Patents by Inventor Iwao Yamanaka

Iwao Yamanaka 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).

  • Injection and injection kit containing omeprazole and its analogs
    Patent number: 5589491
    Abstract: An injection solution comprising a 2-[(2-pyridyl)methylsulfinyl]-benzimidazole compound or a salt thereof having antiulcer activity and an aqueous solvent added with no nonaqueous solvent is disclosed wherein the pH is not less than 9.5 and not more than 11.5.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: December 31, 1996
    Assignee: Astra Aktiebolag
    Inventors: Shigeo Nakanishi, Tetsuo Tominaga, Iwao Yamanaka, Takashi Higo, Toshiyuki Shibata
  • Pharmaceutical solution containing FK-506
    Patent number: 5260301
    Abstract: A pharmaceutical solution which contains the compound of the general formula having the immusuppreseive activity is disclosed.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: November 9, 1993
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Shigeo Nakanishi, Iwao Yamanaka
  • Method for preparing a dried composition of insulin-like growth factor I
    Patent number: 5210074
    Abstract: The present invention relates to a dried composition containing IGF-I which is highly soluble and has a long shelf life stability. The present invention further relates to a method of preparing a dried composition containing IGF-I by drying a solution containing IGF-I together with a strong acid which is hydrochloric acid, hydrobromic acid, nitric acid, methanesulfonic acid, sulfuric acid, phosphoric acid, or oxalic acid.
    Type: Grant
    Filed: December 26, 1990
    Date of Patent: May 11, 1993
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Shigeo Nakanishi, Iwao Yamanaka