Patents by Inventor Mitsuya Hongu

Mitsuya Hongu 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: 9024009
    Abstract: The present invention is directed to a novel process for the preparation of compounds having inhibitory activity against sodium-dependent glucose transporter (SGLT) being present in the intestine or kidney.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: May 5, 2015
    Assignees: Janssen Pharmaceutica N.V., Mitsubishi Tanabe Pharma Corporation
    Inventors: Ahmed F. Abdel-Magid, Maureen Chislom, Steven Mehrman, Lorraine Scott, Kenneth M. Wells, Fan Zhang-Plasket, Sumihiro Nomura, Mitsuya Hongu, Yuichi Koga
  • Patent number: 8969376
    Abstract: The present invention relates to a compound represented by formula [I]: wherein: R1 is hydrogen, halogen, lower alkyl or cyano; Ring A is an optionally substituted heterocyclic group; Ring B is an optionally substituted 3 to 6-membered monocyclic group; and Y is optionally substituted amino, optionally substituted cyclic amino, optionally substituted aliphatic 3 to 6-membered monocyclyloxy, optionally substituted lower alkyl or optionally substituted lower alkyl-O—, or a pharmaceutically acceptable salt thereof, and to their use as PDE10 inhibitor.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: March 3, 2015
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Eiji Kawanishi, Mitsuya Hongu, Yoshihito Tanaka
  • Publication number: 20120309754
    Abstract: The present invention relates to a compound represented by formula [I]: wherein: R1 is hydrogen, halogen, lower alkyl or cyano; Ring A is an optionally substituted heterocyclic group; Ring B is an optionally substituted 3 to 6-membered monocyclic group; and Y is optionally substituted amino, optionally substituted cyclic amino, optionally substituted aliphatic 3 to 6-membered monocyclyloxy, optionally substituted lower alkyl or optionally substituted lower alkyl-O—, or a pharmaceutically acceptable salt thereof, and to their use as PDE10 inhibitor.
    Type: Application
    Filed: February 25, 2011
    Publication date: December 6, 2012
    Inventors: Eiji Kawanishi, Mitsuya Hongu, Yoshihito Tanaka
  • Publication number: 20100256165
    Abstract: A large conductance calcium-activated K channel opener comprising as an active ingredient a nitrogen-containing 5-membered heterocyclic compound represented by the following formula (I): wherein X represents N—R4, O or S, R1 and R2 each independently represent hydrogen, halogen, carboxyl, amino, lower alkyl, lower alkoxycarbonyl, lower alkenyl, cyclo-lower alkyl, carbamoyl, aryl, heterocyclic or heterocyclic-substituted carbonyl group, R3 represents aryl, heterocyclic or lower alkyl group, and R4 represents hydrogen or lower alkyl group, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 7, 2010
    Publication date: October 7, 2010
    Inventors: Mitsuya Hongu, Toshihiro Hosaka, Toshihiko Kashiwagi, Rikako Kono, Hiroyuki Kobayashi
  • Patent number: 7759373
    Abstract: A large conductance calcium-activated K channel opener comprising as an active ingredient a nitrogen-containing 5-membered heterocyclic compound represented by the following formula (I): wherein X represents N—R4, O or S, R1 and R2 each independently represent hydrogen, halogen, carboxyl, amino, lower alkyl, lower alkoxycarbonyl, lower alkenyl, cyclo-lower alkyl, carbamoyl, aryl, heterocyclic or heterocyclic-substituted carbonyl group, R3 represents aryl, heterocyclic or lower alkyl group, and R4 represents hydrogen or lower alkyl group, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: July 20, 2010
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Mitsuya Hongu, Toshihiro Hosaka, Toshihiko Kashiwagi, Rikako Kono, Hiroyuki Kobayashi
  • Publication number: 20090233874
    Abstract: The present invention is directed to a novel process for the preparation of compounds having inhibitory activity against sodium-dependent glucose transporter (SGLT) being present in the intestine or kidney.
    Type: Application
    Filed: September 9, 2008
    Publication date: September 17, 2009
    Inventors: Ahmed F. Abdel-Magid, Maureen Chisholm, Steven Mehrman, Lorraine Scott, Kenneth M. Wells, Fan Zhang-Plasket, Sumihiro Nomura, Mitsuya Hongu, Yuichi Koga
  • Publication number: 20080027014
    Abstract: Novel compounds of formula (A) or a pharmaceutically acceptable salt thereof: wherein symbols are as defined in claims, which are useful as SGLT inhibitors and for treatment of diabetes and related diseases.
