Company Filing History:
Years Active: 1981-1991
Title: The Innovative Contributions of Zenzaburo Tozuka
Introduction
Zenzaburo Tozuka is a prominent inventor based in Toyonaka, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of cephem compounds. With a total of 11 patents to his name, Tozuka's work has had a considerable impact on antimicrobial treatments.
Latest Patents
Among his latest patents, Tozuka has developed cephem compounds that exhibit high antimicrobial activity. One of his notable inventions includes a cephem compound characterized by a specific formula, where R¹ is amino, R² can be hydrogen, phenyl, pyridyl with possible lower alkyl groups, or cyano, and R³ is carboxy or a protected carboxy, or a salt thereof. Additionally, he has patented processes for the preparation of cephem compounds, which include a compound formula where R¹ is lower alkyl, lower alkanoyl, aryl, ar(lower)alkyl, or a heterocyclic group, each potentially having suitable substituents.
Career Highlights
Tozuka has been associated with Fujisawa Pharmaceutical Company, Ltd., where he has played a crucial role in advancing pharmaceutical innovations. His expertise in antimicrobial compounds has positioned him as a key figure in the industry.
Collaborations
Throughout his career, Tozuka has collaborated with notable colleagues, including Takao Takaya and Nobuyoshi Yasuda. These partnerships have further enhanced his research and development efforts in the pharmaceutical sector.
Conclusion
Zenzaburo Tozuka's contributions to the field of pharmaceuticals, particularly through his innovative cephem compounds, highlight his importance as an inventor. His work continues to influence antimicrobial treatments and showcases the impact of dedicated research and collaboration in the industry.