Kawanishi, Japan

Yoshinori Hamada

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Shionogi Company Limited. Active years: 1976-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshinori Hamada. Retrieved from https://idiyas.com/inventor/yoshinori-hamada

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 = 4.7

ph-index = 2

Forward Citations = 27(Granted Patents)


Location History:

  • Amagasaki, JA (1976)
  • Hyogo, JP (1986 - 1993)
  • Kawanishi, JP (1992 - 2000)

Company Filing History:


Years Active: 1976-2000

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6 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Yoshinori Hamada

Introduction: Yoshinori Hamada is a distinguished inventor based in Kawanishi, Japan. With a total of six patents to his name, he has made significant contributions to the field of chemistry, particularly through his work with Shionogi & Company Limited. His innovative spirit and dedication to research have helped push the boundaries of scientific knowledge and applications.

Latest Patents: Among his most recent achievements, Hamada has developed patents that include a new crystal form of a pyrrolidylthiocarbapenem derivative and a lyophilized preparation. Additionally, he holds a patent for a method aimed at the reduction of allyl alcohols, specifically targeting the allylic hydroxyl group without causing side reactions. This method involves treating the compound with trialkylsilane in the presence of aluminum halides, offering a novel approach to chemical reduction.

Career Highlights: Throughout his career, Yoshinori Hamada has demonstrated an exceptional ability to innovate within the pharmaceutical industry. His role at Shionogi & Company Limited underscores his expertise in developing practical and impactful solutions. His six patents reflect a commitment to advancing technology in enhancing medicinal compounds.

Collaborations: Hamada's innovative work is complemented by collaborations with esteemed colleagues such as Isamu Yamada and Mitsuaki Ohtani. Together, they share a common goal of discovering and developing cutting-edge pharmaceutical products that can greatly benefit public health.

Conclusion: Yoshinori Hamada's contributions to the field of chemistry and pharmaceuticals exemplify the spirit of innovation. With a strong portfolio of patents and a collaborative approach to research, he continues to influence advancements within the industry at Shionogi & Company Limited. His work not only represents individual achievement but also paves the way for future innovations in health and 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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