Location History:
- Fuchu, JP (1988 - 1992)
- Tokyo, JP (1988 - 2012)
Company Filing History:
7 out of 35,774 
2 out of 637 
1 out of 3,687 
Years Active: 1988-2012
Title: Keiichi Numata: Innovator in Antibiotics and High-Frequency Technology
Introduction
Keiichi Numata is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the fields of antibiotics and high-frequency technology. With a total of 11 patents to his name, Numata has made remarkable advancements that have the potential to impact both medical and technological sectors.
Latest Patents
Numata's latest patents include a series of novel antibiotics, specifically bispolides A1, A2, A3, B1, B2a, B2b, and B3. These antibiotics are produced through the cultivation of a microbial strain isolated from a soil sample, designated as sp. A 34030, which has been deposited under access number FERM BP-10505 in accordance with the Budapest Treaty. Each bispolide exhibits high antibacterial activity against various bacteria, particularly Gram-positive bacteria and their antibiotic-resistant strains. This makes them effective for therapeutically treating bacterial infections in both humans and animals. Additionally, he has developed a high-frequency switch circuit designed to suppress distortion in signals. This circuit utilizes a field effect transistor with multiple bias circuits to generate and supply bias voltages, ensuring efficient signal passage.
Career Highlights
Throughout his career, Keiichi Numata has worked with notable companies such as NEC Corporation and Bristol-Myers Company. His work has not only advanced scientific understanding but has also led to practical applications in the medical and technological fields.
Collaborations
Numata has collaborated with esteemed colleagues, including Masahisa Oka and Tadashi Maeda, contributing to a rich exchange of ideas and innovations.
Conclusion
Keiichi Numata's contributions to antibiotic development and high-frequency technology underscore his role as a leading inventor. His work continues to influence both the medical and technological landscapes, showcasing the importance of innovation in addressing contemporary challenges.