Patents by Inventor Takashi Sohda

Takashi Sohda 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: 6172089
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: January 9, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6169100
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: January 2, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6169099
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: January 2, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6166043
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 26, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6166042
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 26, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6156773
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 5, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6150384
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: November 21, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6150383
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: November 21, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6147099
    Abstract: Novel 2,4-oxazolidinedione compounds of the formula: ##STR1## wherein R is a hydrocarbon residue or a heterocyclic group each of which may be substituted; Y is --CO--, --CH(OH)-- or --NR.sup.3 -- (wherein R.sup.3 is an alkyl group which may be substituted); m is 0 or 1; n is 0, 1 or 2; X is CH or N; A is bivalent straight or branched hydrocarbon chain residue having 1 to 7 carbon atoms; R.sup.1 and R.sup.2 each are hydrogen or an alkyl group, or R and R are combined with each other to form a 5- to 6-membered heterocyclic group optionally containing nitrogen; L and M each are hydrogen, or L and M are combined with each other to form a bond, or pharmaceutically acceptable salts thereof, having excellent hypoglycemic and hypolipidemic activities and are useful as anti-diabetics or hypolipidemic agents.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: November 14, 2000
    Assignee: Takeda Chemical Industries, Inc.
    Inventors: Takashi Sohda, Hitoshi Ikeda, Yu Momose, Sachiko Imai
  • Patent number: 6133295
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: October 17, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6133293
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: October 17, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6121294
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: September 19, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6121295
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: September 19, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6110948
    Abstract: A medicinal composition for the prophylaxis and treatment of cachexia which comprises a compound of the formula: ##STR1## wherein R represents a hydrocarbon group that may be substituted or a heterocyclic group that may be substituted; Y represents a group of the formula --CO--, --CH(OH)--, or --NR.sup.3 -- (R.sup.3 represents an alkyl group that may be substituted); m is 0 or 1; n is 0, 1 or 2; X represents CH or N; A represents a bond or a bivalent aliphatic hydrocarbon group having 1 to 7 carbon atoms; Q represents oxygen or sulfur; R.sup.1 represents hydrogen or an alkyl group; ring E may have further 1 to 4 substituents, which may form a ring in combination with R.sup.1 ; L and M respectively represent hydrogen or may be combined with each other to form a bond, provided that when m and n are 0, X represents CH, A represents a bond, Q represents sulfur, R.sup.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: August 29, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yu Momose, Etsuya Matsutani, Takashi Sohda
  • Patent number: 6107323
    Abstract: To provide a pharmaceutical composition which performs a remarkable effect with a relatively decreased dosage, and, with less side effects, a pharmaceutical composition formulated by combination of an angiotensin II-mediated compound or a salt thereof with at least one species of a compound having the activity of increasing insulin-sensitivity, a compound having the activity of improving postprandial hyperglycemia in diabetes mellitus, an indane derivative having the activity of inhibiting angiotensin converting enzyme, a pyridine derivative having the activity of inhibiting HMG-Co A reductase or salts thereof are advantageously employed.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: August 22, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Norikazu Tamura, Takashi Sohda, Hitoshi Ikeda
  • Patent number: 6103742
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: August 15, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6080765
    Abstract: Pharmaceutical composition which comprises an insulin sensitivity enhancer in combination with other antidiabetics differing from the enhancer in the mechanism of action, which shows a potent depressive effect on diabetic hyperglycemia and is useful for prophylaxis and treatment of diabetes.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: June 27, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hitoshi Ikeda, Takashi Sohda, Hiroyuki Odaka
  • Patent number: 6046189
    Abstract: There is disclosed a compound of the formula (A): ##STR1## wherein W is C-G or C-G' (G is optionally esterified carboxyl; and G' is halogen); X is oxygen, optionally oxidized sulfur or --(CH.sub.2).sub.q -- (q is 0 to 5); R is optionally substituted amino or heterocyclic group; the ring B is optionally substituted nitrogen-containing 5- to 7-membered ring; L is hydrogen, optionally substituted hydrocarbon residue, optionally substituted acyl, optionally substituted carbamoyl, optionally substituted thiocarbamoyl or optionally substituted sulfonyl provided that, when W is C-G, L is hydrogen, optionally substituted acyl, optionally substituted carbamoyl, optionally substituted alkoxycarbonyl, optionally substituted thiocarbamoyl or optionally substituted sulfonyl; n is 0 or 1; the ring A may have a substituent. A process for producing the compound (A) and a pharmaceutical composition containing the compound (A) are also disclosed.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: April 4, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takashi Sohda, Haruhiko Makino, Atsuo Baba
  • Patent number: 5972970
    Abstract: Novel 2,4-oxazolidinedione compounds of the formula: ##STR1## wherein R is a hydrocarbon residue or a heterocyclic group each of which may be substituted; Y is --CO--, --CH(OH)-- or --NR.sup.3 -- (wherein R.sup.3 is an alkyl group which may be substituted); m is 0 or 1; n is 0, 1 or 2; X is CH or N; A is bivalent straight or branched hydrocarbon chain residue having 1 to 7 carbon atoms; R.sup.1 and R.sup.2 each are hydrogen or an alkyl group, or R.sup.1 and R.sup.2 are combined with each other to form a 5- to 6-membered heterocyclic group optionally containing nitrogen; L and M each are hydrogen, or L and M are combined with each other to form a bond, or pharmaceutically acceptable salts thereof, having excellent hypoglycemic and hypolipidemic activities and are useful as anti-diabetics or hypolipidemic agents.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: October 26, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takashi Sohda, Hitoshi Ikeda, Yu Momose, Sachiko Imai
  • Patent number: 5965589
    Abstract: A 2,4-thiazolidinedione derivative of the formula (I): ##STR1## wherein R is an optionally substituted hydrocarbon group or heterocyclic group which may be attached through a hydrocarbon chain; n is 0 or 1; X is CH or N; Y is a bivalent hydrocarbon group; R.sup.1 and R.sup.2 are the same or different and are a hydrogen atom, a halogen atom, an optionally substituted hydroxyl group or an optionally substituted hydrocarbon group, and either R.sup.1 or R.sup.2 and a part of Y may be linked together to form a ring; and L and M are a hydrogen atom, or L and M are linked together to form a bond; or a salt thereof. A pharmaceutical composition comprising the compound (I) and a process for producing the compound (I) are also provided.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: October 12, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takashi Sohda, Hiroyuki Odaka, Yu Momose