Kurashiki, Japan

Koji Chono

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Nippon Zeon Company, Ltd.. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Chono. Retrieved from https://idiyas.com/inventor/koji-chono

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 16(Granted Patents)


Location History:

  • Okayama, JP (1990)
  • Kurashiki, JP (1991 - 1992)

Company Filing History:


Years Active: 1990-1992

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3 patents (USPTO):Explore Patents

Title: Koji Chono: Innovator in Polymer Technology

Introduction

Koji Chono is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of methods for producing high-quality molded articles. With a total of 3 patents to his name, Chono's work has had a considerable impact on the industry.

Latest Patents

Chono's latest patents include innovative methods that enhance the production of polynorbornene articles. One of his patents, titled "Method of making pore-free molding with thick section," describes a process for creating pore-free articles with thick-walled portions. This method involves using a monomer charge containing at least one norbornene monomer with a tricyclic or higher cyclic structure. The process includes introducing the monomer charge into a mold at a temperature greater than the inside mold temperature, polymerizing the charge under pressure with a ring-opening catalyst system, cooling the molded article, and finally removing it from the mold. Another significant patent is the "Reaction injection molding method," which utilizes an organic fluorine compound as a mold release agent. This method allows for the polymerization of at least one norbornene compound in a mold coated with the release agent, which can be used alongside conventional mold release agents.

Career Highlights

Chono is currently associated with Nippon Zeon Company, Ltd., where he continues to innovate in the field of polymer science. His work has not only advanced the technology but has also contributed to the efficiency and quality of molded products in various applications.

Collaborations

Throughout his career, Chono has collaborated with esteemed colleagues such as Hiroshi Ozeki and Motoyuki Yamato. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in polymer molding.

Conclusion

Koji Chono's contributions to polymer technology through his innovative patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the industry and pave the way for future advancements in material science.

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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