Iyo, Japan

Toshimasa Tokuda

This inventor holds 14 USPTO granted patents. Top assignees: Teijin Chemicals Limited, The Furukawa Electric Co., Ltd., Ricoh Company, Ltd.. Active years: 1980-2008.

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

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 92.9

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 124(Granted Patents)


Location History:

  • Iyo, JP (1980 - 2000)
  • Chiyoda-ku, JP (2007 - 2008)

Company Filing History:


Years Active: 1980-2008

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14 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Toshimasa Tokuda**

Introduction

Toshimasa Tokuda, an esteemed inventor based in Iyo, Japan, has made remarkable contributions to the field of polymer chemistry. With a portfolio of 14 patents, his work primarily focuses on polycarbonate copolymers and their applications in various industries. His innovative spirit and dedication to enhancing material properties have earned him recognition among peers and in the scientific community.

Latest Patents

Among his latest patents, Tokuda has developed a **polycarbonate copolymer** that exhibits outstanding heat resistance and dimensional stability. This invention aims to provide a copolymer comprising 5 to 95 mol % of a recurring unit of specific chemical compositions, facilitating the development of heat-resistant parts suitable for diverse applications.

Another significant patent involves a **polycarbonate copolymer** and resin composition characterized by remarkable light and heat resistance. This copolymer integrates an aromatic dihydroxy component consisting of fluorene-skeleton-containing compounds, along with ordinary bisphenol type dihydroxy compounds. Additionally, the inclusion of ultraviolet absorbers enhances the copolymer's stability and longevity.

Career Highlights

Throughout his career, Tokuda has gained valuable experience in esteemed companies, including Teijin Chemicals Limited and The Furukawa Electric Co., Ltd. His roles in these organizations have allowed him to advance his research and development efforts significantly, leading to groundbreaking innovations in materials science.

Collaborations

Collaboration is a vital aspect of Tokuda's success. He has worked alongside talented professionals such as Masaki Nishiguchi and Koki Ikeda. Their cooperative efforts in research and development have played a crucial role in the creation of advanced polycarbonate materials, leveraging each other's strengths to achieve common goals.

Conclusion

Toshimasa Tokuda's inventive prowess and dedication to improving polymer chemistry are evident through his numerous patents and collaborative projects. His innovations in polycarbonate copolymers and their applications have paved the way for advancements in various industries, fostering a better understanding of material properties and their potential uses. As he continues to explore new horizons in materials science, Tokuda's work remains a testament to the power of innovation and collaboration.

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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