This inventor holds 3 USPTO granted patents. Top assignees: Asahi Glass Company, Limited, Dainippon Pharmaceutical Company, Limited. Active years: 1990-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1990 - 1995)
- Kanagawa, JP (2001)
Company Filing History:


Years Active: 1990-2001
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile