Patents by Inventor Kaneo Suzuki

Kaneo Suzuki 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).

  • Patent number: 5264359
    Abstract: A method for the large-scale cultivation of animal cells wherein animal cells are embedded in a collagen gel which is covered by a protective coating. The protective coating supports and protects the collagen matrix.
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: November 23, 1993
    Assignee: Nitta Gelatin Inc.
    Inventors: Junpei Enami, Naohito Kondo, Toshikazu Takano, Kaneo Suzuki
  • Patent number: 5223029
    Abstract: This invention relates to a hardening material for medical and dental use, in which at least either one or both of .alpha.-tricalcium phosphate and tetracalcium phosphate as an essential component and, as a hardening adjuster, the following 1 tannin, 2 tannin and collagen, 3 collagen and an organic acid, 4 tannin, collagen, and an organic acid, 5 tannin and an organic acid, or 6 at least two kinds or organic acids.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: June 29, 1993
    Assignee: Nitta Gelatin Inc.
    Inventors: Hironobu Oonishi, Fumihito Sugihara, Takashi Ishii, Kaneo Suzuki, Seiko Hata, Toshikazu Takano
  • Patent number: 4975527
    Abstract: A good tissue-affinity and lack of antigenicity are required for the collagen used as the carrier of BMP. Conventional collagens have these properties only insufficiently. When the tyrosine content is below 2 residues/1000 residues, then the above properties of such collagens are good. Moreover, collagens excelling in the above properties can be readily obtained by using proteolytic enzymes.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: December 4, 1990
    Assignee: Nitta Gelatin, Inc.
    Inventors: Masahiro Koezuka, Kunio Takaoka, Kaneo Suzuki, Shigeo Yasugi