This inventor holds 33 USPTO granted patents, primarily in Antibiotic Chemistry. Top assignees: Meiji Seika Kaisha, Ltd., Meiji Seika Kabushiki Kaisha, Koichi Shudo. Active years: 1976-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Zama, JA (1976)
- Ayase, JA (1977)
- Kanagawa-ken, JP (1997 - 1999)
- Yokohama, JP (1981 - 2004)
- Kanagawa, JP (1979 - 2005)
Company Filing History:
25 out of 382 
6 out of 32 
2 out of 6 Years Active: 1976-2005
Areas of Expertise:
Title: Innovations and Contributions of Katsuyoshi Iwamatsu
Introduction: Katsuyoshi Iwamatsu is a renowned inventor based in Yokohama, Japan. With a remarkable portfolio of 33 patents, he has made significant contributions to the field of pharmaceuticals and medicinal chemistry. His innovative work focuses on developing compounds that offer therapeutic benefits with minimized side effects.
Latest Patents: One of his notable inventions is a serotonin 5-HT3 receptor partial activator. This invention provides a unique solution by activating the serotonin 5-HT3 receptor while also having antagonistic properties. Importantly, this activator does not cause constipation, a common side effect associated with similar drugs. The invention is based on newly synthesized benzoxazole derivatives that exhibit strong serotonin receptor activity and antagonism. The chemical structure includes variables that allow for significant customization of the compounds, enhancing their versatility in therapeutic applications.
Another significant contribution from Iwamatsu includes the development of carbapenem derivatives of quaternary salt type, which promise potential improvements in antibiotic treatments. His innovative approaches in both areas reflect his commitment to advancing medical science and improving patient outcomes.
Career Highlights: Throughout his career, Katsuyoshi Iwamatsu has worked with esteemed companies, including Meiji Seika Kaisha Ltd. and Meiji Seika Kabushiki Kaisha. His experiences in these organizations have played a crucial role in shaping his research and innovations.
Collaborations: Iwamatsu has collaborated with several notable colleagues, including Kunio Atsumi and Seiji Shibahara. These collaborations have fostered an environment of shared knowledge and innovative thinking, further enhancing the impact of his work in the pharmaceutical industry.
Conclusion: Katsuyoshi Iwamatsu's extensive patent portfolio and groundbreaking inventions highlight his influential role in the field of medicinal chemistry. His focus on creating effective treatments with fewer side effects reflects a deep understanding of the complexities of pharmacology. As a leading inventor, his contributions continue to pave the way for future innovations in healthcare.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile