Koriyama, Japan

Ryuichi Kayama

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Peroxide Co., Ltd., Showa Chemical Co., Ltd.. Active years: 1976-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuichi Kayama. Retrieved from https://idiyas.com/inventor/ryuichi-kayama

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

Calculating rank

% Patents Active = 75.0

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Koriyama, JA (1976)
  • Koriyama, JP (1993 - 2000)
  • Fukushima, JP (2004)

Company Filing History:


Years Active: 1976-2004

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4 patents (USPTO):Explore Patents

Title: Ryuichi Kayama: Innovator in Polymer Chemistry

Introduction

Ryuichi Kayama is a notable inventor based in Koriyama, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of innovative methods and materials. With a total of 4 patents to his name, Kayama's work has had a considerable impact on various industrial applications.

Latest Patents

Among his latest patents, Kayama has developed a method for preparing a poly-α-hydroxyacrylate aqueous solution. This method involves reacting a polylactone compound corresponding to poly-α-hydroxyacrylic acid with an alkali, which is added in a divided manner. Additionally, he has created a stabilizing agent for peroxide-bleaching procedures. This stabilizing agent includes components such as a homopolymer or copolymer of α-hydroxyacrylic acid, a component of acrylic acid or methacrylic acid, and a water-soluble inorganic magnesium salt. These innovations are designed to enhance the efficiency of bleaching processes in fiber materials.

Career Highlights

Throughout his career, Ryuichi Kayama has worked with prominent companies in the chemical industry, including Nippon Peroxide Co., Ltd. and Showa Chemical Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer applications and chemical processes.

Collaborations

Kayama has collaborated with notable colleagues such as Toshio Suzuki and Fumiaki Nishino. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Ryuichi Kayama's contributions to polymer chemistry and his innovative patents demonstrate his commitment to advancing the field. His work continues to influence various industrial applications, showcasing the importance of innovation in science and 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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