Patents by Inventor Kenzo Toyoshima

Kenzo Toyoshima 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).

  • Solid telmisartan pharmaceutical formulations
    Patent number: 8980870
    Abstract: A pharmaceutical composition comprising 3 wt. % to 50 wt. % telmisartan dispersed in a dissolving matrix comprising: (a) a basic agent in a molar ratio of basic agent:telmisartan of 1:1 to 10:|1|; (b) about 1 wt. % to about 20 wt. % of a surfactant or emulsifier; (c) 25 wt. % to 70 wt. % of a water-soluble |diluent|; and (d) 0 wt. % to 20 wt. % of one or more additional excipients and/or |adjuvants|; wherein the sum of all components is 100%, methods of making such pharmaceutical compositions, and their use.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: March 17, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Manabu Nakatani, Sawada Takeshi, Toshimitsu Ohki, Kenzo Toyoshima
  • Controlled release granules comprising porous silica core
    Publication number: 20060073205
    Abstract: The present invention relates to controlled release granules for medical use comprising a drug loaded porous silica particle, and at least one layer of a controlled release coating material, characterized in that the drug loaded porous silica core is prepared by immersing dry porous silica particles with a solution, suspension or emulsion comprising at least one pharmacologically active drug and the resulting wet drug loaded porous silica core is subsequently dried again. Furthermore, the invention concerns a method for preparing the controlled release composition.
    Type: Application
    Filed: October 4, 2004
    Publication date: April 6, 2006
    Inventors: Kotoe Ohta, Masayoshi Fuji, Takashi Takei, Masatoshi Chikazawa, Kenzo Toyoshima
  • Solid telmisartan pharmaceutical formulations
    Publication number: 20040110813
    Abstract: A pharmaceutical composition comprising 3 wt. % to 50 wt.
    Type: Application
    Filed: September 18, 2003
    Publication date: June 10, 2004
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Manabu Nakatani, Sawada Takeshi, Toshimitsu Ohki, Kenzo Toyoshima
  • Epinastine formulation for oral administration
    Publication number: 20030104017
    Abstract: A new formulation of epinastine in form of a powder (dry syrup) to be mixed with water prior to use is disclosed. The epinastine used can be either the free base or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: October 11, 2002
    Publication date: June 5, 2003
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Koichi Wada, Manabu Nakatani, Toshimitsu Ohki, Kenzo Toyoshima
  • Novel pharmaceutical composition comprising exifone and water-soluble polymer
    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