Otsu, Japan

Hiroyoshi Kamatani

This inventor holds 1 USPTO granted patent. Top assignee: Toyo Boseki Kabushiki Kaisha. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyoshi Kamatani. Retrieved from https://idiyas.com/inventor/hiroyoshi-kamatani

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 = 6.0

ph-index = 1

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1984

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

Title: Hiroyoshi Kamatani: Innovator in Biaxially Stretched Polyester Films

Introduction

Hiroyoshi Kamatani is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyester films. His innovative work has led to the creation of a unique biaxially stretched polyester film that incorporates zirconium as an internal particle material.

Latest Patents

Kamatani holds a patent for a biaxially stretched polyester film. This film comprises a polyester and zirconium, produced through the polycondensation of terephthalic acid or its esterified derivative and alkylene glycol. The process involves introducing zirconium in the form of any compound in an amount of 80 to 2500 ppm into the reaction system after the initiation of the reaction. This occurs before the intrinsic viscosity of the reaction mixture reaches 0.2, followed by the film forming of the produced polyester. He has 1 patent to his name.

Career Highlights

Kamatani is associated with Toyo Boseki Kabushiki Kaisha, where he has been instrumental in advancing the company's research and development efforts. His work has not only contributed to the company's portfolio but has also enhanced the understanding of polyester materials in various applications.

Collaborations

Kamatani has collaborated with notable colleagues such as Katsuaki Kuze and Tsukasa Akaishi. These partnerships have fostered innovation and have been pivotal in the development of new materials and technologies.

Conclusion

Hiroyoshi Kamatani's contributions to the field of polyester films exemplify the impact of innovative thinking in materials science. His work continues to influence the industry and pave the way for future advancements.

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…