Patents by Inventor Ken-ichi Ohsaki

Ken-ichi Ohsaki 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).

  • Cell-penetrable medical material and artificial skin
    Patent number: 5350583
    Abstract: Cell-penetrable medical material made of denatured collagen which is prepared by heating, in the presence of water is disclosed, the collagen having cross-linking structure. Artificial skin prepared by using this medical material as a wound-contacting layer (2) is also disclosed.
    Type: Grant
    Filed: November 3, 1992
    Date of Patent: September 27, 1994
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Katsutoshi Yoshizato, Jun Konishi, Mikio Koide, Kaori Oyamada, Ken-ichi Ohsaki, Takeo Katakura, Yuichi Mori, Ken Tatebe
  • Medical material and prosthetic skin in which cells can invade
    Patent number: 5263983
    Abstract: Disclosed is a cell-penetrable medical material in which cells can invade, comprising denatured collagen with helix content of 0 to 80%, and carrier substance having higher resistance to enzyme decomposition than the denatured collagen. An artificial skin in which this medical material is used as the wound contact layer, and its preferred manufacturing methods are also disclosed.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: November 23, 1993
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Katsutoshi Yoshizato, Jun Konishi, Mikio Koide, Kaori Oyamada, Ken-ichi Ohsaki, Takeo Katakura, Yuichi Mori, Ken Tatebe