Patents by Inventor Yoshiyuki Aida

Yoshiyuki Aida 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: 9000163
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: April 7, 2015
    Assignee: Zeria Pharmaceutical Co., Ltd.
    Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Patent number: 8841461
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: September 23, 2014
    Assignee: Zeria Pharmaceutical Co., Ltd.
    Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Patent number: 8772528
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: July 8, 2014
    Assignee: Zeria Pharmaceutical Co., Ltd.
    Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Publication number: 20140058104
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Application
    Filed: October 29, 2013
    Publication date: February 27, 2014
    Applicant: ZERIA PHARMACEUTICAL CO., LTD.
    Inventors: Masaaki NAGASAWA, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Publication number: 20140058112
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Application
    Filed: October 29, 2013
    Publication date: February 27, 2014
    Applicant: ZERIA PHARMACEUTICAL CO., LTD.
    Inventors: Masaaki NAGASAWA, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Publication number: 20140046088
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Application
    Filed: October 29, 2013
    Publication date: February 13, 2014
    Applicant: ZERIA PHARMACEUTICAL CO., LTD.
    Inventors: Masaaki NAGASAWA, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Patent number: 8586761
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: November 19, 2013
    Assignee: Zeria Pharmaceutical Co., Ltd.
    Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
  • Publication number: 20080021221
    Abstract: Provided is a method for selectively demethylating a 2-methoxy group.
    Type: Application
    Filed: August 23, 2005
    Publication date: January 24, 2008
    Applicant: ZERIA PHARMACEUTICAL CO., LTD. , a corporation
    Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida