Patents by Inventor Sotoo Asakura

Sotoo Asakura 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).

  • Pharmaceutical composition
    Patent number: 5955469
    Abstract: A pharmaceutical emulsion composition or solution composition in an organic solvent containing a compound represented by the following chemical formula and having immunosuppressive activity is disclosed: ##STR1##
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: September 21, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sotoo Asakura, Michiyo Fukae, Shigeo Nakanishi, Yasuto Koyama, Youhei Kiyota
  • Aqueous liquid composition for external use
    Patent number: 5770607
    Abstract: This invention relates to an aqueous liquid composition for external use which contains a tricyclo compound of the chemical formula (I) presented here-under or a pharmaceutically acceptable salt thereof. More particularly, the invention relates to an aqueous liquid composition for external use characterized in that it contains said tricyclo compound and a water-soluble solubilizer. The composition of the invention is used in medical treatment.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: June 23, 1998
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Toshiyasu Honbo, Sachiyo Tanimoto, Hiromitsu Yoshida, Takehisa Hata, Sotoo Asakura, Yasuto Koyama, Youhei Kiyota
  • 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
  • Suspendible composition and process for preparing the same
    Patent number: 5496564
    Abstract: A suspendible composition comprising a tricyclic compound such as FK 506 substance which is 17-allyl-1,14-dihydroxy-12-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylviny l]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo-[22.3. 1.0.sup.4,9 ]octacos-18-ene-2,3,10,16-tetraone, or the like, and a pharmaceutically acceptable surfactant, which can be used as an orally administrable agent or eye drops and is useful for treating various diseases.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: March 5, 1996
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sotoo Asakura, Yasuto Koyama, Youhei Kiyota, Kiyoko Akashi, Akira Kagayama, Yoshio Murakami, Toshiomi Nakate
  • Ointments containing FK-506 or derivatives thereof
    Patent number: 5385907
    Abstract: An ointment comprising a tricyclic compound such as FK 506 substance which is 17-allyl-1,14-dihydroxy-12-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylviny l]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1 .0.sup.4,9 ]octacos-18-ene-2,3,10,16-tetraone, or the like, a solubilizing and/or absorption-promoting agent and an ointment base, which is useful for treating various skin diseases.
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: January 31, 1995
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sotoo Asakura, Yoshio Murakami, Nobuto Kanagawa, Toshiomi Nakate
  • Suspendible composition and process for preparing the same
    Patent number: 5368865
    Abstract: A suspendible composition comprising a tricyclic compound such as FK 506 substance which is 17-allyl-1,14-dihydroxy-12-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylviny 1]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1 .0.sup.4,9 ]octacos-18-ene-2,3,10,16-tetraone, or the like, and a pharmaceutically acceptable surfactant, which can be used as an orally administrable agent or eye drops and is useful for treating various diseases.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: November 29, 1994
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sotoo Asakura, Yasuto Koyama, Youhei Kiyota, Kiyoko Akashi, Akira Kagayama, Yoshio Murakami, Toshiomi Nakate
  • Preparation of FR115224 substrate for parenteral administration
    Patent number: 5093127
    Abstract: A cyclic peptide designated FR115224, administered parenterally in a cyclodextrin carrier, which exhibits antiallergic activity.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: March 3, 1992
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sotoo Asakura, Nobuto Kanagawa, Kiyota Youhei
  • Sustained-release percutaneous preparations
    Patent number: 4889721
    Abstract: Sustained-release percutaneous preparations which have at least two adhesive layers and in which a drug is contained in the layer farthest from the skin and a solid powder is dispersed in an adhesive layer other than the layer farthest from the skin provide slow release of the drug. By varying the kind and concentration of the solid powder, the rate of release of the drug from the preparations can be controlled.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: December 26, 1989
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Yoshio Ueda, Sotoo Asakura, Yoshio Murakami, Toshiomi Nakate
  • 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