Ibaraki, Japan

Tokumi Chiba

This inventor holds 2 USPTO granted patents. Top assignees: Oji Yuka Goseishi Co., Ltd., Oji-Yuka Synthetic Paper Co., Ltd.. Active years: 1993-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokumi Chiba. Retrieved from https://idiyas.com/inventor/tokumi-chiba

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 = 2.4

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1993-2003

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2 patents (USPTO):Explore Patents

Title: The Innovations of Tokumi Chiba

Introduction

Tokumi Chiba is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced thermoplastic films. With a total of 2 patents, Chiba's work showcases his innovative approach to creating functional and versatile materials.

Latest Patents

Chiba's latest patents include a "Stretched Film of Thermoplastic Resin" and "Synthetic Paper for Writing and Printing." The stretched film patent describes a thermoplastic resin film that consists of a base layer containing 40 to 85 wt % of thermoplastic resin and a surface layer that enhances its properties. This film exhibits high surface hardness, excellent processability in embossing, and desirable ink adhesiveness, making it suitable for various applications, including building decoration. The synthetic paper patent details a pencil writable and printable synthetic paper made from a finely porous polyolefin film layer. This innovative paper prevents hydrocarbon solvents in printing inks from penetrating the film, thus eliminating local surface unevenness and curling.

Career Highlights

Throughout his career, Tokumi Chiba has worked with prominent companies such as Oji Yuka Goseishi Co., Ltd. and Oji-yuka Synthetic Paper Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative materials.

Collaborations

Chiba has collaborated with notable individuals in his field, including Yozo Ohba and Akira Akimoto. These partnerships have likely played a role in enhancing his research and development efforts.

Conclusion

Tokumi Chiba's contributions to the field of thermoplastic materials and synthetic papers highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to creating functional materials that meet diverse needs in various industries.

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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