Patents by Inventor Yuji Ishichi

Yuji Ishichi 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: 20210269420
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: June 27, 2019
    Publication date: September 2, 2021
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Tatsuhiko FUJIMOTO, Koichiro FUKUDA, Hiromichi SUGIMOTO, Kentaro RIKIMARU, Yoshihiro BANNO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Yoshihide TOMATA, Yuji ISHICHI, Shogo MARUI, Tsuneo ODA, Tohru MIYAZAKI, Yasutaka HOASHI, Yasushi HATTORI, Yuichi KAJITA, Yuhei MIYANOHANA, Tatsuki KOIKE
  • Patent number: 9085578
    Abstract: The present invention provides an agent for the prophylaxis or treatment of autoimmune diseases (e.g., psoriasis, rheumatoid arthritis, inflammatory bowel disease, Sjogren's syndrome, Behcet's disease, multiple sclerosis, systemic lupus erythematosus etc.) and the like, which has a superior Tyk2 inhibitory action. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: July 21, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Hiroyuki Nagamiya, Masato Yoshida, Masaki Seto, Shogo Marui, Tsuneo Oda, Yuji Ishichi, Hideo Suzuki, Tomokazu Kusumoto, Takatoshi Yogo, Chul Yun Rhim, Cheolhwan Yoon, Gil Nam Lee, Hyun Bin Kang, Kwang Ok Kim, Hye Sun Jeon
  • Publication number: 20150045349
    Abstract: The present invention provides an agent for the prophylaxis or treatment of autoimmune diseases (e.g., psoriasis, rheumatoid arthritis, inflammatory bowel disease, Sjogren's syndrome, Behcet's disease, multiple sclerosis, systemic lupus erythematosus etc.) and the like, which has a superior Tyk2 inhibitory action. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: February 19, 2013
    Publication date: February 12, 2015
    Inventors: Hiroyuki Nagamiya, Masato Yoshida, Masaki Seto, Shogo Marui, Tsuneo Oda, Yuji Ishichi, Hideo Suzuki, Tomokazu Kusumoto, Takatoshi Yogo, Chul Yun Rhim, Cheolhwan Yoon, Gil Nam Lee, Hyun Bin Kang, Kwang Ok Kim, Hye Sun Jeon
  • Patent number: 8722662
    Abstract: Provided is a compound having a monoamine reuptake inhibitory activity, which is represented by the formula (I) wherein ring A is an optionally substituted 6-membered aromatic ring, ring B is the substituents on ring A are optionally bonded to form, together with ring A, an optionally substituted 9- or 10-membered aromatic fused ring, and other symbols are as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: May 13, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuji Ishichi, Masami Yamada, Taku Kamei, Ikuo Fujimori, Yoshihisa Nakada, Tomoya Yukawa, Nobuki Sakauchi, Yusuke Ohba, Tetsuya Tsukamoto
  • Publication number: 20130267494
    Abstract: Provided is a compound having a monoamine reuptake inhibitory activity, which is represented by the formula (I) wherein ring A is an optionally substituted 6-membered aromatic ring, ring B is the substituents on ring A are optionally bonded to form, together with ring A, an optionally substituted 9- or 10-membered aromatic fused ring, and other symbols are as defined in the specification, or a salt thereof.
    Type: Application
    Filed: October 5, 2011
    Publication date: October 10, 2013
    Inventors: Yuji Ishichi, Masami Yamada, Taku Kamei, Ikuo Fujimori, Yoshihisa Nakada, Tomoya Yukawa, Nobuki Sakauchi, Yusuke Ohba, Tetsuya Tsukamoto
  • Patent number: 8252814
    Abstract: Agents for improving potency of the urinary bladder which comprise an amine compound of non-carbamate-type having an acetylcholinesterase-inhibiting action. Particularly, crystals of a tricyclic, condensed, heterocyclic derivative are provided, which possess an excellent action to inhibit acetylcholinesterase and an action to improve the excretory potency of the urinary bladder. As an example, crystals of 8-[3-[1-[(3-fluorophenyl)-methyl]-4-piperidinyl]-1-oxopropyl]-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one or a salt thereof and pharmaceutical compositions containing them are disclosed.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: August 28, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuji Ishihara, Takayuki Doi, Hiroshi Nagabukuro, Yuji Ishichi
  • Publication number: 20120088748
    Abstract: Provided is a compound having a monoamine reuptake inhibitory activity, which is represented by the formula (I) wherein ring A is an optionally substituted 6-membered aromatic ring, ring B is the substituents on ring A are optionally bonded to form, together with ring A, an optionally substituted 9- or 10-membered aromatic fused ring, and other symbols are as defined in the specification, or a salt thereof.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 12, 2012
    Inventors: Yuji Ishichi, Masami Yamada, Taku Kamei, Ikuo Fujimori, Yoshihisa Nakada, Tomoya Yukawa, Nobuki Sakauchi, Yusuke Ohba, Tetsuya Tsukamoto
  • Patent number: 7625887
    Abstract: It is intended to provide a TGR5 receptor agonist containing a fused ring compound represented by the following general formula, its salt or a prodrug thereof: (1) wherein ring A represents an optionally substituted aromatic ring; and the ring B? represents a 5- to 8-membered ring having one or more substituents; which is useful in treating various diseases.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: December 1, 2009
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Fumio Itoh, Shuji Hinuma, Naoyuki Kanzaki, Yuji Kawamata, Taisuke Tawaraishi, Yuji Ishichi, Mariko Hirohashi
  • Publication number: 20090264467
    Abstract: Agents for improving potency of the urinary bladder which comprise an amine compound of non-carbamate-type having an acetylcholinesterase-inhibiting action. Particularly, crystals of a tricyclic, condensed, heterocyclic derivative are provided, which possess an excellent action to inhibit acetylcholinesterase and an action to improve the excretory potency of the urinary bladder. As an example, crystals of 8-[3-[1-[(3-fluorophenyl)-methyl]-4-piperidinyl]-1-oxopropyl]-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one or a salt thereof and pharmaceutical compositions containing them are disclosed.
