Ichihara, Japan

Yoichi Imai

This inventor holds 3 USPTO granted patents, plus 2 CIPO patents. Top assignees: Tonen Chemical Corporation, Dainippon Ink and Chemicals, Incorporated. Active years: 1994-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Imai. Retrieved from https://idiyas.com/inventor/yoichi-imai

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 = 3.3

ph-index = 2

Forward Citations = 44(Granted Patents)


Location History:

  • Icihara, JP (1994)
  • Ichihari, JP (1995 - 2002)

Company Filing History:


Years Active: 1994-2002

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3 patents (USPTO):Explore Patents

Title: Yoichi Imai: Innovator in Polyarylene Sulfide Technology

Introduction

Yoichi Imai is a notable inventor based in Ichihari, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of processes for controlling the particle size of polyarylene sulfide. With a total of 3 patents to his name, Imai's work has implications for various industrial applications.

Latest Patents

Imai's latest patents focus on a process for controlling the particle size of polyarylene sulfide. This innovative process involves cooling or heating the gaseous phase part of a reactor after the temperature of the reaction system begins to decrease. The method ensures that high molecular weight polyarylene sulfide, suitable for powder coating, is produced. The resulting material has a weight average molecular weight of at least 30,000 and an average particle size ranging from 50 to 80 micrometers. Notably, particles measuring 40 to 150 micrometers account for at least 90% by weight of the total particle distribution, while the amount of particles measuring 180 micrometers or more is limited to 0.5% by weight or less.

Career Highlights

Throughout his career, Yoichi Imai has worked with prominent companies in the chemical industry. He has been associated with Tonen Chemical Corporation and Dainippon Ink and Chemicals, Incorporated. His expertise in polymer chemistry has allowed him to contribute to advancements in material science.

Collaborations

Imai has collaborated with several professionals in his field, including Osamu Komiyama and Kazuhiro Ichikawa. These collaborations have further enriched his research and development efforts.

Conclusion

Yoichi Imai's innovative work in controlling the particle size of polyarylene sulfide showcases his significant contributions to polymer chemistry. His patents and career achievements reflect his dedication to advancing technology in this field.

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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