Kurobe, Japan

Kyoku Nakatubo

This inventor holds 1 USPTO granted patent. Top assignee: Ryo-Nichi Co., Ltd.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoku Nakatubo. Retrieved from https://idiyas.com/inventor/kyoku-nakatubo

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Kyoku Nakatubo: Innovator in Vinyl Chloride Resin Compositions

Introduction

Kyoku Nakatubo is a notable inventor based in Kurobe, Japan. He has made significant contributions to the field of materials science, particularly in the development of vinyl chloride resin compositions. His work focuses on enhancing the properties of these materials to improve their performance in various applications.

Latest Patents

Kyoku Nakatubo holds a patent for a vinyl chloride -EPDM resin composition. This invention relates to a vinyl chloride resin composition that exhibits excellent weather resistance and impact resistance. More specifically, it pertains to a cost-effective and markedly improved processability vinyl chloride resin composition. This composition comprises a vinyl chloride resin and a vinyl chloride graft copolymer, which is prepared by graft-copolymerizing a vinyl chloride monomer on an ethylene-propylene-diene copolymer.

Career Highlights

Kyoku Nakatubo is associated with Ryo-Nichi Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His innovative approach has led to the creation of materials that meet the demands of modern applications, particularly in industries requiring durable and resilient materials.

Collaborations

Kyoku Nakatubo has worked alongside talented colleagues, including Tatsuro Yoshida and Kakusaburo Nakanishi. Their collaborative efforts have contributed to the success of various projects within the company.

Conclusion

Kyoku Nakatubo's contributions to the field of vinyl chloride resin compositions highlight his innovative spirit and dedication to improving material performance. His patent reflects a significant advancement in the industry, showcasing the potential for enhanced weather and impact resistance in cost-effective materials.

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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