Patents by Inventor Kazutake Kado

Kazutake Kado 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).

  • Percutaneously absorbable preparation
    Patent number: 5747069
    Abstract: A percutaneously absorbable preparation containing a drug and a percutaneous absorption accelerator comprising a monoglyceride and a fatty acid.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: May 5, 1998
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sotoo Asakura, Sumihisa Kimura, Kazutake Kado, Yoshiko Ohishi, Takehisa Hata
  • Encapsulated medicine
    Patent number: 5683716
    Abstract: This invention relates to an encapsulated pharmaceutical dosage form comprising a practically insoluble compound or salt and an intracapsular fluid, and/or a surfactant and/or cellulose derivative. It provides for increased oral absorption as compared with the conventional system because, on release of capsule contents from the capsule shell, the practically insoluble compound or salt undergoes diminution in crystal size.
    Type: Grant
    Filed: January 2, 1996
    Date of Patent: November 4, 1997
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Takehisa Hata, Fumio Shimojo, Kazutake Kado, Kyoko Ishii, Seiji Sawai
  • Pharmaceutical composition for percutaneous drug absorption and percutaneous drug absorption promoter
    Patent number: 5045553
    Abstract: The present invention relates to a pharmaceutical composition for percutaneous drug absorption which comprises 5-isopropyl 3-methyl 2-cyano-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, and ethanol and/or an unsaturated higher fatty acid and to a composition of matter which comprises ethanol and/or an unsaturated higher fatty acid and is capable of promoting percutaneous absorption of said dihydropyridine compound.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: September 3, 1991
    Assignee: Fujisawa Pharmaceutical Company, Ltd.
    Inventors: Yoshio Ueda, Takehisa Hata, Rinta Ibuki, Kazutake Kado, Hiroshi Ishikuro
  • Solid dispersion composition of FR-900506 substance
    Patent number: 4916138
    Abstract: This invention relates to a solid dispersion composition comprising FR-900506 substance and water-soluble hydroxypropyl methylcellulose which is capable of dispersing the FR-900506 substance, the FR-900506 substance and hydroxypropyl methylcellulose being in the ratio of 1:0:1 to 1:20 by weight.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: April 10, 1990
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Yoshio Ueda, Fumio Shimojo, Yasuo Shimazaki, Kazutake Kado, Toshiyasu Honbo
  • Sustained-release transdermal delivery preparations
    Patent number: 4749574
    Abstract: The invention relates to a sustained-release transdermal delivery preparation which comprises a slow-release microcapsule containing 2-nitroxymethyl-6-chloropyridine or its occlusion compound with .beta.-cyclodextrin and a skin-compatible base.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: June 7, 1988
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Yoshio Ueda, Sotoo Asakura, Yoshio Murakami, Fumio Shimojo, Kazutake Kado