This inventor holds 1 USPTO granted patent and 2 published patent applications and 1 EPO patent. Top assignees: Jsr Corporation, Keio University. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1,078 
1 out of 361 
Years Active: 2026
Title: Ryo Igarashi and Liver Organoid Innovation.
Introduction
Ryo Igarashi is an inventor associated with Tokyo, Japan. His patent work concerns liver organoids, laboratory-grown models that can support research into liver biology and function.
Latest Patents
Igarashi is named on 1 patent: “Proliferative liver organoid, metabolically activated liver organoid, and use thereof.” The invention describes producing a proliferative liver organoid by culturing liver stem cells, or tissue containing them, in a growth medium with an interleukin-6 family cytokine. It also describes producing a metabolically activated liver organoid by culturing the proliferative organoid in a differentiation medium that does not substantially contain such a cytokine.
Career Highlights
The information provided associates Igarashi with JSR Corporation and Keio University. These affiliations connect his work to both a company and a university setting.
Collaborations
Norio Masuda and Toshiro Sato are identified as Igarashi’s coworkers. Their names provide context for the professional network associated with his work.
Conclusion
Ryo Igarashi’s patent focuses on methods for producing proliferative and metabolically activated liver organoids, reflecting an innovation in organoid research.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile