Tokyo, Japan

Ritsuo Aiyama

This inventor holds 6 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 1 EPO patent. Top assignee: Kabushiki Kaisha Yakult Honsha. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ritsuo Aiyama. Retrieved from https://idiyas.com/inventor/ritsuo-aiyama

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 = 6.1

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Tokyo, JP (1998 - 2012)
  • Minato-ku, JP (2014)

Company Filing History:


Years Active: 1998-2014

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6 patents (USPTO):Explore Patents

Title: Ritsuo Aiyama: Innovator in Cancer and Skin Aging Research

Introduction

Ritsuo Aiyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of cancer treatment and dermatology. With a total of 6 patents to his name, Aiyama's work focuses on innovative solutions for pressing health issues.

Latest Patents

One of Aiyama's latest patents is a BCRP/ABCG2 inhibitor, which targets the breast cancer resistance protein. This inhibitor contains an acrylonitrile derivative or a salt thereof as its active ingredient. Another notable patent is for compositions aimed at retarding skin aging. This composition includes an edible herb medicine found in Taiwan, particularly a plant extract with various beneficial properties. These properties include inhibiting melanin formation, elastase, and hyaluronidase, as well as providing antioxidant activities. The composition is designed to promote skin whitening, maintain skin tension and elasticity, facilitate skin moisture, and offer anti-inflammatory and anti-allergic benefits.

Career Highlights

Aiyama is associated with Kabushiki Kaisha Yakult Honsha, where he continues to innovate and develop new products. His work has garnered attention in both the medical and cosmetic fields, showcasing his versatility as an inventor.

Collaborations

Aiyama collaborates with notable colleagues such as Masato Nagaoka and Ryuta Yamazaki. Their combined expertise contributes to the advancement of their research and development efforts.

Conclusion

Ritsuo Aiyama stands out as a key figure in the innovation of treatments for cancer and skin aging. His patents reflect a commitment to improving health and wellness through scientific research and development.

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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