Hiratsuka, Japan

Katsumasa Ishii

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: The Yokohama Rubber Co., Ltd.. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumasa Ishii. Retrieved from https://idiyas.com/inventor/katsumasa-ishii

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 = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Innovations of Katsumasa Ishii in Hydrogen Technology

Introduction

Katsumasa Ishii, an innovative inventor based in Hiratsuka, Japan, has made notable contributions to the field of hydrogen technology. With a unique patent to his name, his work reflects a dedication to advancing safety and efficiency in hydrogen dispensing systems.

Latest Patents

Ishii holds a patent for a hydrogen-dispensing hose designed to improve the delivery and safety of hydrogen gas. This innovative hose features a structure that includes at least two coaxially layered reinforcing layers. The inner layer, made from a thermoplastic resin, ensures a low permeability coefficient for dry hydrogen gas at 90°C, thus maintaining the integrity of the gas within the hose. Surrounding this inner layer is a wire braided layer formed by metal wires, enhancing the hose's strength. The outermost layers utilize high-strength fibers, such as polyparaphenylene benzobisoxazole fibers, for added durability.

Career Highlights

Katsumasa Ishii is associated with The Yokohama Rubber Co., Ltd., a company recognized for its commitment to innovation and quality. His work has not only contributed to the company’s portfolio but has also set a benchmark in the field of hydrogen technology.

Collaborations

Throughout his career, Ishii has collaborated with esteemed colleagues, including Ikuma Yusa and Hiroaki Shibano. These partnerships have facilitated a productive environment for innovation and development within the company.

Conclusion

Katsumasa Ishii's contributions to hydrogen technology through his patent represent significant progress in the field. His collaboration with skilled professionals at The Yokohama Rubber Co., Ltd. continues to drive advancements that ensure safe and efficient hydrogen usage, underscoring the importance of innovation in modern 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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