Hitachinaka, Japan

Hiroaki Egawa

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Hitachi Automotive Systems, Ltd.. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Egawa. Retrieved from https://idiyas.com/inventor/hiroaki-egawa-km2q1h95

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 = 4.0

ph-index = 1


Company Filing History:


Years Active: 2017

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1 patent (USPTO):Explore Patents

Title: Innovations by Hiroaki Egawa: Prismatic Battery Technology

Introduction: Hiroaki Egawa, an accomplished inventor based in Hitachinaka, Japan, has made significant contributions to the field of energy storage technology. With a focus on improving the efficiency and design of batteries, he holds a patent for a prismatic secondary battery that showcases his innovative approach to energy solutions.

Latest Patents: Hiroaki Egawa is credited with one notable patent: the prismatic secondary battery. This invention features a uniquely designed battery case in a prismatic shape, complemented by a specialized battery cover. The cover not only seals the battery case but includes a convex part that projects inward, interacting with the inner side wall of the case. The inventor's design emphasizes varying cover thickness at different parts, enhancing the overall structure and functionality of the battery.

Career Highlights: Currently employed by Hitachi Automotive Systems, Ltd., Hiroaki Egawa's work reflects a commitment to advancing automotive technologies through innovative battery designs. His role within the company underscores the importance of research and development in the ever-evolving energy sector.

Collaborations: Hiroaki Egawa collaborates with talented coworkers Kouichi Kajiwara and Hayato Koguchi, contributing to a dynamic research environment at Hitachi Automotive Systems. These collaborations are crucial in fostering innovation and bringing new technologies to fruition.

Conclusion: Hiroaki Egawa stands out as a forward-thinking inventor in the battery technology arena. His patent for the prismatic secondary battery demonstrates not only technical ingenuity but also a vision for the future of energy storage solutions. As he continues his work at Hitachi Automotive Systems, his contributions are likely to influence advancements in automotive and energy technologies for years to come.

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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