Patents by Inventor Yoshiko Masujima

Yoshiko Masujima 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).

  • Fermented milk product
    Patent number: 5695796
    Abstract: Lactic acid bacteria of the genus Lactobacillus having the following specific properties: (1) an increased amount of acidity of lactic acid when storing a product cultured by the bacteria at 10.degree. C. for two weeks being 0.5% or less; (2) an activity of cell membrane bound adenosine triphosphatase-being 5 .mu.mol.Pi/min/mg protein or less; and (3) the bacteria having neomycin resistance. Furthermore, a fermented milk product containing the lactic acid bacteria is disclosed.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: December 9, 1997
    Assignee: The Calpis Food Industry Co., Ltd.
    Inventors: Naoyuki Yamamoto, Yoshiko Masujima, Toshiaki Takano
  • Lactobacillus helveticus mutants having low increase in acidity of lactic acid during storage
    Patent number: 5541111
    Abstract: Lactic acid bacteria of the genus Lactobacillus having the following specific properties: (1) an increased amount of acidity of lactic acid when storing a product cultured by the bacteria at 10.degree. C. for two weeks being 0.5% or less; (2) an activity of cell membrane bound adenosine triphosphatase being 5 .mu.mol.multidot.Pi/min/mg protein or less; and (3) the bacteria having neomycin resistance.
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: July 30, 1996
    Assignee: The Calpis Food Industry Co., Ltd.
    Inventors: Naoyuki Yamamoto, Yoshiko Masujima, Toshiaki Takano