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For the Inventor, By the Inventor

Tokyo, Japan

Kazuhiko Tanzawa

This inventor holds 5 USPTO granted patents. Top assignee: Sankyo Company, Limited. Active years: 1982-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Tanzawa. Retrieved from https://idiyas.com/inventor/kazuhiko-tanzawa

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Hiromachi, JP (1982)
  • Tokyo, JP (1992 - 1997)
  • Koganei, JP (2004)

Company Filing History:

goldMedal5 out of 613 
 
Sankyo Company, Limited
 patents

Years Active: 1982-2004

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5 patents (USPTO):Explore Patents
1. 6673804 - Sulfonamide derivatives (2004-01-06),
2. 5643908 - Collagenase inhibitor (1997-07-01),
3. 5436231 - Adenophostins (1995-07-25),
4. 5112807 - Compound 'Leualacin', its preparation and its use in the treatment of (1992-05-12),
5. 4323648 - Preparation of Monacolin K (1982-04-06),

Title: Kazuhiko Tanzawa: Innovator in Sulfonamide Derivatives

Introduction

Kazuhiko Tanzawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of sulfonamide derivatives. With a total of 5 patents to his name, Tanzawa continues to push the boundaries of innovation in his industry.

Latest Patents

His latest patents focus on collagenase inhibitors, which have the potential to impact various medical treatments. These innovations are crucial in addressing conditions that require the inhibition of collagenase activity, showcasing his commitment to advancing healthcare solutions.

Career Highlights

Kazuhiko Tanzawa is currently employed at Sankyo Company, Limited, where he applies his expertise to develop new therapeutic agents. His work at this esteemed organization has allowed him to contribute to groundbreaking research and product development in the pharmaceutical sector.

Collaborations

Throughout his career, Tanzawa has collaborated with notable colleagues, including Kouhei Furuya and Seigo Iwado. These partnerships have fostered a collaborative environment that enhances the innovation process and leads to successful outcomes in their projects.

Conclusion

Kazuhiko Tanzawa is a dedicated inventor whose work in sulfonamide derivatives and collagenase inhibitors exemplifies his commitment to advancing medical science. His contributions at Sankyo Company, Limited, along with his collaborations, highlight his significant role in the pharmaceutical industry.

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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