Iwaki, Japan

Hiroshi Hagiwara

This inventor holds 4 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1981-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hagiwara. Retrieved from https://idiyas.com/inventor/hiroshi-hagiwara-c0ft0fjx

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 = 2.5

ph-index = 3

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1981-1994

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4 patents (USPTO):Explore Patents

Title: Hiroshi Hagiwara: Innovator in Thermoplastic Resin Technology

Introduction

Hiroshi Hagiwara is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of thermoplastic resin technology, holding a total of 4 patents. His work focuses on developing materials that exhibit a balance of heat resistance, impact resistance, and transparency.

Latest Patents

Hagiwara's latest patents include an impact-resistant thermoplastic resin composition. This composition is prepared by blending a copolymer with a graft copolymer, resulting in a material that maintains excellent properties for various applications. The thermoplastic resin composition is designed to provide a good balance among heat resistance, impact resistance, transparency, and processability. Another patent involves a graft copolymer formed by graft-polymerizing vinyl monomers onto a rubber polymer, which enhances the material's transparency and impact resistance.

Career Highlights

Hiroshi Hagiwara is currently associated with Kureha Kagaku Kogyo Kabushiki Kaisha, where he continues to innovate in the field of thermoplastic materials. His work has been instrumental in advancing the properties of thermoplastic resins, making them suitable for a wide range of applications.

Collaborations

Hagiwara has collaborated with notable coworkers, including Yosuke Takahashi and Yasumasa Komatsu. Their combined expertise has contributed to the successful development of innovative materials in the industry.

Conclusion

Hiroshi Hagiwara's contributions to thermoplastic resin technology have established him as a key figure in the field. His innovative patents and collaborations continue to influence the development of advanced materials.

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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