Location History:
- Yokohama, JP (2004 - 2007)
- Kamakura, JP (2011 - 2015)
- Kanagawa, JP (2022)
Company Filing History:
7 out of 382 
5 out of 27 
5 out of 107 
Years Active: 2004-2022
Title: Kazumi Yamamoto: Innovator in Quinoline Derivatives
Introduction
Kazumi Yamamoto, an accomplished inventor based in Kamakura, Japan, has made significant contributions to the field of chemistry, particularly in the development of quinoline derivatives. With a total of 13 patents to his name, his work showcases a blend of innovation and practical applications in industrial settings.
Latest Patents
Two of Yamamoto's latest patents include crucial methods for producing quinolin-4(1H)-one derivatives. The first patent describes a method for producing and isolating a target quinolone derivative with high purity using general industrial facilities. This involves reacting a ketone with an anthranilic acid derivative in the presence of an aluminum halide and subsequently removing the aluminum halide under basic conditions. His second patent is focused on a process for producing 4-carbonyl oxyquinoline derivatives, which are beneficial as agricultural and horticultural pesticides and fungicides. This process entails reacting a quinolone derivative with a halogenated compound or an acid anhydride in the presence of a phase transfer catalyst and a base.
Career Highlights
Over the course of his prolific career, Kazumi Yamamoto has worked with renowned companies such as Meiji Seika Kaisha, Ltd. and Nippon Kayaku Co., Ltd. These experiences have enriched his expertise and facilitated the advancement of his innovative research and development endeavors.
Collaborations
Yamamoto has collaborated with several notable individuals in his field, including Hiroshi Kurihara and Shizuo Shimano, contributing to a collective effort towards innovative breakthroughs in chemistry.
Conclusion
Kazumi Yamamoto stands as a distinguished figure in the realm of chemical inventions, particularly through his advancements in quinoline derivatives. His patents not only reflect his inventive spirit but also his commitment to creating practical solutions for various industrial applications. As such, his work continues to inspire future innovations in the field.