Kobe, Japan

Yoshiya Yamahira

This inventor holds 13 USPTO granted patents. Top assignees: Sumitomo Chemical Company, Limited, Sumitomo Pharmaceuticals Company Limited, Yamanouchi Pharmaceutical Company Ltd.. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiya Yamahira. Retrieved from https://idiyas.com/inventor/yoshiya-yamahira

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 = 7

Forward Citations = 397(Granted Patents)


Location History:

  • Takatsuki, JA (1976)
  • Osaka, JP (1980 - 1985)
  • Ibaraki, JP (1981 - 1989)
  • Kobe, JP (1988 - 1995)

Company Filing History:


Years Active: 1976-1995

Loading Chart...
13 patents (USPTO):Explore Patents

Title: Yoshiya Yamahira: Innovator in Sustained-Release Technologies

Introduction

Yoshiya Yamahira is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of sustained-release injection technologies. With a total of 13 patents to his name, Yamahira's work has had a lasting impact on drug delivery systems.

Latest Patents

Yamahira's latest patents include innovative formulations for sustained-release injections. One notable invention is a sustained-release injection that comprises a suspension of a powder containing an active ingredient and a biodegradable carrier. This carrier can include proteins, polysaccharides, and synthetic high molecular compounds, such as collagen and gelatin. The injection is designed to release the active ingredient at an effective level over an extended period. Another significant patent is a sustained-release preparation of indomethacin or interferon, which utilizes a biodegradable carrier, particularly collagen or gelatin. This preparation is especially suitable for parenteral administration and ensures a prolonged release of the active ingredient.

Career Highlights

Throughout his career, Yoshiya Yamahira has worked with notable companies, including Sumitomo Chemical Company, Limited and Sumitomo Pharmaceuticals Company Limited. His experience in these organizations has allowed him to refine his expertise in pharmaceutical innovations and contribute to the advancement of drug delivery systems.

Collaborations

Yamahira has collaborated with esteemed colleagues, including Keiji Fujioka and Shigeji Sato. These partnerships have fostered a collaborative environment that has led to the development of groundbreaking technologies in the pharmaceutical industry.

Conclusion

Yoshiya Yamahira's contributions to sustained-release technologies have positioned him as a key figure in the pharmaceutical field. His innovative patents and collaborations reflect his commitment to improving drug delivery systems. His work continues to influence the industry and enhance patient care through effective medication administration.

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]
Loading…