Tokyo, Japan

Akihiro Umezawa

This inventor holds 6 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Hitachi, Ltd., Dai Nippon Printing Co., Ltd., Japan Science and Technology Agency. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiro Umezawa. Retrieved from https://idiyas.com/inventor/akihiro-umezawa

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

USPTO Granted Patents = 6 

% Patents Active = 66.7

 

Average Co-Inventor Count = 3.1

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Hadano, JP (2012)
  • Tokyo, JP (2011 - 2017)

Company Filing History:


Years Active: 2011-2025

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6 patents (USPTO):Explore Patents

Title: Akihiro Umezawa: Innovator in Gut Organoid Technology

Introduction

Akihiro Umezawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of biotechnology, particularly in the development of gut organoids and methods for producing them. With a total of 6 patents, Umezawa's work is paving the way for advancements in drug testing and regenerative medicine.

Latest Patents

One of Umezawa's latest patents is focused on a gut organoid that includes a tissue structure enclosing a cavity. This innovative gut organoid allows for the testing of drugs by providing a test drug in the presence of a buffer solution, enabling the liquid to enter the cavity for collection and analysis. Another notable patent involves a method for preparing functional hepatic progenitor cells or small intestinal epithelial progenitor cells. This method includes culturing an isolated cell population in the presence of an antibiotic, resulting in a substantially homogeneous isolated cell population with enhanced expression levels of key markers.

Career Highlights

Throughout his career, Umezawa has worked with notable companies such as Hitachi, Ltd. and Dai Nippon Printing Co., Ltd. His experience in these organizations has contributed to his expertise in biotechnology and innovation.

Collaborations

Umezawa has collaborated with esteemed colleagues, including Nobuo Yagi and Norihiko Komoriya. These partnerships have further enriched his research and development efforts in the field.

Conclusion

Akihiro Umezawa's contributions to gut organoid technology and his innovative methods for cell preparation highlight his role as a leading inventor in biotechnology. His work continues to influence advancements in drug testing and regenerative 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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