company Limited, Hitachi Automotive Systems, Ltd., Hitachi Astemo Ltd.. Active years: 2017-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Hashimoto. Retrieved from https://idiyas.com/inventor/hiroaki-hashimoto-s1e1iqzz

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 4.6

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2017-2024

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8 patents (USPTO):Explore Patents

Title: Hiroaki Hashimoto: Innovator in In-Vehicle Battery Technology

Introduction

Hiroaki Hashimoto is a notable inventor based in Kanagawa, Japan, recognized for his contributions to automotive technology and battery systems. With a portfolio consisting of 8 patents, Hashimoto has made significant strides in the field of vehicle energy management.

Latest Patents

Among his latest inventions, one stands out: the in-vehicle battery system. This innovative system includes a battery and a relay that establishes or interrupts an electrical connection between the battery and an inverter. It features multiple switches that control the relay, alongside a sophisticated battery control apparatus for monitoring the battery's status. Additionally, he has developed a capacity maintenance rate estimation apparatus and method, which estimates the capacity ratio of a battery by analyzing current and voltage over specified time periods. This method allows for precise management and monitoring of battery health in automotive applications.

Career Highlights

Throughout his career, Hiroaki Hashimoto has worked with leading automotive companies such as Nissan Motor Company Limited and Hitachi Automotive Systems, Ltd. His experience at these prestigious organizations has allowed him to leverage his skills in creating innovative battery technologies that enhance vehicle performance and reliability.

Collaborations

In his journey as an inventor, Hashimoto has collaborated with talented professionals including Toyoki Iguchi and Shigeyuki Kiyota. These partnerships have fostered an environment of creativity and innovation, leading to the successful development of cutting-edge automotive technologies.

Conclusion

Hiroaki Hashimoto is an exemplary inventor whose work in in-vehicle battery systems continues to influence the automotive industry. His patents reflect a deep understanding of battery management and energy efficiency, paving the way for future innovations in electric and hybrid vehicles.

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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