Patents by Inventor Hiroshi Kadokawa

Hiroshi Kadokawa 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).

  • Octahydronaphthalene oxime compounds for cholesterol synthesis inhibition
    Patent number: 5658942
    Abstract: Compounds of formula (I): ##STR1## in which: R represents hydrogen, methyl or hydroxy; X represents an alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or heterocyclic group; A represents a single bond, or an alkylene, alkenylene, alkynylene or alkadienylene group; Y represents hydrogen, or an aryl, cycloalkyl or heterocyclic group; have valuable antihypercholesteremic activities and may be used in the treatment of disorders arising from a blood cholesterol imbalance in humans and other animals.
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: August 19, 1997
    Assignee: Sankyo Company, Limited
    Inventors: Masaaki Kurabayashi, Hiroshi Kogen, Hiroshi Kadokawa, Hideshi Kurihara, Kazuo Hasegawa, Masao Kuroda
  • Octahydronaphthalene oxime compounds for cholesterol synthesis inhibition
    Patent number: 5403860
    Abstract: Compounds of formula (I): ##STR1## in which R is hydrogen, methyl or hydroxy; X is alkyl, alkenyl, cycloalkyl, aryl or aralkyl; A is a single bond or alkylene, alkenylene, alkynylene or alkadienylene and Y is aryl. The compounds have valuable antihypercholesteremic activities and can be used in the treatment of disorders arising from a blood cholesterol imbalance in humans and animals.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: April 4, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Masaaki Kurabayashi, Hiroshi Kogen, Hiroshi Kadokawa, Hideshi Kurihara, Kazuo Hasegawa, Masao Kuroda
  • Octahydronaphthalene oxime derivatives for cholesterol synthesis inhibition
    Patent number: 4997848
    Abstract: Compounds of formula (I): ##STR1## in which: R represents hydrogen, methyl of hydroxy; X represents an alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or heterocyclic group; A represents a single bond, or an alkylene, alkenylene, alkynylene or alkadienylene group; Y represents hydrogen, or an aryl, cycloalkyl or heterocyclic group] have valuable antihypercholesteremic activities and may be used in the treatment of disorders arising from a blood cholesterol imbalance in humans and other animals.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: March 5, 1991
    Assignee: Sankyo Company, Limited
    Inventors: Masaaki Kurabayashi, Hiroshi Kogen, Hiroshi Kadokawa, Hideshi Kurihara, Kazuo Hasegawa, Masao Kuroda