Iwakuni, Japan

Akiro Shimomai

This inventor holds 1 USPTO granted patent. Top assignee: Teijin Limited. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiro Shimomai. Retrieved from https://idiyas.com/inventor/akiro-shimomai

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 = 97(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Akiro Shimomai: Inventor of an Adsorbent-Enhanced Conjugate Fiber

Introduction

Akiro Shimomai is an inventor associated with Iwakuni, Japan, and Teijin Limited. His recorded patent work concerns a conjugate fiber designed to improve filtration by combining reduced pressure loss with increased adsorbing power.

Latest Patents

Shimomai is credited with 1 patent: “Conjugate Fiber, Fibrous Material and Fibrous Article Made Therefrom.” The invention describes a thermoplastic synthetic organic polymer fiber with high- and low-melting components, where the low-melting component has a melting point at least 40°C below that of the high-melting component. Finely divided adsorbent particles adhere to the fiber’s surface. The patent presents the fiber as a filter material intended to reduce pressure loss while increasing adsorption, and also describes fibrous materials and articles made from these fibers.

Career Highlights

Shimomai’s documented invention reflects work on functional fiber materials and filtration technology. The patent connects polymer design with surface-bound adsorbent particles to create fibers intended for use in filters and related fibrous products. He is associated with Teijin Limited.

Collaborations

The provided information identifies Iwao Fujimoto and Isao Hamana as Shimomai’s coworkers. It does not specify their roles in the patent or describe particular joint projects.

Conclusion

Akiro Shimomai’s recorded patent highlights an approach to fiber-based filtration that combines a two-component polymer structure with surface-bound adsorbent particles.

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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