Otsu, Japan

Masaaki Motoyama

This inventor holds 5 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Otsuka Pharmaceutical Company, Limited. Active years: 1995-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Motoyama. Retrieved from https://idiyas.com/inventor/masaaki-motoyama

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

USPTO Granted Patents = 5 

% Patents Active = 40.0

 

Average Co-Inventor Count = 8.7

ph-index = 3

Forward Citations = 45(Granted Patents)


Location History:

  • Shiga, JP (1995)
  • Otsu, JP (1997 - 2012)
  • Osaka, JP (2013)

Company Filing History:


Years Active: 1995-2013

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5 patents (USPTO):Explore Patents

Title: Masaaki Motoyama: Innovator in Pharmaceutical Chemistry

Introduction

Masaaki Motoyama is a distinguished inventor based in Otsu, Japan. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of five patents. His work focuses on the development of innovative compounds that have the potential to impact medical treatments.

Latest Patents

Among his latest patents, one notable invention is a heterocyclic compound and pharmaceutical composition thereof. This invention provides a heterocyclic compound represented by General Formula (1). Another significant patent is the STAT3/5 activation inhibitor, which aims to provide an inhibitor containing an aromatic compound represented by a specific general formula or a salt thereof as an active ingredient. This compound is designed to target specific biological pathways, showcasing Motoyama's expertise in medicinal chemistry.

Career Highlights

Masaaki Motoyama is currently employed at Otsuka Pharmaceutical Company, Limited, where he continues to advance his research and development efforts. His work at Otsuka has allowed him to collaborate with other talented professionals in the field, further enhancing his contributions to pharmaceutical innovations.

Collaborations

Some of his notable coworkers include Keisuke Miyajima and Koichi Yasumura. Their collaborative efforts have played a crucial role in the success of various projects within the company.

Conclusion

Masaaki Motoyama's innovative work in pharmaceutical chemistry and his contributions to the development of new compounds highlight his importance in the field. His patents reflect a commitment to advancing medical science and improving patient outcomes.

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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