Patents by Inventor Fumio Shimojo

Fumio Shimojo 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: 8551522
    Abstract: A sustained-release formulation is provided comprising a solid dispersion composition comprising a tricyclic compound or a pharmaceutically acceptable salt thereof in a mixture comprising a water-soluble polymer and a water-insoluble polymer, and an excipient.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: October 8, 2013
    Assignee: Astellas Pharma Inc.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Publication number: 20090074858
    Abstract: A sustained-release formulation is provided comprising a solid dispersion composition comprising a tricyclic compound or a pharmaceutically acceptable salt thereof in a mixture comprising a water-soluble polymer and a water-insoluble polymer and an excipient.
    Type: Application
    Filed: November 5, 2008
    Publication date: March 19, 2009
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Kazunari YAMASHITA, Eiji HASHIMOTO, Yukihiro NOMURA, Fumio SHIMOJO, Shigeki TAMURA, Takeo HIROSE, Satoshi UEDA, Takashi SAITOH, Rinta IBUKI, Toshio IDENO
  • Publication number: 20050169993
    Abstract: A sustained-release formulation is provided comprising a solid dispersion composition comprising a tricyclic compound or a pharmaceutically acceptable salt thereof in a mixture comprising a water-soluble polymer and a water-insoluble polymer, and an excipient.
    Type: Application
    Filed: February 17, 2005
    Publication date: August 4, 2005
    Applicant: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Patent number: 6884433
    Abstract: Sustained release formulation containing tacrolimus or its hydrate is provided. The time (T63.2%) required for 63.2% of the maximum amount of tacrolimus or its hydrate to be dissolved is 0.7 to 15 hours. The time is measured in accordance to the Japanes Pharmacopocia, the 13-th edition, Dissolution Test, No. 2 (Puddles method, 50 rpm) using an aqueous 0.005% hydroxypropyl cellulose solution. This aqueous test solution is adjusted to pH 4.5, accordingly. The formulation further comprises a solid base which is a water-soluble or water-insoluble polymer. The formulation is in the form of a powder, fine powder, granule, tablet or capsule. The formulation is administered to a patient once a day for preventing organ or tissue rejection by transplantation or autoimmune disease. In addition, a solid dispersion composition is provided. The solid dispersion comprises tacrolimus or its hydrate in a mixture containing water-soluble or water-insoluble polymer and an excipient.
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: April 26, 2005
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Patent number: 6673808
    Abstract: To provide a pharmaceutical composition comprising a macrolide compound, such as tricyclic compound (I) or its pharmaceutically acceptable salt, a dissolution/absorption promoter, a pharmaceutical base, and optionally a compatibilizing agent and/or a thickener. It is satisfactory in stability and absorption kinetics and/or a low irritation potential.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: January 6, 2004
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Rinta Ibuki, Fumio Shimojo, Satoshi Ueda, Toshihiko Toyoda, Masayuki Yamanaka, Erika Yoshida
  • Publication number: 20030235614
    Abstract: Providing an oral formulation of a macrolide compound where the dissolution of the macrolide compound is under sustained release; and a sustained-release formulation containing a composition in solid solution, where the macrolide compound is present at an amorphous state in a solid base.
    Type: Application
    Filed: April 14, 2003
    Publication date: December 25, 2003
    Applicant: Fujisawa Pharmaceutical Co. Ltd.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Patent number: 6586444
    Abstract: To provide a pharmaceutical composition comprising a macrolide compound, such as tricyclic compound (I) or its pharmaceutically acceptable salt, a dissolution/absorption promoter, a pharmaceutical base, and optionally a compatibilizing agent and/or a thickener. It is satisfactory in stability and absorption kinetics and/or a low irritation potential.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: July 1, 2003
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Rinta Ibuki, Fumio Shimojo, Satoshi Ueda, Toshihiko Toyoda, Masayuki Yamanaka, Erika Yoshida
  • Patent number: 6576259
    Abstract: Sustained release formulation containing tacrolimus or its hydrate is provided. The time (T63.2%) required for 63.2% of the maximum amount of tacrolimus or its hydrate to be dissolved is 0.7 to 15 hours. The time is measured in accordance to the Japanese Pharmacopoeia, the 13-th edition, Dissolution Test, No. 2 (Puddle method, 50 rpm) using an aqueous 0.005% hydroxypropyl cellulose solution. This aqueous test solution is adjusted to pH 4.5, accordingly. The formulation further comprise a solid base which is a water-soluble polymer and/or wax. The formulation is in the form of a powder, fine powder, granule, tablet or capsule. Furthermore, the formulation is administered to a patient once a day for preventing organ or tissue rejection by transplantation or autoimmune diseases.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: June 10, 2003
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Patent number: 6440458
    Abstract: Providing an oral formulation of a macrolide compound where the dissolution of the macrolide compound is under sustained release; and a sustained-release formulation containing a composition in solid solution, where the macrolide compound is present at an amorphous state in a solid base.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: August 27, 2002
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Publication number: 20020061907
    Abstract: To provide a pharmaceutical composition comprising a macrolide compound, such as tricyclic compound (I) or its pharmaceutically acceptable salt, a dissolution/absorption promoter, a pharmaceutical base, and optionally a compatibilizing agent and/or a thickener. It is satisfactory in stability and absorption kinetics and/or a low irritation potential.