    Type: Application
    Filed: July 26, 2007
    Publication date: January 31, 2008
    Inventors: Sumihiro Nomura, Mitsuya Hongu
  • Publication number: 20040127527
    Abstract: A large conductance calcium-activated K channel opener comprising as an active ingredient a nitrogen-containing 5-membered heterocyclic compound represented by the following formula (I): 1
    Type: Application
    Filed: February 10, 2004
    Publication date: July 1, 2004
    Inventors: Mitsuya Hongu, Toshihiro Hosaka, Toshihiro Hosaka, Rikako Kono, Hiroyuki Kobayashi
  • Patent number: 6048842
    Abstract: A propiophenone derivative of the formula (I): ##STR1## wherein OX is a hydroxy group which may optionally be protected, Y is a lower alkyl group, and Z is a .beta.-D-glucopyranosyl group wherein one or more hydroxy groups may optionally be protected, or a pharmaceutically acceptable salt thereof. Said compounds have excellent hypoglycemic activity so that they are useful in the prophylaxis or treatment of diabetes.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: April 11, 2000
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Tsujihara, Kunio Saito, Mitsuya Hongu, Mamoru Matsumoto, Akira Oku
  • Patent number: 5830873
    Abstract: A propiophenone derivative of the formula ?I!: ##STR1## wherein X is O, S or methylene, OY is a protected or unprotected OH, Z is .beta.-D-glucopyranosyl or 4-O-(.alpha.-D-glucopyranosyl)-.beta.-D-glucopyranosyl or wherein one or more hydroxy groups of these groups may optionally be acylated, and the dotted line means the presence or absence of a double bond, or a pharmaceutically acceptable salt thereof. Said compounds have excellent hypoglycemic activity so that they are useful in the prophylaxis or treatment of diabetes.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: November 3, 1998
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Tsujihara, Mitsuya Hongu, Nobuyuki Funami, Masanori Inamasu, Kenji Arakawa
  • Patent number: 5767094
    Abstract: A propiophenone derivative the formula ?I!: ##STR1## wherein R' is a lower alkanoyl group and R" is a hydrogen atom, or R' is a hydrogen atom and R" is a lower alkoxycarbonyl group, or a pharmaceutically acceptable salt thereof. Said compounds have excellent hypoglycemic activity so that they are useful in the prophylaxis or treatment of diabetes.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: June 16, 1998
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Tsujihara, Kunio Saito, Mitsuya Hongu, Mamoru Matsumoto, Kozo Oka
  • Patent number: 5731292
    Abstract: A method for prophylaxis or treatment of diabetes, which comprises administering to a patient with diabetes an effective amount of a dihydrochalcone derivative of the formula ?I!: ##STR1## wherein Ar is an aryl group, R.sup.1 is hydrogen atom or an acyl group, R.sup.2 is a hydrogen atom, an acyl group or .alpha.-D-glucopyranosyl group, or R.sup.1 and R.sup.2 may combine together to form a substituted methylene group, R.sup.3 and R.sup.4 are each a hydrogen atom or an acyl group, OR.sup.5 is a protected or unprotected hydroxy group or a lower alkoxy group, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: March 24, 1998
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Tsujihara, Mitsuya Hongu, Nobuyuki Funami, Masanori Inamasu, Kenji Arakawa
  • Patent number: 5424406
    Abstract: A method for treatment of diabetes, which comprises administering to a patient with diabetes an effective amount of a dihydrochalcone derivative of the formula: ##STR1## wherein Ar is an aryl group, R.sup.1 is a hydrogen atom or an acyl group, R.sup.2 is a hydrogen atom, an acyl group or .alpha.-D-glucopyranosyl group, or R.sup.1 and R.sup.2 may combine together to form a substituted methylene group, R.sup.3 and R.sup.4 are each a hydrogen atom or an acyl group, OR.sup.5 is a protected or unprotected hydroxy group or a lower alkoxy group; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: June 13, 1995
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Tsujihara, Mitsuya Hongu, Nobuyuki Funami, Masanori Inamasu, Kenji Arakawa