Machida, Japan

Chikahiro Urakawa

This inventor holds 3 USPTO granted patents. Top assignees: Kyowa Hakko Kogyo Co., Ltd., Kyowa Hakko Kogyo Kabushiki Kaisha. Active years: 1977-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chikahiro Urakawa. Retrieved from https://idiyas.com/inventor/chikahiro-urakawa

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 = 3.7

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Machida, JA (1977)
  • Machida, JP (1980 - 1981)

Company Filing History:


Years Active: 1977-1981

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3 patents (USPTO):Explore Patents

Title: Chikahiro Urakawa: Innovator in Antibacterial and Antitumor Compounds

Introduction

Chikahiro Urakawa is a notable inventor based in Machida, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of mitomycin derivatives. With a total of 3 patents, his work has focused on creating compounds with antibacterial and antitumor properties.

Latest Patents

Urakawa's latest patents include innovative mitomycin derivatives. These new compounds are produced through semi-synthetic processes and fermentative methods, showcasing their antibacterial activity. One of his notable inventions is a new derivative of mitomycin C, which is represented by a specific formula. This derivative can either have a hydroxy group or an amino group, leading to the designations of 7-N-(p-hydroxyphenyl)-mitomycin C and 7-N-(p-aminophenyl)-mitomycin C, respectively. These compounds are synthesized by reacting mitomycin A with p-aminophenyl or p-phenylenediamine, and they exhibit promising antitumor and antibacterial activities.

Career Highlights

Throughout his career, Urakawa has worked with prominent companies in the pharmaceutical industry. He has been associated with Kyowa Hakko Kogyo Co., Ltd. and Kyowa Hakko Kogyo Kabushiki Kaisha, where he contributed to various research and development projects. His expertise in the field has led to significant advancements in drug development.

Collaborations

Urakawa has collaborated with several professionals in his field, including Kinichi Nakano and Kazuyuki Mineura. These collaborations have further enhanced his research and innovation capabilities.

Conclusion

Chikahiro Urakawa's contributions to the development of mitomycin derivatives highlight his role as an innovator in the pharmaceutical industry. His work continues to impact the fields of antibacterial and antitumor research, showcasing the importance of innovation in medicine.

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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