Ken-ichi Numata

Title: Ken-ichi Numata: Innovator in Peptide Antibiotics

Introduction

Ken-ichi Numata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of peptide antibiotics, holding a total of 5 patents. His work focuses on novel peptides that exhibit antibiotic and antitumor activity, showcasing his dedication to advancing medical science.

Latest Patents

Numata's latest patents involve the development of novel peptides of the formula ##STR1##, wherein R is CH.sub.3 --(CH.sub.2).sub.6, CH.sub.3 --(CH.sub.2).sub.4 --CH.dbd.CH--(CH.sub.2).sub.2, and CH.sub.3 (CH.sub.2).sub.8. These peptides are prepared through the cultivation of the novel microorganism Polyangium brachysporum. The enzymatic hydrolysis of these peptides yields other peptides that serve as intermediates in the preparation of compounds with antibiotic and/or antitumor properties.

Career Highlights

Throughout his career, Ken-ichi Numata has worked with notable companies, including Bristol-Myers Company and Bristol-Myers Squibb Company. His experience in these organizations has allowed him to refine his expertise in peptide research and development.

Collaborations

Numata has collaborated with esteemed colleagues such as Masataka Konishi and Koji Tomita. These partnerships have contributed to the advancement of his research and the successful development of his patented innovations.

Conclusion

Ken-ichi Numata's work in the field of peptide antibiotics has made a significant impact on medical research. His innovative approaches and collaborations continue to pave the way for advancements in antibiotic and antitumor therapies.