    Type: Application
    Filed: July 17, 2008
    Publication date: October 22, 2009
    Inventors: Yuji Ishihara, Takayuki Doi, Hiroshi Nagabukuro, Yuji Ishichi
  • 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
  • Publication number: 20070099986
    Abstract: A compound represented by the formula: wherein Ar represents a group represented by the formula: (wherein Y represents methylene or an oxygen atom, R1 represents aminosulfonyl, C1-6 alkylaminosulfonyl, C1-6 alkylcarbonylamino or C1-6 alkylsulfonylamino, R2 represents a hydrogen atom or C1-6 alkyl, R3 represents C1-6 alkyl, and R4 represents a hydrogen atom or C1-6 alkyl); X represents a carbonyl group, or a methylene group which may be substituted with a hydroxy group; and L represents an optionally substituted C4-5 alkylene group, or a salt thereof is provided.
    Type: Application
    Filed: October 31, 2006
    Publication date: May 3, 2007
    Inventors: Yuji Ishichi, Koichi Iwanaga, Tomomi Ikemoto, Hiroaki Yamamoto, Shokyo Miki
  • Publication number: 20060281725
    Abstract: Agents for improving potentcy of the urinary bladder which comprise an amine compound of non-carbamate-type having an acetylcholinesterase-inhibiting action. Particularly, crystals of a tricyclic, condensed, heterocyclic derivative are provided, which possess an excellent action to inhibit acetylcholinesterase and an action to improve the excretory potency of the urinary bladder. As an example, crystals of of 8-[3-[1-[(3-fluorophenyl)-methyl]-4-piperidinyl]-1-oxopropyl]-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one or a salt thereof and pharmaceutical compositions containing them are disclosed.
    Type: Application
    Filed: June 28, 2006
    Publication date: December 14, 2006
    Inventors: Yuji Isihara, Takayuki Doi, Hiroshi Nagabukuro, Yuji Ishichi
  • 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: 20060199795
    Abstract: The present invention provides a TGR5 receptor agonist comprising a fused ring compound represented by the formula wherein ring A is an optionally substituted aromatic ring; and ring B? is a 5- to 8-membered ring having one or more substituents or a salt thereof or a prodrug thereof, which is useful for the treatment of various diseases.
    Type: Application
    Filed: January 27, 2004
    Publication date: September 7, 2006
    Inventors: Fumio Itoh, Shuji Hinuma, Naoyuki Kanzaki, Takashi Miki, Yuji Kawamata, Satoru Oi, Taisuke Tawaraishi, Yuji Ishichi, Mariko Hirohashi
  • 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
  • Publication number: 20040116457
    Abstract: Agents for improving excretory potency of the urinary bladder which comprises an amine compound of non-carbamate-type having an acetylcholinesterase-inhibiting action.
    Type: Application
    Filed: December 4, 2003
    Publication date: June 17, 2004
    Inventors: Yuji Ishihara, Takayuki Doi, Hiroshi Nagabukuro, Yuji Ishichi
  • Publication number: 20020177593
    Abstract: Agents for improving potentcy of the urinary bladder which comprises an amine compound of non-carbamate-type having an acetylcholinesterase-inhibiting action. Particularly, crystals of a tricyclic, condensed, heterocyclic derivative are provided, which possess an excellent action to inhibit acetylcholine esterase and an action to improve the excretory potency of urinary bladder. As an example, crystals of of 8-[3-[1-[(3-fluorophenyl)-methyl]-4-piperidinyl]-1-oxopropyl]-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one or a salt thereof and pharmaceutical compositions containing them are disclosed.
    Type: Application
    Filed: September 24, 2001
    Publication date: November 28, 2002
    Inventors: Yuji Ishihara, Takayuki Doi, Hiroshi Nagabukuro, Yuji Ishichi