Patents by Inventor Hachiro Seno

Hachiro Seno 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).

  • Catheter
    Patent number: 7223263
    Abstract: A catheter constituted of a single-pipe tube, and provided with a tip end portion (10) implanted in an abdominal cavity and a projection portion (12) projecting outward from the outer wall of the abdomen. A pair of cuffs (16, 18) are attached to the projection portion (12) and a reinforcing tube (14). Side holes (20) are drilled in the tip end portion (10), and each side hole is allowed to communicate with each other along the axial direction of the single-pipe tube by means of a groove (22) formed on the outer peripheral surface of the single-pipe tube.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: May 29, 2007
    Assignee: Medi-Tech Co., Ltd.
    Inventor: Hachiro Seno
  • Medicament for treating idiopathic thrombocytopenic purpura
    Patent number: 5643901
    Abstract: Macrolide compounds such as the FR-900506 and its related compounds are provided for the prevention or treatment of idiopathic thrombocytopenic purpura and Basedow's disease. Composition containing such compounds is also disclosed.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: July 1, 1997
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Toshiyasu Honbo, Hachiro Seno, Michihisa Nishiyama
  • Thiazole derivatives, processes for production thereof and pharmaceutical compositions comprising the same
    Patent number: 5369107
    Abstract: Compounds of the formula: ##STR1## wherein A is S, SO, or SO.sub.2, R.sup.1 is H or acyl, R.sup.2 is H, alkyl, hydroxyalkyl, halogen or carboxy, and R.sup.3 is pyridyl are claimed. The compounds are useful as therapeutic agents for the treatment of e.g. rheumatism, nephritis and thrombocytopenia.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: November 29, 1994
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masaaki Matsuo, Takashi Ogino, Norihiro Igari, Hachiro Seno, Kyoichi Shimomura
  • Thiazole derivatives, processes for production thereof and pharmaceutical compositions comprising the same
    Patent number: 5256675
    Abstract: Compounds of the formula: ##STR1## wherein A is S, SO, or SO2, R1 is H or acyl, R2 is H, alkyl, hydroxyalkyl, halogen or carboxy, and R3 is pyridyl are claimed. The compounds are useful as therapeutic agents for the treatment of e.g. rheumatism, nephritis and thrombocytopenia.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: October 26, 1993
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masaaki Matsuo, Takashi Ogino, Norihiro Igari, Hachiro Seno, Kyoichi Shimomura