Patents by Inventor Kaoru Marukawa

Kaoru Marukawa 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).

  • Publication number: 20140296183
    Abstract: A novel amine compound represented by the following formula (I), which is superior in immunosuppressive action, rejection suppressive action and the like, and shows reduced side effects such as bradycardia and the like, or a pharmaceutically acceptable acid addition salt thereof, or hydrates thereof, or solvate, as well as a pharmaceutical composition containing this compound and a pharmaceutically acceptable carrier. wherein R is a hydrogen atom or P(?O)(OH)2, X is an oxygen atom or a sulfur atom, Y is CH2CH2 or CH?CH, R1 is cyano or alkyl having a carbon number of 1 to 4 and substituted by a halogen atom(s), R2 is alkyl having a carbon number of 1 to 4 and optionally substituted by a hydroxyl group(s) or a halogen atom(s), R3 and R4 may be the same or different and each is a hydrogen atom or alkyl having a carbon number of 1 to 4, and n is 5-8.
    Type: Application
    Filed: June 17, 2014
    Publication date: October 2, 2014
    Inventors: Masatoshi KIUCHI, Kaoru MARUKAWA, Nobutaka KOBAYASHI
  • Patent number: 8809304
    Abstract: A novel amine compound represented by the following formula (I), which is superior in immunosuppressive action, rejection suppressive action and the like, and shows reduced side effects such as bradycardia and the like, or a pharmaceutically acceptable acid addition salt thereof, or hydrates thereof, or solvate, as well as a pharmaceutical composition containing this compound and a pharmaceutically acceptable carrier. wherein R is a hydrogen atom or P(?O)(OH)2, X is an oxygen atom or a sulfur atom, Y is CH2CH2 or CH?CH, R1 is cyano or alkyl having a carbon number of 1 to 4 and substituted by a halogen atom(s), R2 is alkyl having a carbon number of 1 to 4 and optionally substituted by a hydroxyl group(s) or a halogen atom(s), R3 and R4 may be the same or different and each is a hydrogen atom or alkyl having a carbon number of 1 to 4, and n is 5-8.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: August 19, 2014
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Masatoshi Kiuchi, Kaoru Marukawa, Nobutaka Kobayashi, Kunio Sugahara
  • Publication number: 20090137530
    Abstract: A novel amine compound represented by the following formula (I), which is superior in immunosuppressive action, rejection suppressive action and the like, and shows reduced side effects such as bradycardia and the like, or a pharmaceutically acceptable acid addition salt thereof, or hydrates thereof, or solvate, as well as a pharmaceutical composition containing this compound and a pharmaceutically acceptable carrier. wherein R is a hydrogen atom or P(?O)(OH)2, X is an oxygen atom or a sulfur atom, Y is CH2CH2 or CH?CH, R1 is cyano or alkyl having a carbon number of 1 to 4 and substituted by a halogen atom(s), R2 is alkyl having a carbon number of 1 to 4 and optionally substituted by a hydroxyl group(s) or a halogen atom(s), R3 and R4 may be the same or different and each is a hydrogen atom or alkyl having a carbon number of 1 to 4, and n is 5-8.
    Type: Application
    Filed: December 15, 2006
    Publication date: May 28, 2009
    Applicant: Mitsubishi Tanabe Pharma Corporation
    Inventors: Masatoshi Kiuchi, Kaoru Marukawa, Nobutaka Kobayashi, Kunio Sugahara