This inventor holds 4 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 3 EPO patents. Top assignees: Fujifilm Toyama Chemical Co., Ltd., Toyama Chemical Co., Ltd.. Active years: 2010-2019.
Company Filing History:
2 out of 37 
2 out of 159 Years Active: 2010-2019
Title: Sayuri Uehara: Innovator in Chemical Production
Introduction
Sayuri Uehara is a prominent inventor based in Toyama, Japan. She has made significant contributions to the field of chemical production, particularly in the development of methods to reduce impurities in chemical compounds. With a total of 4 patents to her name, Uehara's work is recognized for its innovative approaches and practical applications.
Latest Patents
One of Uehara's latest patents focuses on the crystal forms of 6-bromo-3-hydroxy-2-pyrazinecarboxamide. The purpose of this invention is to provide a method for producing 6-bromo-3-hydroxy-2-pyrazinecarboxamide with a reduced content ratio of impurities. This production method includes a step of obtaining 6-bromo-3-hydroxy-2-pyrazinecarboxamide crystals that exhibit specific diffraction angles in powder X-ray diffraction, ensuring high purity and quality in the final product.
Career Highlights
Throughout her career, Uehara has worked with notable companies such as Toyama Chemical Co., Ltd. and Fujifilm Toyama Chemical Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to advancements in chemical production techniques.
Collaborations
Uehara has collaborated with esteemed colleagues, including Yu Koseki and Takayoshi Tsuzuki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Sayuri Uehara's contributions to the field of chemical production highlight her role as an influential inventor. Her innovative methods and dedication to reducing impurities in chemical compounds continue to impact the industry positively.