Iwaki, Japan

Kiyoshi Tagaya

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1977-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Tagaya. Retrieved from https://idiyas.com/inventor/kiyoshi-tagaya

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 = 4.4

ph-index = 5

Forward Citations = 95(Granted Patents)


Location History:

  • Funabashi, JA (1977 - 1978)
  • Iwaki, JP (1981 - 1990)

Company Filing History:


Years Active: 1977-1990

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6 patents (USPTO):Explore Patents

Title: Kiyoshi Tagaya: Innovator in Polymer and Carbon Fiber Technologies

Introduction

Kiyoshi Tagaya is a prominent inventor based in Iwaki, Japan. He has made significant contributions to the fields of polymer science and carbon fiber technology. With a total of 6 patents to his name, Tagaya's work has had a lasting impact on various industrial applications.

Latest Patents

One of Tagaya's latest patents is titled "Molded product of polyarylene thioether and the use thereof." This invention discloses a heat-resistant molded product that exhibits high elongation. The process involves curing a linear polyarylene thioether and melt extruding the resulting resin, followed by crystallization. Another notable patent is the "Process for the preparation of carbon fibers having structure reflected." This process details the preparation of carbon fibers from mesophase pitch, showcasing a random-mosaic structural pattern in the fibers.

Career Highlights

Kiyoshi Tagaya is associated with Kureha Kagaku Kogyo Kabushiki Kaisha, a company known for its innovative chemical products. His work at this organization has allowed him to explore advanced materials and their applications in various industries.

Collaborations

Throughout his career, Tagaya has collaborated with notable colleagues such as Koji Seguchi and Minoru Sugita. These partnerships have fostered a creative environment that has led to groundbreaking innovations in their respective fields.

Conclusion

Kiyoshi Tagaya's contributions to polymer and carbon fiber technologies exemplify the spirit of innovation. His patents reflect a commitment to advancing material science, making him a key figure in his industry.

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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