This inventor holds 2 USPTO granted patents. Top assignee: Shionogi Company Limited. Active years: 1994.
Company Filing History:
Years Active: 1994
Title: Kenji Mitsushima: Innovator in Cephalosporin Research
Introduction
Kenji Mitsushima is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of biotechnology, particularly in the development of cephalosporin antibiotics. With a total of 2 patents, Mitsushima's work has had a profound impact on antibiotic research and development.
Latest Patents
Mitsushima's latest patents include the "Cephalosporin acetylhydrolase gene and protein encoded by said gene." This patent describes a cephalosporin acetylhydrolase gene, a recombinant DNA molecule prepared by introducing the gene into a vector used in an E. coli host-vector system. It also details E. coli cells transformed with the recombinant DNA molecule, a protein with the amino acid sequence encoded by the gene, and an enzyme that is a multimer of the protein. This enzyme is useful for converting cephalosporins such as cephalosporin C and 7-ACA into deacetylated forms, which serve as intermediates for preparing various derivatized cephalosporin antibiotics. Another patent focuses on the "Cephalosporin acetylhydrolase gene from Bacillus subtilis," which shares similar applications and methodologies.
Career Highlights
Kenji Mitsushima is currently employed at Shionogi Company Limited, where he continues to advance his research in antibiotic development. His work is crucial in the ongoing fight against bacterial infections and the development of new therapeutic options.
Collaborations
Mitsushima has collaborated with notable colleagues such as Takayasu Sonoyama and Akio Takimoto. These partnerships have further enhanced the research and development efforts in the field of cephalosporin antibiotics.
Conclusion
Kenji Mitsushima's innovative work in cephalosporin research exemplifies the importance of biotechnology in modern medicine. His contributions continue to pave the way for advancements in antibiotic therapies.
