Tsukuba, Japan

Hisashi Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Hisamitsu Pharmaceutical Company, Inc.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Yamaguchi. Retrieved from https://idiyas.com/inventor/hisashi-yamaguchi-sc5euca8

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 = 3.0

ph-index = 1

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Celebrating Hisashi Yamaguchi: An Innovator in Pharmaceutical Patents

Introduction: Hisashi Yamaguchi is a prominent inventor based in Tsukuba, Japan, known for his significant contribution to the pharmaceutical industry. With a focus on innovative drug delivery systems, Yamaguchi has received recognition for his work, including one key patent that reflects his commitment to advancing medical technology.

Latest Patents: Hisashi Yamaguchi holds a patented innovation titled "Percutaneously Administrable Patch Preparation." This invention demonstrates his creativity and dedication to developing more effective methods for drug administration, aiming to enhance patient comfort and treatment efficacy.

Career Highlights: Yamaguchi is currently employed at Hisamitsu Pharmaceutical Company, Inc., where he continues to contribute to research and development in the healthcare sector. His work is instrumental in the company’s initiatives to create advanced pharmaceutical solutions that benefit patients worldwide.

Collaborations: Throughout his career, Yamaguchi has worked alongside esteemed colleagues, including Hiroyuki Maeda and Yoshirou Kamihoriuchi. Their collaborative efforts foster an environment of innovation and problem-solving, making strides in the world of pharmaceuticals.

Conclusion: Hisashi Yamaguchi exemplifies the spirit of innovation in the pharmaceutical field. His patented invention, backed by a strong collaborative network, not only highlights his expertise but also illustrates the potential for advancements in drug delivery methods. As he continues his work at Hisamitsu Pharmaceutical Company, Yamaguchi remains a vital contributor to improving healthcare solutions.

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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