Tokyo, Japan

Koh-Ei Toyoshima

This inventor holds 1 USPTO granted patent and 3 published patent applications, plus 2 CIPO patents and 4 EPO patents. Top assignees: Organ Technologies, Inc., Riken Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koh-Ei Toyoshima. Retrieved from https://idiyas.com/inventor/koh-ei-toyoshima-x2pyowvc

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

 

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Koh-Ei Toyoshima: Innovator in Hair Follicle Regeneration

Introduction

Koh-Ei Toyoshima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of regenerative medicine, particularly in the area of hair follicle regeneration. His innovative approach has the potential to revolutionize treatments for hair loss.

Latest Patents

Koh-Ei Toyoshima holds a patent for a "Method for producing regenerated hair follicle primordium." This invention provides a method that allows for the easier and larger-scale production of regenerated hair follicle primordium compared to conventional methods. The method involves culturing a first population of epithelial cells and a second population of mesenchymal cells while allowing them to be in contact. Notably, at least one of these cell populations must form aggregates before contact, and a culture support is not used when the other population interacts with the cell aggregate. This innovative technique enhances the efficiency of hair follicle regeneration.

Career Highlights

Throughout his career, Koh-Ei Toyoshima has worked with prominent organizations such as Organ Technologies, Inc. and Riken Corporation. His work in these companies has allowed him to advance his research and contribute to the field of regenerative medicine.

Collaborations

Koh-Ei Toyoshima has collaborated with esteemed colleagues, including Takashi Tsuji and Yutaka Mori. These collaborations have further enriched his research and development efforts in hair follicle regeneration.

Conclusion

Koh-Ei Toyoshima's innovative methods in hair follicle regeneration highlight his significant contributions to regenerative medicine. His work continues to inspire advancements in the treatment of hair loss.

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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