Patents by Inventor Naohisa Ishikawa

Naohisa Ishikawa 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: 7847132
    Abstract: The progression of hepatic fibrosis and hepatic cirrhosis caused by various hepatic disorders and damages such as chronic hepatitis can be restrained by hepatic fibrosis inhibitor containing a compound represented by the following chemical formula: wherein, R1 represents an alkyl group with a carbon number of 4 to 8, and R2 represents a hydrogen atom, alkylcarbonyl group with a carbon number of 2 to 6, or alkoxycarbonyl group with a carbon number of 2 to 6.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: December 7, 2010
    Assignee: Nippon Hypox Laboratories Incorporated
    Inventors: Naohisa Ishikawa, Satoru Sugiyama, Tokutaro Miki, Hiroshi Nishikawa
  • Publication number: 20100184858
    Abstract: The progression of hepatic fibrosis and hepatic cirrhosis caused by various hepatic disorders and damages such as chronic hepatitis can be restrained by hepatic fibrosis inhibitor containing a compound represented by the following chemical formula: wherein, R1 represents an alkyl group with a carbon number of 4 to 8, and R2 represents a hydrogen atom, alkylcarbonyl group with a carbon number of 2 to 6, or alkoxycarbonyl group with a carbon number of 2 to 6.
    Type: Application
    Filed: December 7, 2009
    Publication date: July 22, 2010
    Inventors: Naohisa Ishikawa, Satoru Sugiyama, Tokutaro Miki, Hiroshi Nishikawa
  • Publication number: 20090270654
    Abstract: The progression of hepatic fibrosis and hepatic cirrhosis caused by various hepatic disorders and damages such as chronic hepatitis can be restrained by hepatic fibrosis inhibitor containing a compound represented by the following chemical formula: wherein, R1 represents an alkyl group with a carbon number of 4 to 8, and R2 represents a hydrogen atom, alkylcarbonyl group with a carbon number of 2 to 6, or alkoxycarbonyl group with a carbon number of 2 to 6.
    Type: Application
    Filed: April 14, 2009
    Publication date: October 29, 2009
    Inventors: Naohisa ISHIKAWA, Satoru SUGIYAMA, Tokutaro MIKI, Hiroshi NISHIKAWA