    Type: Application
    Filed: December 7, 2001
    Publication date: May 23, 2002
    Applicant: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Rinta Ibuki, Fumio Shimojo, Satoshi Ueda, Toshihiko Toyoda, Masayuki Yamanaka, Erika Yoshida
  • Patent number: 6387918
    Abstract: A pharmaceutical composition comprising a tricyclic compound (I) or its pharmaceutically acceptable salt, an oil substance, a surfactant, a hydrophilic substance, water, and optionally a pH control agent, with enhanced stability, absorbability and/or a low irritation potential, is provided.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: May 14, 2002
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masayuki Yamanaka, Fumio Shimojo, Satoshi Ueda, Toshihiko Toyoda, Rinta Ibuki, Norio Ohnishi
  • Publication number: 20020044967
    Abstract: Providing an oral formulation of a macrolide compound where the dissolution of the macrolide compound is under sustained release; and a sustained-release formulation containing a composition in solid solution, where the macrolide compound is present at an amorphous state in a solid base.
    Type: Application
    Filed: October 17, 2001
    Publication date: April 18, 2002
    Applicant: FUJISAWA PHARMACEUTICAL CO., LTD.
    Inventors: Kazunari Yamashita, Eiji Hashimoto, Yukihiro Nomura, Fumio Shimojo, Shigeki Tamura, Takeo Hirose, Satoshi Ueda, Takashi Saitoh, Rinta Ibuki, Toshio Ideno
  • Publication number: 20020032212
    Abstract: A pharmaceutical composition comprising a tricyclic compound (I) or its pharmaceutically acceptable salt, an oil substance, a surfactant, a hydrophilic substance, water, and optionally a pH control agent, with enhanced stability, absorbability and/or a low irritation potential, is provided.
    Type: Application
    Filed: August 20, 1999
    Publication date: March 14, 2002
    Inventors: MASAYUKI YAMANAKA, FUMIO SHIMOJO, SATOSHI UEDA, TOSHIHIKO TOYODA, RINTA IBUKI, NORIO OHNISHI
  • Patent number: 6346537
    Abstract: To provide a pharmaceutical composition comprising a water-insoluble active substance, surfactant(s) and solid carrier(s), which is improved in dissolution and oral absorption characteristics.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: February 12, 2002
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Takehisa Hata, Yuji Tokunaga, Fumio Shimojo, Sumihisa Kimura, Takeo Hirose, Satoshi Ueda
  • Patent number: 6316473
    Abstract: Provided is a medicinal composition having a very satisfactory drug release profile and a very satisfactory drug absorption profile after oral administration characterized by its comprising an insoluble drug and two or more surfactants, at least one of the surfactants having as dissolved therein the insoluble drug and the other surfactant or surfactants.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: November 13, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Fumio Shimojo, Sumihisa Kimura, Takeo Hirose, Satoshi Ueda, Rinta Ibuki, Norio Ohnishi
  • Patent number: 6284226
    Abstract: An aerosol product comprising the following compound (A), a middle-chain fatty acid triglyceride and a liquefied hydrofluoroalkane is provided. In the production of an aerosol product using a liquefied hydrofluoroalkane as propellant, the use of a middle-chain fatty acid triglyceride as dispersant insures good dispersion of compound (A) in the propellant. The result is an aerosol product free from variation in the dispensed dose of compound (A).
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: September 4, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Hideki Ito, Masahiro Tsuji, Hiromitu Yoshida, Fumio Shimojo
  • 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
  • Patent number: 5093372
    Abstract: A pharmaceutical composition which is a physical mixture of exifone and certain water soluble cellulose derivatives. The mixture exhibits surprisingly improved solubility and bio availability.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: March 3, 1992
    Assignee: Fujisawa Pharmaceutical Co. Inc.
    Inventors: Yoshio Uedo, Fumio Shimojo, Mitsuru Yasumara, Kenzo Toyoshima, Nobumitsu Nakahasi
  • 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
  • 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