Kanagawa, Japan

Tomoko Ohsumi

This inventor holds 2 USPTO granted patents. Top assignees: Sogo Pharmaceutical Co., Ltd., Sugo Pharmaceutical Company Limited. Active years: 1997-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoko Ohsumi. Retrieved from https://idiyas.com/inventor/tomoko-ohsumi

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 = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1997-1999

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2 patents (USPTO):Explore Patents

Title: Tomoko Ohsumi: Innovator in Amino Acid Production

Introduction

Tomoko Ohsumi is a prominent inventor based in Kanagawa-ken, Japan. She has made significant contributions to the field of amino acid production, particularly through her innovative processes for producing taurine analogues. With a total of 2 patents to her name, Ohsumi's work has implications for various industries, including pharmaceuticals and biochemistry.

Latest Patents

Ohsumi's latest patents focus on a process for producing amino/guanidinothiosulfonic acid. This process involves treating a styrenedivinylbenzene copolymer sulfonate of amino/guanidinoethyl disulfoxide with an alkali. The method selectively elutes amino/guanidinosulfinic acid, which is then reacted in a non-aqueous solvent in the presence of a base. The reaction product is subsequently passed through a weakly acidic cation exchange resin column. This innovative approach allows for the industrial production of high-purity hypotaurine, thiotaurine, and similar compounds.

Career Highlights

Throughout her career, Tomoko Ohsumi has worked with notable companies, including Sogo Pharmaceutical Co., Ltd. and Sugo Pharmaceutical Company Limited. Her expertise in the field has led to advancements in the production of essential amino acids, showcasing her commitment to innovation and research.

Collaborations

Ohsumi has collaborated with esteemed colleagues, including Manabu Katsumata and Tomoyasu Tashiro. These partnerships have further enriched her research and development efforts, contributing to her success as an inventor.

Conclusion

Tomoko Ohsumi's contributions to the field of amino acid production through her innovative patents highlight her role as a leading inventor. Her work not only advances scientific knowledge but also has practical applications in various industries.

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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