Yokohama, Japan

Tomoyuki Asai

This inventor holds 3 USPTO granted patents. Top assignees: Asahi Glass Company, Limited, Dainippon Pharmaceutical Company, Limited. Active years: 1990-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyuki Asai. Retrieved from https://idiyas.com/inventor/tomoyuki-asai-sbxprtls

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Yokohama, JP (1990 - 1995)
  • Kanagawa, JP (2001)

Company Filing History:


Years Active: 1990-2001

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3 patents (USPTO):Explore Patents

Title: Tomoyuki Asai: Inventor in Yokohama

Introduction

Tomoyuki Asai is an inventor associated with Yokohama, Japan. His patent record includes 3 patents in areas that include chemical processes and pharmaceutical compounds.

Latest Patents

Among Asai’s listed patents are “Method for Producing an Optically Active 1-Substituted 2-Propanol” and “Prostaglandin I₂ Derivatives.” These titles reflect work involving the production of optically active compounds and the development of prostaglandin derivatives.

Career Highlights

Asai is associated with Asahi Glass Company, Limited, and Dainippon Pharmaceutical Company, Limited. His listed patent work spans chemical and pharmaceutical subject matter.

Collaborations

Asai’s listed coworkers include Arata Yasuda and Buichi Fujitani. Their names provide context for the professional collaborations connected with his inventive work.

Conclusion

Tomoyuki Asai’s patent record highlights contributions in chemical and pharmaceutical innovation, alongside professional associations with two Japanese companies and fellow inventors.

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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