Patents by Inventor Yoshinobu Nakai

Yoshinobu Nakai 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).

  • Medicinal compositions of peptides with EACA or tranexamic acid for enhanced mucosal absorption
    Patent number: 5968899
    Abstract: Disclosed is a medicinal composition, which comprises a peptide as an effective ingredient and as bases, epsilon aminocaproic acid or tranexamic acid and an ethylene oxide-propylene oxide block copolymer represented by the following formula (I):HO(C.sub.2 H.sub.4 O).sub.a --(C.sub.3 H.sub.6 O).sub.b --(C.sub.2 H.sub.4 O).sub.c H (I)wherein a, b and c stand for integers of 1 or greater, respectively. According to this medicinal composition, the peptide can be absorbed at a high rate through the mucosa and further, its pharmacological effects are prolonged over for a long time.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: October 19, 1999
    Assignee: Tsumura & Co.
    Inventors: Takashi Sekine, Kazuyuki Ishikawa, Takayoshi Kimura, Yoshinobu Nakai
  • Method of increasing the rate of solubility of materials of low solubility
    Patent number: 4036990
    Abstract: The rate of solubility of a material of low solubility is increased by mixing the material with beta-1, 4-glucan and pulverizing the mixture. This simultaneously pulverizing both ingredients is found to produce a substantially different effect than when the ingredients are separately pulverized and then mixed together.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: July 19, 1977
    Assignee: FMC Corporation
    Inventors: Yoshinobu Nakai, Shin'Ichiro Nakajima, Kiyoshi Sugiyama
  • Method of slowing sublimation of sublimable material
    Patent number: 4001434
    Abstract: A method of slowing sublimation of sublimable material comprises mixing the sublimable material with beta-1, 4-glucan and then pulverizing the mixture.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: January 4, 1977
    Inventors: Yoshinobu Nakai, Shin'Ichiro Nakajima, Yoshimitsu Iida
  • Method of treatment of medicines
    Patent number: 3966899
    Abstract: A method of manufacturing a pharmaceutical having a plurality of active ingredients so that each active ingredient will be released at substantially the same uniform rate involves mixing the active ingredients with beta-1, 4-glucan and pulverizing the mixture.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: June 29, 1976
    Inventors: Yoshinobu Nakai, Keiji Yamamoto, Masahiro Nakano
  • Tool for picking up animal waste
    Patent number: D722408
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: February 10, 2015
    Inventor: Yoshinobu Nakai