Patents by Inventor Motoki Ikeuchi

Motoki Ikeuchi 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: 20210347769
    Abstract: The aim of the present invention is to provide a method capable of producing an optically active pyrimidinamide derivative on an industrial scale. Compound (I) or a salt thereof is subjected to an asymmetric reduction reaction, the obtained compound (II) or a salt thereof is subjected to a deprotection reaction, and the obtained compound (III) or a salt thereof is reacted with compound (VI) or a salt thereof to obtain compound (V) or a salt thereof. wherein each symbol is as defined in the specification.
    Type: Application
    Filed: February 19, 2021
    Publication date: November 11, 2021
    Inventors: Sayuri Hirano, Yoshiyuki Takeda, Koji Nakamoto, Motoki Ikeuchi, Masato Kitayama, Masatoshi Yamada, Jun-ichi Kawakami
  • Patent number: 10988469
    Abstract: The aim of the present invention is to provide a method capable of producing an optically active pyrimidinamide derivative on an industrial scale. Compound (I) or a salt thereof is subjected to an asymmetric reduction reaction, the obtained compound (II) or a salt thereof is subjected to a deprotection reaction, and the obtained compound (III) or a salt thereof is reacted with compound (VI) or a salt thereof to obtain compound (V) or a salt thereof. wherein each symbol is as defined in the specification.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: April 27, 2021
    Assignee: DOT THERAPEUTICS-1, INC.
    Inventors: Sayuri Hirano, Yoshiyuki Takeda, Koji Nakamoto, Motoki Ikeuchi, Masato Kitayama, Masatoshi Yamada, Jun-ichi Kawakami
  • Publication number: 20200317659
    Abstract: The aim of the present invention is to provide a method capable of producing an optically active pyrimidinamide derivative on an industrial scale. Compound (I) or a salt thereof is subjected to an asymmetric reduction reaction, the obtained compound (II) or a salt thereof is subjected to a deprotection reaction, and the obtained compound (III) or a salt thereof is reacted with compound (VI) or a salt thereof to obtain compound (V) or a salt thereof. wherein each symbol is as defined in the specification.
    Type: Application
    Filed: May 29, 2018
    Publication date: October 8, 2020
    Inventors: Sayuri HIRANO, Yoshiyuki TAKEDA, Koji NAKAMOTO, Motoki IKEUCHI, Masato KITAYAMA, Masatoshi YAMADA, Jun-ichi KAWAKAMI
  • Patent number: 7462628
    Abstract: Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an ?1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: December 9, 2008
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuji Ishihara, Yuji Ishichi, Takayuki Doi, Hiroshi Nagabukuro, Naoyuki Kanzaki, Motoki Ikeuchi
  • Patent number: 7138533
    Abstract: Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an ?1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: November 21, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuji Ishihara, Yuji Ishichi, Takayuki Doi, Hiroshi Nagabukuro, Naoyuki Kanzaki, Motoki Ikeuchi
  • Patent number: 7132547
    Abstract: Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an ?1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: November 7, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuji Ishihara, Yuji Ishichi, Takayuki Doi, Hiroshi Nagabukuro, Naoyuki Kanzaki, Motoki Ikeuchi
  • Publication number: 20060211675
    Abstract: Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an al antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
    Type: Application
    Filed: January 18, 2006
    Publication date: September 21, 2006
    Inventors: Yuji Ishihara, Yuji Ishichi, Takayuki Doi, Hiroshi Nagabukuro, Naoyuki Kanzaki, Motoki Ikeuchi
  • Publication number: 20060063769
    Abstract: Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an ?1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
    Type: Application
    Filed: December 26, 2002
    Publication date: March 23, 2006
    Inventors: Yuji Ishihara, Yuji Ishichi, Takayuki Doi, Hiroshi Nagabukuro, Naoyuki Kanzaki, Motoki Ikeuchi
  • Publication number: 20050197362
    Abstract: Preventives/remedies for voiding disturbance containing a compound having both of an acetylcholinesterase inhibitory action and an ?1 antagonistic action which exhibits an excellent effect of improving the urinary function of the bladder (i.e., effects of improving urine flow rate and voiding efficiency) without affecting the urinary pressure or the blood pressure.
    Type: Application
    Filed: September 8, 2004
    Publication date: September 8, 2005
    Inventors: Yuji Ishihara, Yuji Ishichi, Takayuki Doi, Hiroshi Nagabukuro, Naoyuki Kanzaki, Motoki Ikeuchi
  • Patent number: 6699995
    Abstract: A production method of a compound represented by the formula wherein R1 and R2 are each a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, R3 is an electron-withdrawing group, and R4, R5 and R6 are each a hydrogen atom or an optionally substituted hydrocarbon group, or a salt thereof, is provided as an industrially advantageous production. method for forming a carbon-carbon bond at the 5-position of oxazole, which method includes reacting a compound represented by the formula wherein the symbols in the formula are as defined above, or a salt thereof, with a compound represented by the formula wherein the symbols in the formula are as defined above, or a salt thereof, in the presence of an acid or a base.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: March 2, 2004
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroyuki Tawada, Norihiko Ohashi, Motoki Ikeuchi
  • Patent number: 6627630
    Abstract: A condensed pyridazine derivative which is useful as a pharmaceutical composition for preventing or treating allergic skin diseases such as contact dermatitis, pruritus, dried dermatitis, acute urticaria and prurigo.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: September 30, 2003
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yasuhiko Kawano, Hideaki Nagaya, Michiyo Gyoten, Yukio Hara, Motoki Ikeuchi
  • Patent number: 5952512
    Abstract: A method of producing an amine salt of an optically active benzothiepin derivative, which is characterized by allowing a benzothiepin derivative represented by the formula (I) ##STR1## wherein R stands for a lower alkyl group, to react with an optically active amine.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: September 14, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshiharu Maeda, Motoki Ikeuchi, Shigeo Yabuno