Ichihara, Japan

Kunihide Hiraoka

This inventor holds 4 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1990-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihide Hiraoka. Retrieved from https://idiyas.com/inventor/kunihide-hiraoka

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 = 5.1

ph-index = 3

Forward Citations = 38(Granted Patents)


Location History:

  • al of Ichihara, JP (1990)
  • Ichihara, JP (1990 - 1994)

Company Filing History:


Years Active: 1990-1994

Loading Chart...
4 patents (USPTO):Explore Patents

Title: Kunihide Hiraoka: Innovator in Thermoplastic Elastomers

Introduction

Kunihide Hiraoka is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of thermoplastic elastomers, holding a total of 4 patents. His work focuses on enhancing the properties of elastomer compositions, particularly in terms of heat bondability.

Latest Patents

Hiraoka's latest patents include innovative formulations for thermoplastic elastomers. One of his notable inventions is a partially crosslinked thermoplastic elastomer composition that exhibits excellent heat bondability. This composition is achieved by dynamically heat-treating a peroxide-crosslinking olefin copolymer rubber with an α,β-unsaturated carboxylic acid or its derivative in the presence of an organic peroxide. Another significant patent involves a thermoplastic elastomer composition that is also excellent in heat bondability, obtained by dynamically heat-treating a blend of a peroxide-crosslinking olefin copolymer and an olefinic plastic with an unsaturated epoxy monomer or an unsaturated hydroxy monomer, again in the presence of an organic peroxide.

Career Highlights

Kunihide Hiraoka is associated with Mitsui Petrochemical Industries, Ltd., where he has been instrumental in advancing the company's research and development in polymer technologies. His expertise in thermoplastic elastomers has positioned him as a key figure in the industry.

Collaborations

Hiraoka has collaborated with esteemed colleagues such as Yasuhiko Otawa and Katsuo Okamoto. Their combined efforts have contributed to the innovative advancements in thermoplastic elastomer technologies.

Conclusion

Kunihide Hiraoka's work in thermoplastic elastomers showcases his dedication to innovation and improvement in material properties. His patents reflect a commitment to enhancing industrial applications, making him a significant contributor to the 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]
Loading…