Kyoto, Japan

Toshio Igarashi

This inventor holds 18 USPTO granted patents, plus 1 CIPO patent, primarily in Polymer Processing. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1984-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Igarashi. Retrieved from https://idiyas.com/inventor/toshio-igarashi

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 = 4.5

ph-index = 8

Forward Citations = 156(Granted Patents)


Location History:

  • Niihama, JP (1984)
  • Kyoto, JP (1991 - 2000)

Company Filing History:


Years Active: 1984-2000

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Areas of Expertise:
Thermoplastic Elastomer
Polyvinyl Chloride
Foam Molding
Molded Article
Powder Molding
Composite Foam
Slush Molding
Vinyl Chloride
Production Process
Resin Composition
Powder Composition
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toshio Igarashi

Introduction

Toshio Igarashi is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced molded articles. With a total of 18 patents to his name, Igarashi's work has had a substantial impact on various industries.

Latest Patents

Igarashi's latest patents include a method for producing a multi-layer molded article. This innovative article features a skin material layer made of vinyl chloride resin, a propylene resin core, and an adhesive layer that enhances the bond between these materials. Another notable patent describes a method for producing molded articles through powder slush molding, utilizing a thermoplastic elastomer powder with specific properties to achieve optimal performance.

Career Highlights

Throughout his career, Toshio Igarashi has been associated with Sumitomo Chemical Company, Limited. His work has focused on creating materials that meet the demands of modern applications, showcasing his expertise in polymer science and engineering.

Collaborations

Igarashi has collaborated with notable colleagues, including Yuu Shida and Yoshihiro Nakatsuji. These partnerships have fostered a creative environment that has led to the development of innovative solutions in the field of molded articles.

Conclusion

Toshio Igarashi's contributions to the field of materials science through his patents and collaborations highlight his role as a leading inventor. His innovative methods and products continue to influence the industry and pave the way for future advancements.

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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