Mie, Japan

Katsumi Okuyama

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Petrochemical Company Limited. Active years: 1986-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Okuyama. Retrieved from https://idiyas.com/inventor/katsumi-okuyama

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 = 2.5

ph-index = 2

Forward Citations = 108(Granted Patents)


Location History:

  • Mie, JP (1986 - 1987)
  • Yokkaichi, JP (1993)

Company Filing History:


Years Active: 1986-1993

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3 patents (USPTO):Explore Patents

Title: Innovations of Katsumi Okuyama

Introduction

Katsumi Okuyama is a notable inventor based in Mie, Japan. He has made significant contributions to the field of materials science, particularly in the production of specialized films and tubes. With a total of 3 patents to his name, Okuyama's work has had a considerable impact on various industrial applications.

Latest Patents

One of Okuyama's latest patents is a method for producing a seamless tube for use as an intermediate image-transfer belt. This innovative method involves continuously extruding an electrically conductive composition that includes a thermoplastic aromatic polycarbonate resin, a thermoplastic poly(alkylene terephthalate) resin, and acetylene black. The resulting seamless tube has a thickness ranging from 50 to 1000 micrometers and a sheet resistance between 10^5 to 10^13 ohms per square.

Another significant patent is a process for producing air-permeable films. This process entails stretching a film made from a composition that consists of a polyolefin resin and an inorganic filler, along with an aliphatic alcohol/fatty acid ester. The film's unique properties make it suitable for various applications in industries requiring air permeability.

Career Highlights

Katsumi Okuyama is currently associated with Mitsubishi Petrochemical Company Limited, where he continues to innovate and develop new materials. His expertise in polymer science and engineering has positioned him as a key figure in his field.

Collaborations

Throughout his career, Okuyama has collaborated with notable colleagues such as Hiroyasu Mizutani and Makoto Morikoshi. These collaborations have further enhanced his research and development efforts, leading to advancements in material technologies.

Conclusion

Katsumi Okuyama's contributions to the field of materials science through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in industrial applications, showcasing the importance of innovation in technology.

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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