Patents Assigned to Gohta Masuda
  • Method and apparatus for assessing anti-bacterial activity of antibiotics
    Patent number: 4146433
    Abstract: A novel and time saving method for assessing bactericidal activities of antibiotics on agar plates is described. Minimal inhibiting concentrations (MIC) are determined by the agar dilution method. An antibiotic inactivating enzyme solution is sprayed onto the plates to inactivate the antibiotic. After further incubation, the minimal concentration at which no visible growth occurred on the plates is determined and is defined as minimal bactericidal concentration (MBC).
    Type: Grant
    Filed: November 29, 1977
    Date of Patent: March 27, 1979
    Assignee: Gohta Masuda
    Inventors: Gohta Masuda, Susumu Tomioka