Yokohama, Japan

Tetsuro Shibata

This inventor holds 1 USPTO granted patent. Top assignees: Japan Tobacco Inc., Mitsubishi Rayon Company, Limited. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuro Shibata. Retrieved from https://idiyas.com/inventor/tetsuro-shibata-66b7hqws

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 = 5.0

ph-index = 1

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Tetsuro Shibata: Innovator in Cigarette Filter Technology

Introduction

Tetsuro Shibata is a notable inventor based in Yokohama, Japan. He is recognized for his innovative contributions to cigarette filter technology. With a focus on enhancing the environmental impact of cigarette filters, Shibata has developed a unique filter material that promotes decomposability.

Latest Patents

Shibata holds a patent for a cigarette filter and filter material therefor. This filter material comprises a cellulose acetate fiber tow containing 5-50% by weight of a water-soluble material and/or a water-dispersible material. These materials are soluble in a solvent that dissolves cellulose acetate and are not compatible with it. The inclusion of these materials allows the fiber surface to become porous in the presence of moisture, increasing the fiber's surface area. This innovation leads to a cigarette filter that is easily decomposable in natural environments, particularly in moist conditions.

Career Highlights

Throughout his career, Tetsuro Shibata has worked with prominent companies such as Mitsubishi Rayon Company, Limited and Japan Tobacco Inc. His experience in these organizations has contributed to his expertise in developing advanced filter technologies.

Collaborations

Shibata has collaborated with notable coworkers, including Katsutaka Ito and Tsuruyoshi Matsumoto. Their combined efforts have furthered the development of innovative solutions in the field of cigarette filters.

Conclusion

Tetsuro Shibata's contributions to cigarette filter technology demonstrate his commitment to innovation and environmental sustainability. His patented filter material represents a significant advancement in the industry, promoting easier decomposability and reducing environmental impact.

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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