Patents Assigned to Yohei Hashimoto
  • Periandrins extracted from plants of the genus Periandra
    Patent number: 4320225
    Abstract: The sweet-tasting substances contained in the roots of plants of the genus Periandra were isolated and found to consist essentially of four species of novel glycosides, which were respectively named Periandrins I, II, III and IV. The Periandrins are defined by chemical formulas as well as their physical and chemical properties and are useful, for example, as natural sweetening agents.
    Type: Grant
    Filed: December 23, 1980
    Date of Patent: March 16, 1982
    Assignees: Yamasu Shoyu Kabushiki Kaisha, Yohei Hashimoto
    Inventors: Yohei Hashimoto, Masaru Ogura, Hiroyuki Ishizone