Patents by Inventor Shin-ichiro Otsuka

Shin-ichiro Otsuka 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).

  • Process for producing yeast cells
    Patent number: 3974030
    Abstract: Certain yeasts are capable of growing in a culture medium containing soybean whey as the main carbon source. The yeast cells have a high protein content, and they are suitable for feed food, and so on.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: August 10, 1976
    Assignee: Ajinomoto Co., Inc.
    Inventors: Tadao Kobayashi, Akio Yamanoi, Shin-Ichiro Otsuka
  • Method for producing amino acids by culturing hydrogen-oxidizing bacteria
    Patent number: 3943038
    Abstract: Amino acids are produced by culturing hydrogen-oxidizing bacteria of the genus Arthrobacter, Brevibacterium and Mycobacterium in an aqueous culture medium in the presence of oxygen, hydrogen and carbon dioxide.
    Type: Grant
    Filed: August 13, 1974
    Date of Patent: March 9, 1976
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yasushi Morinaga, Ayaaki Ishizaki, Shin-ichiro Otsuka