Nishinomiya, Japan

Shigeru Itoh

This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo. Active years: 1985-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Itoh. Retrieved from https://idiyas.com/inventor/shigeru-itoh

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 = 3.8

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1985-1990

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3 patents (USPTO):Explore Patents

Title: Shigeru Itoh: Innovator in Chemical Processes

Introduction

Shigeru Itoh is a notable inventor based in Nishinomiya, Japan. He has made significant contributions to the field of chemistry, particularly in the production of various chemical compounds. With a total of three patents to his name, Itoh's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a process for producing benzyl esters of aromatic hydroxycarboxylic acids. This innovative method allows for the production of highly pure benzyl esters in high yields by reacting an aromatic hydroxycarboxylic acid or its lower alkyl ester with benzyl alcohol in the presence of an organotin compound. Another significant patent involves a process for producing azo pigments, which includes coupling an aromatic diazonium compound with 3-hydroxy-2-naphthoic acid and at least one bis-naphthylmethane.

Career Highlights

Throughout his career, Shigeru Itoh has worked with prominent companies such as Kabushiki Kaisha Ueno Seiyaku Uno Kenkyujo and Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo. His experience in these organizations has contributed to his expertise in chemical processes and innovations.

Collaborations

Itoh has collaborated with notable individuals in his field, including Ryuzo Ueno and Hiroaki Tsuchiya. These partnerships have likely enhanced his research and development efforts.

Conclusion

Shigeru Itoh's contributions to chemical processes through his patents demonstrate his innovative spirit and dedication to advancing the field. His work continues to influence the industry and inspire future inventors.

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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