Yokohama, Japan

Kiyoshi Mitsuyasu

This inventor holds 6 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Battery Co., Ltd., Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1986-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Mitsuyasu. Retrieved from https://idiyas.com/inventor/kiyoshi-mitsuyasu

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 = 5.2

ph-index = 5

Forward Citations = 75(Granted Patents)


Company Filing History:


Years Active: 1986-1991

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6 patents (USPTO):Explore Patents

Title: Kiyoshi Mitsuyasu: Innovator in Nickel-Metal Hydride Technology

Introduction

Kiyoshi Mitsuyasu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of battery technology, particularly in the development of nickel-metal hydride secondary cells. With a total of 6 patents to his name, Mitsuyasu's work has had a lasting impact on energy storage solutions.

Latest Patents

Mitsuyasu's latest patents focus on innovative designs for nickel-metal hydride secondary cells. One of his patents describes a cell that includes a non-sinter type nickel positive electrode, a hydrogen absorbing alloy negative electrode, and a separator made of synthetic resin unwoven fabric. This design features a unique combination of materials, including nickel hydroxide powder and cobalt monoxide powder, which enhances the cell's performance. Another patent outlines a similar cell structure but incorporates a layer of high-valence cobalt oxide and a specific surface area of carbon black, optimizing the cell's capacity and efficiency.

Career Highlights

Throughout his career, Kiyoshi Mitsuyasu has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Battery Co., Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to advancements in the field.

Collaborations

Mitsuyasu has collaborated with talented individuals in the industry, including Yuji Sato and Kazuta Takeno. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kiyoshi Mitsuyasu's contributions to nickel-metal hydride technology exemplify his dedication to innovation in energy storage solutions. His patents reflect a deep understanding of materials and design, positioning him as a key figure in the advancement of battery 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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