Minoo, Japan

Kimiyuki Kobayashi

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1982-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kimiyuki Kobayashi. Retrieved from https://idiyas.com/inventor/kimiyuki-kobayashi

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 1982-1984

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2 patents (USPTO):Explore Patents

Title: Kimiyuki Kobayashi: Innovator in Reactive Dye Production

Introduction

Kimiyuki Kobayashi is a notable inventor based in Minoo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of reactive dyes. With a total of 2 patents to his name, Kobayashi's work has had a substantial impact on the industry.

Latest Patents

Kobayashi's latest patents focus on processes for the production of sulfuric acid semiesters. The first patent describes a compound that contains at least one --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 M group, where M can be hydrogen or an alkali metal. This compound is useful as a reactive dye for dyeing cellulose fiber materials or as an intermediate for producing such reactive dyes. The process allows for industrial production in high yield and quality through the esterification of a compound with --SO.sub.2 CH.sub.2 CH.sub.2 OH using a sulfuric acid-esterifying agent in the presence of a water-insoluble organic solvent and a secondary or tertiary amine. The second patent outlines a similar process, emphasizing the efficiency and quality of the production method.

Career Highlights

Kobayashi is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate in the field of chemical production. His expertise in reactive dyes has positioned him as a key figure in the company, contributing to advancements in dye technology.

Collaborations

Kobayashi has worked alongside notable colleagues such as Hiroyuki Nakagawa and Mikio Sugihara. Their collaborative efforts have further enhanced the research and development of new chemical processes.

Conclusion

Kimiyuki Kobayashi's contributions to the field of reactive dye production through his innovative patents demonstrate his commitment to advancing chemical engineering. His work continues to influence the industry positively.

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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