Patents by Inventor Yoichi Kagawa

Yoichi Kagawa 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).

  • Switch bag type blood gathering set
    Patent number: 5098371
    Abstract: This invention is a switch bag type blood-gathering set used for transfusing blood gathered from a blood donor to the same blood donor again, and for newly gathering predetermined amount of blood from the blood donor. This switch bag type blood-gathering set comprises a liquid transferring member for introducing a physiological saline solution into the blood-gathering set, a blood transfusing member for introducing blood from a blood bag into the blood-gathering set, a blood-transfusing and gathering member for supplying blood to or gathering blood from the donor, a washing solution storing member for containing a waste liquor after priming in the blood-gathering set, and a blood storing member for storing blood gathered from the donor, and these constituents are connected by connecting tubes so as to not contact with the air outside.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: March 24, 1992
    Assignee: Kawasumi Laboratories, Inc.
    Inventors: Takeo Juji, Nobuhiro Wakimoto, Yoichi Kagawa, Seiichi Ono
  • Switch bag type blood-gathering set, operating panel apparatus of said blood-gathering set and blood-gathering method by using said blood-gathering set
    Patent number: 5000407
    Abstract: This invention is a switch bag type blood-gathering set used for transfusing blood gathered from a blood donor to the same blood donor again, and for newly gathering predetermined amount of blood from the blood donor. This switch bag type blood-gathering set comprises a liquid transferring member for introducing a physiological saline solution into the blood-gathering set, a blood transfusing member for introducing blood from a blood bag into the blood-gathering set, a blood-transfusing and gathering member for supplying blood to or gathering blood from the donor, a washing solution storing member for containing a waste liquor after priming in the blood-gathering set, and a blood storing member for storing blood gathered from the donor, and these constituents are connected by connecting tubes so as to not contact with the air outside.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: March 19, 1991
    Assignee: Kawasumi Laboratories, Inc.
    Inventors: Takeo Juji, Nobuhiro Wakimoto, Yoichi Kagawa, Seiichi Ono