Yamaguchi, Japan

Kiyonari Hashizume

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyonari Hashizume. Retrieved from https://idiyas.com/inventor/kiyonari-hashizume

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


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal1 out of 834,513 
Other
 patents

Years Active: 2004

Loading Chart...
1 patent (USPTO):Explore Patents

Title: **Kiyonari Hashizume: Innovator in Hydrogenated Styrene Polymer**

Introduction

Kiyonari Hashizume, an accomplished inventor hailing from Yamaguchi, Japan, has made significant contributions to the field of materials science. With a keen focus on polymers, Hashizume has developed a patented technology that showcases his innovative approach to creating advanced materials.

Latest Patents

Hashizume's notable patent titled "Hydrogenated Styrene Polymer, Process for Producing the Same, and Molded Object Obtained Therefrom" highlights his expertise. This invention involves a hydrogenated styrene polymer characterized by excellent transparency and heat resistance, making it suitable for optical applications, such as optical disk substrates. The polymer is distinguished by a hydrogenated polymerized styrene unit content of at least 70 wt %, and it demonstrates stability and clarity in demanding conditions.

Career Highlights

Throughout his career, Kiyonari Hashizume has dedicated himself to the development of innovative polymer materials. His hands-on experience and research have led to breakthroughs that are critical to various industries, particularly those focused on optics and high-performance materials.

Collaborations

In his professional journey, Hashizume has collaborated with esteemed colleagues, including Nobuaki Kido and Shunichi Matsumura. Together, they have pushed the boundaries of polymer research, resulting in advancements that benefit both academia and industry.

Conclusion

Kiyonari Hashizume's contributions to the field of hydrogenated styrene polymers underscore his role as a pivotal inventor. With one impactful patent and a commitment to innovation, he continues to influence the evolution of materials science, paving the way for future advancements in optical applications and beyond.

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]
Loading…