This inventor holds 2 USPTO granted patents. Top assignees: Nagase Co., Ltd., Nagase Chemicals Ltd.. Active years: 2000-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kobe, JP (2000)
- Himeji, JP (2007)
Company Filing History:

Years Active: 2000-2007
Title: Yasuo Chikusa: Innovator in Pharmaceutical Chemistry
Introduction
Yasuo Chikusa is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of methods for producing optically active compounds. With a total of 2 patents to his name, Chikusa's work has had a meaningful impact on the industry.
Latest Patents
One of Chikusa's latest patents is titled "Process for producing optically active flurbiprofen." This invention provides a method for producing optically active flurbiprofen by mixing racemic flurbiprofen with (S)- or (R)-3-methyl-2-phenylbutylamine in an organic solvent to create a diastereomeric salt. The process further involves treating the diastereomeric salt with an acid in a second solvent. This innovative method allows for the efficient production of flurbiprofen with a desired absolute configuration without the need for multiple rounds of optical resolution.
Career Highlights
Throughout his career, Yasuo Chikusa has worked with prominent companies such as Nagase & Company, Ltd. and Nagase Chemicals Ltd. His experience in these organizations has contributed to his expertise in pharmaceutical innovations.
Collaborations
Chikusa has collaborated with notable colleagues, including Shunji Kamiyama and Kazuto Yoshida. These partnerships have likely enhanced his research and development efforts in the field.
Conclusion
Yasuo Chikusa is a distinguished inventor whose work in pharmaceutical chemistry continues to influence the industry. His innovative methods for producing optically active compounds demonstrate his commitment to advancing scientific knowledge and practical applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile