Ibaraki, Japan

Masaharu Kigawa

This inventor holds 5 USPTO granted patents. Top assignee: Tsumura Co., Ltd.. Active years: 1993-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Kigawa. Retrieved from https://idiyas.com/inventor/masaharu-kigawa

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 = 6.8

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Inashiki, JP (1994)
  • Ibaraki, JP (1993 - 1995)
  • Ibaragi, JP (2000 - 2001)

Company Filing History:


Years Active: 1993-2001

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5 patents (USPTO):Explore Patents

Title: The Innovative Mind of Masaharu Kigawa

Introduction

Masaharu Kigawa, an accomplished inventor based in Ibaraki, Japan, has made significant contributions to the field of pharmaceuticals, particularly with his research on iridoid derivatives. With a total of five patents to his name, Kigawa continues to push the boundaries of innovation in medical science.

Latest Patents

Kigawa’s latest patents focus on "Iridoid derivatives and neovascularization inhibitors containing the same as active ingredient." His novel iridoid derivatives are represented by a general formula (I), showcasing his inventive prowess and dedication to discovering new therapeutic solutions. These patents reflect his commitment to advancing healthcare through innovative compounds that can potentially treat various medical conditions.

Career Highlights

Currently, Masaharu Kigawa is affiliated with Tsumura & Co., a prominent company known for its work in traditional herbal and modern pharmaceuticals. His efforts within the company have not only led to the development of innovative products but have also strengthened the company's position in the competitive pharmaceutical landscape.

Collaborations

Throughout his career, Kigawa has collaborated with esteemed colleagues such as Ichiro Arai and Akira Hatta. These partnerships have enhanced his research capabilities and have fostered an environment of shared knowledge and innovation, contributing to successful patent applications and groundbreaking discoveries.

Conclusion

Masaharu Kigawa's dedication to innovation in the pharmaceutical industry has resulted in valuable patents that continue to impact medical research and treatment. His journey exemplifies the importance of collaboration and persistence in the pursuit of groundbreaking inventions. As the field of medical science evolves, Kigawa’s contributions will undoubtedly play a crucial role in shaping future advancements.

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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