Patents by Inventor Tatsuo Kiyoshige

Tatsuo Kiyoshige 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).

  • Oral composition containing stabilized antibody
    Patent number: 4911918
    Abstract: An oral composition for preventing periodontal diseases through suppression of the colonization of causative bacteria of periodontal diseases comprises an antibody obtained by immunizing a mammal with at least one antigen selected from the group consisting of periodontal causative bacteria, their pilus and capsule fractions, and aluminum hydroxide for stabilizing said antibody.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: March 27, 1990
    Assignee: Lion Corporation
    Inventors: Tatsuo Kiyoshige, Yasuo Kikuchi
  • Composition for oral application
    Patent number: 4714612
    Abstract: A composition for oral application comprises a nonspecific .gamma.-globulin as an effective ingredient for preventing Bacteroides gingivalis from colonizing in the mouth.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: December 22, 1987
    Assignee: Lion Corporation
    Inventors: Tsuneaki Nakamura, Tatsuo Kiyoshige, Shuji Sasaki
  • Oral composition containing antibodies to Bacteroides gingivalis
    Patent number: 4689221
    Abstract: An oral composition which prevents periodontal disease such as gingivitis, periodontitis and alveolar pyorrhoea through the prevention of the colonization of Bacteroides gingivalis comprises an antibody obtained by immunizing a mammal with an antigen selected from Bacteroides gingivalis, its pilus and capsule fractions.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: August 25, 1987
    Assignee: Lion Corporation
    Inventors: Tatsuo Kiyoshige, Yasuo Kikuchi, Ichiro Takazoe, Katsuji Okuda