Yokohama, Japan

Toshimasa Egucih

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Bakelite Company Limited. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshimasa Egucih. Retrieved from https://idiyas.com/inventor/toshimasa-egucih

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 = 6.0

ph-index = 1

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Inventor Toshimasa Egucih: Innovating in Polybenzoxazole Technology

Introduction: Toshimasa Egucih, based in Yokohama, Japan, is a notable inventor recognized for his contributions to the field of polymer technology. His work primarily focuses on the development of advanced materials, particularly polybenzoxazole resins, which have significant applications in various industries due to their unique properties.

Latest Patents: Egucih holds a patent for a "Polybenzoxazole resin and precursor thereof," which presents a polybenzoxazole precursor characterized by recurring units represented by a specific general formula and a resultant polybenzoxazole resin obtained through cyclization. This innovation serves to enhance the performance and efficiency of materials utilized in demanding environments.

Career Highlights: Currently, Toshimasa Egucih is employed at Sumitomo Bakelite Company Limited, a leading firm in the development and manufacturing of advanced plastics and materials. His dedication to research and innovation has resulted in significant strides in the field of high-performance polymers.

Collaborations: Throughout his career, Egucih has collaborated with esteemed colleagues, including Mitsumoto Murayama and Takashi Yamaji. These partnerships have fostered a collaborative environment conducive to innovation, enabling the exploration of new technologies and materials.

Conclusion: Toshimasa Egucih's contributions to polybenzoxazole technology exemplify the vital role of inventors in advancing material science. Through his patent and ongoing work at Sumitomo Bakelite Company Limited, he continues to influence the industry and inspire future innovations in polymer engineering.

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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