Company Filing History:
Years Active: 1984-1990
Title: Kohki Kiyoshima: Innovator in Antibiotic Derivatives
Introduction
Kohki Kiyoshima is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of antibiotic research, particularly in the development of tylosin derivatives. His work has led to advancements in the synthesis of important pharmaceutical compounds.
Latest Patents
Kiyoshima holds 2 patents, with his latest inventions focusing on tylosin derivatives and processes for producing them. These derivatives are represented by a specific general formula, where R denotes various chemical groups. His inventions are particularly useful as intermediates for synthesizing 4'-acyl derivatives of tylosin. The methods he developed allow for the selective protection of hydroxyl groups in tylosin, enhancing the efficiency of the synthesis process. Additionally, he has worked on derivatives of macrolide antibiotics, contributing to the broader field of antibiotic research.
Career Highlights
Throughout his career, Kiyoshima has been associated with several companies, including Sanraku-Ocean Co., Ltd. and Sanraku Incorporated. His work in these organizations has allowed him to focus on innovative solutions in antibiotic development.
Collaborations
Kiyoshima has collaborated with notable individuals in his field, including Rokuro Okamoto and Hamao Umezawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Kohki Kiyoshima's contributions to antibiotic research through his patents and collaborations highlight his role as a significant inventor in the pharmaceutical industry. His work continues to influence the development of new and effective antibiotic treatments.