Nagaokakyo, Japan

Kentaro Hiraga

This inventor holds 8 USPTO granted patents and 11 published patent applications. Top assignee: Takeda Chemical Industries, Inc.. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kentaro Hiraga. Retrieved from https://idiyas.com/inventor/kentaro-hiraga

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Kyoto, JA (1977)
  • Nagaokakyo, JA (1976 - 1978)
  • Nagaokakyo, JP (1982 - 1989)

Company Filing History:


Years Active: 1976-1989

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8 patents (USPTO):Explore Patents

Title: Kentaro Hiraga: Innovator in Antianxiety Compounds

Introduction

Kentaro Hiraga is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of compounds that exhibit antianxiety effects. With a total of 8 patents to his name, Hiraga's work is recognized for its potential impact on mental health treatments.

Latest Patents

Hiraga's latest patents include innovative compounds such as pyrrols [3,4-8]pyrazine derivatives. These compounds are characterized by a specific formula where X represents a cyclic group that may be substituted, Y is a carboxyl group that can be esterified or amidated, and Z includes various chemical structures. These compounds have demonstrated a strong antianxiety effect in mammalian animals and are useful for preventing or treating psychoromatic diseases and anxiety neurosis. Another patent involves 1,3-dithiolano-, 1,4-dithiino-, and 1,4-dithiepino[2,3-C]pyrrole, which shares similar properties and applications.

Career Highlights

Kentaro Hiraga is currently associated with Takeda Chemical Industries, Inc., a leading pharmaceutical company. His work at Takeda has allowed him to focus on the development of innovative therapeutic solutions that address mental health issues.

Collaborations

Hiraga has collaborated with notable colleagues in his field, including Yoshiaki Saji and Kouichi Yoshioka. These collaborations have contributed to the advancement of research and development in antianxiety medications.

Conclusion

Kentaro Hiraga's contributions to the field of pharmaceuticals, particularly in the development of antianxiety compounds, highlight his innovative spirit and dedication to improving mental health treatments. His work continues to pave the way for future advancements in this critical area of healthcare.

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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