Shiga, Japan

Yoichi Fujumura

This inventor holds 1 USPTO granted patent. Top assignee: Toray Industries, Inc.. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Fujumura. Retrieved from https://idiyas.com/inventor/yoichi-fujumura

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 = 4.0

ph-index = 1

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: Yoichi Fujimura: Innovator in Chemical Filtration Technology

Introduction: Yoichi Fujimura, based in Shiga, Japan, is an accomplished inventor recognized for his innovative contributions in the field of chemical filtration. With a patent to his name, he has made significant strides in gas purification technology, which has widespread applications in various industries.

Latest Patents: Fujimura holds a patent for a "Chemical filter unit and gas purification system." This invention features a unique design comprising a filter medium formed by laminating multiple fiber sheets within a housing. The system includes a gas inlet and outlet situated opposite each other, facilitating efficient gas flow. Notably, gas passages are strategically formed between adjacent fiber sheets to enhance gas movement, while ensuring that the adsorption capacity of the filter medium is 300 eq/m or greater. The use of ion exchange fibers in the filter medium further improves its efficacy.

Career Highlights: Yoichi Fujimura is associated with Toray Industries, Inc., a leading company focused on advanced materials and technologies. His work there has contributed to the development of innovative filtration solutions that address environmental and industrial challenges.

Collaborations: Throughout his career, Fujimura has worked alongside talented colleagues, including Nami Hirata and Hideo Saruyama. Their collaborative efforts have played a pivotal role in driving research and development within the realm of chemical filtration.

Conclusion: Yoichi Fujimura's dedication to innovation is exemplified through his patented technology, which enhances gas purification systems. As a key figure at Toray Industries, Inc., he continues to push boundaries in chemical filtration, paving the way for more efficient and sustainable industrial practices. His contributions highlight the crucial intersection of technology and environmental stewardship in today's world.

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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