Toyonaka, Japan

Yoshiyuki Hirakawa

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Tanabe Seiyaku Company, Limited. Active years: 1990-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Hirakawa. Retrieved from https://idiyas.com/inventor/yoshiyuki-hirakawa

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 139(Granted Patents)


Location History:

  • Toyonaka, JP (1990 - 1993)
  • Kobe, JP (1995 - 1998)

Company Filing History:


Years Active: 1990-1998

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6 patents (USPTO):Explore Patents

Title: Innovations of Yoshiyuki Hirakawa

Introduction

Yoshiyuki Hirakawa is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of innovative drug delivery systems. With a total of 6 patents to his name, Hirakawa's work has the potential to enhance the efficacy of medicinal treatments.

Latest Patents

One of Hirakawa's latest patents is a pharmaceutical preparation controlled to release a medicinal active ingredient. This preparation is designed for oral administration and is specifically engineered to release the active ingredient at a targeted site in the intestinal tract. The formulation includes a core containing the medicinal active ingredient, surrounded by a press-coated layer made of an enteric polymer. This innovative design ensures that the active ingredient is not released during its passage through the stomach. Instead, it is discharged only after reaching the targeted site in the intestine, allowing for efficient delivery and improved therapeutic outcomes.

Career Highlights

Hirakawa is currently associated with Tanabe Seiyaku Company, Limited, where he continues to push the boundaries of pharmaceutical innovation. His work focuses on creating formulations that enhance the delivery and effectiveness of medications, which is crucial in treating various health conditions.

Collaborations

Hirakawa has collaborated with esteemed colleagues such as Hiroyuki Yoshino and Kazuo Noda. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise, further advancing the field of pharmaceutical sciences.

Conclusion

Yoshiyuki Hirakawa's contributions to pharmaceutical innovations demonstrate his commitment to improving drug delivery systems. His patents reflect a deep understanding of medicinal formulations and their applications in healthcare. Through his work, he continues to make a significant impact on the 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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