Patents Assigned to Maiji Seika Kaisha Ltd.
  • Preparation of cyclic depsipeptide compounds and a novel cyclic depsipeptide
    Patent number: 6043058
    Abstract: Known cyclic depsipeptides which are PE 1022F substance and PF 1022H substance, as well as a novel cyclic depsipeptide, PF 1022G substance, are now prepared simultaneously by cultivating a fungal strain capable of producing PF 1022F substance, PF 1022G substance and PF 1022H substance represented by the known PE 1022 strain (deposited under FERM BP-2671) which is a kind of fungus belonging to asporous imperfect fungi (the order Agonomycetales) and is presumable to belong to the genus Xylaria or the genus Rosellinia in the family Xylariaceae.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: March 28, 2000
    Assignee: Maiji Seika Kaisha Ltd.
    Inventors: Makoto Ohyama, Masaaki Takahashi, Yoshiya Shigematsu, Osamu Sakanaka, Yashushi Murai, Katsuharau Iinuma
  • Phosphorus-containing compounds and process for producing the same
    Patent number: 4466913
    Abstract: 2-Amino-4-(hydroxy)phosphinoylbutyryl-L-alanyl-L-alanine.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: August 21, 1984
    Assignee: Maiji Seika Kaisha Ltd.
    Inventors: Takashi Tsuruoka, Satoshi Imai, Atsuyuki Satoh, Tetsuro Watanabe, Koji Watanabe, Shigeharu Inouye, Taro Niida