Patents by Inventor Mitsuo Hayashi

Mitsuo Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Aminoglycoside antibiotic G-367-2
    Patent number: 4349667
    Abstract: Aminoglycoside antibiotic G-367-2 believed to have the formula ##STR1## is produced by culturing Dactylosporangium thailandense G-367 FERM-P No. 4840 in a nutrient medium and separating the produced antibiotic therefrom. It has strong antibacterial effect against Gram negative bacteria.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: September 14, 1982
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tadashiro Fujii, Shuzo Satoi, Naoki Muto, Mitsuo Hayashi, Akira Kodama, Masaru Otani
  • Aminoglycoside antibiotic G-367-1 and method for the production thereof
    Patent number: 4297486
    Abstract: Aminoglycoside antibiotic G-367-1 believed to have the formulae ##STR1## is produced by culturing Dactylosporangium thailandense G-367 FERM-P No. 4840 in a nutrient medium and separating the produced antibiotic therefrom. It has strong antibacterial effect against Gram negative bacteria.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: October 27, 1981
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tadashiro Fujii, Shuzo Satoi, Naoki Muto, Mitsuo Hayashi, Akira Kodama, Masaru Otani
  • Novel macrolide antibiotics and preparation thereof
    Patent number: 4291021
    Abstract: A novel microorganism species belonging to the genus Micromonospora, i.e. Micromonospora sp. A 11725 is found to be capable of producing novel macrolide antibiotics A 11725 I, A 11725 II and A 11725 III. Novel antibiotics A 11725 Ia and A 11725 IIa are also found to be derived by chemical modification of the antibiotics A 11725 I and A 11725 II, respectively. All of these antibiotics or salts thereof exhibit excellent antibacterial and anti-mycoplasmal activities against various microorganisms such as Staphylococcus or Mycoplasma, and therefore useful for various purposes including medicaments.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: September 22, 1981
    Assignee: Toyo Jozo Company, Ltd.
    Inventors: Masaru Otani, Shuzo Satoi, Naoki Muto, Tetsu Saito, Tadashiro Fujii, Seiji Katsumata, Mitsuo Hayashi, Masaru Ono
  • Antibiotic planothiocins
    Patent number: 4288429
    Abstract: A group of sulfur-containing antibiotics, planothiocin-A, -B, -C, -D, -E, -F and -G, are produced by culturing Actinoplanes sp. A12526 in a nutrient medium, and separating the thus-produced planothiocins therefrom. The novel antibiotics have utility in therapeutic or prophylactic antibacterial compositions or feed additives for livestock, poultry or fish.
    Type: Grant
    Filed: August 5, 1980
    Date of Patent: September 8, 1981
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tadashiro Fujii, Satoshi Yaginuma, Naoki Muto, Mitsuo Hayashi