Kawasaki, Japan

Shigekatsu Tsuchiya

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Ajinomoto Co., Ltd.. Active years: 1979-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigekatsu Tsuchiya. Retrieved from https://idiyas.com/inventor/shigekatsu-tsuchiya

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


% Patents Active = 80.0


Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 51(Granted Patents)


Location History:

  • Yokosuka, JP (1979 - 1980)
  • Kawasaki, JP (2000 - 2009)

Company Filing History:


Years Active: 1979-2009

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5 patents (USPTO):Explore Patents

Title: Shigekatsu Tsuchiya: Innovator in Organic Chemistry

Introduction

Shigekatsu Tsuchiya is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of organic chemistry, particularly in the production of optically active compounds. With a total of 5 patents to his name, Tsuchiya's work has implications in various industries, including agriculture and pharmaceuticals.

Latest Patents

One of Tsuchiya's latest patents is a process for producing optically active carboxylic acid. This invention provides a method for producing optically active 2,2-dimethylcyclopropanecarboxylic acid by reacting an optical isomer mixture with an optically inactive amine. The process allows for the easy production of this important intermediate, which is crucial for the development of agricultural chemicals and medications. Another notable patent is related to the purification of human activin, utilizing cation exchange chromatography and chaotropic ion concentration gradient elution.

Career Highlights

Shigekatsu Tsuchiya is currently associated with Ajinomoto Co., Ltd., a leading company in the food and biotechnology sectors. His work at Ajinomoto has allowed him to focus on innovative solutions that enhance the efficiency and effectiveness of chemical processes.

Collaborations

Throughout his career, Tsuchiya has collaborated with notable colleagues, including Shinichi Inazuka and Daisuke Ejima. These collaborations have contributed to the advancement of research and development in their respective fields.

Conclusion

Shigekatsu Tsuchiya's contributions to organic chemistry and his innovative patents highlight his role as a key figure in the industry. His work continues to influence the development of important chemical processes and products.

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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