Honjou, Japan

Takumi Hayakawa

This inventor holds 1 USPTO granted patent. Top assignee: Keishin Matsumoto. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Hayakawa. Retrieved from https://idiyas.com/inventor/takumi-hayakawa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: The Innovations of Takumi Hayakawa

Introduction

Takumi Hayakawa is a prominent inventor based in Honjoh, Japan, who has made significant contributions to the field of lead storage batteries. With a practical approach to engineering, Hayakawa focuses on developing components that enhance the efficiency and durability of battery technologies.

Latest Patents

Hayakawa has been awarded one patent for his inventive designs. His patent describes a plate grid specifically designed for lead storage batteries. The invention involves a plate grid comprising a multitude of spaced longitudinal wire members, including an acid-resisting wire element and an electrically conductive wire element usually made from lead or lead alloy. A notable feature of this design is a collector made from electrically conductive material that is securely attached to one end of the longitudinal wire members, ensuring effective electrical connectivity for optimal battery performance.

Career Highlights

Hayakawa currently works for Keishin Matsumoto, where he has the opportunity to apply his innovative ideas in a collaborative environment. His work primarily revolves around improving energy storage solutions, focusing on reliability and efficiency. His unique contributions to battery technology have earned him recognition and respect among his peers in the industry.

Collaborations

Throughout his career, Takumi Hayakawa has collaborated with talented coworkers, including Shinichi Ikari and Yozo Kamikawa. Together, they have worked on various projects, leveraging their collective expertise to push the boundaries of technology in the energy sector.

Conclusion

Takumi Hayakawa exemplifies the spirit of innovation in the realm of battery technology. His patented design for a lead storage battery plate grid reflects his commitment to enhancing performance and extending the lifespan of batteries. Through his work at Keishin Matsumoto and effective collaborations with skilled colleagues, Hayakawa continues to make strides in the field of electrical engineering.

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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