Yotsukaido, Japan

Tadatoshi Kuriyama

This inventor holds 1 USPTO granted patent. Top assignee: Ss Pharmaceutical Co., Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadatoshi Kuriyama. Retrieved from https://idiyas.com/inventor/tadatoshi-kuriyama

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Tadatoshi Kuriyama

Introduction

Tadatoshi Kuriyama is a notable inventor based in Yotsukaido, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of anti-inflammatory medications. His work has led to advancements that benefit both the medical community and patients.

Latest Patents

Kuriyama holds a patent for a process titled "Process for preparing 21-desoxyprednisolone 17-esters." This innovative process involves reacting a prednisolone 17.alpha.,21-cyclic orthoester with an acid in a 40-60% lower alcohol solution. The result is a prednisolone 17-ester, which is then sulfonylated into a prednisolone 17-ester 21-sulfonate. The final step involves reacting the sulfonate with an alkali metal iodide in methyl ethyl ketone, producing high-purity 21-desoxyprednisolone 17-esters. This process ensures economical industrial production in high yield through simple procedures.

Career Highlights

Kuriyama is associated with Ss Pharmaceutical Co., Ltd., where he continues to innovate in the pharmaceutical sector. His work has been instrumental in enhancing the production of effective local anti-inflammatory medicines. With a focus on high purity and yield, his contributions are vital to the industry.

Collaborations

Throughout his career, Kuriyama has collaborated with esteemed colleagues such as Masaki Ogawa and Susumu Sato. These partnerships have fostered an environment of innovation and have led to significant advancements in their field.

Conclusion

Tadatoshi Kuriyama's contributions to pharmaceutical innovation, particularly through his patented processes, highlight his role as a key figure in the industry. His work not only advances medical science but also improves patient care through effective treatments.

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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