Patents by Inventor Takayuki Doi

Takayuki Doi 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: 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
  • Patent number: 7087597
    Abstract: Compounds of the formula wherein R1, R2, R3, R4, X and Y are as defined, which have a superior cGMP specific phosphodiesterase (PDE) inhibitory activity, and can be used as an agent for the treatment of cardiovascular diseases such as angina pectoris, heart failure, cardiac infarction, hypertension, arteriosclerosis, and the like; allergic diseases such as asthma, or disorders of male or female genital function and the like.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: August 8, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tetsuo Miwa, Mitsuo Yamamoto, Takayuki Doi, Naoki Tarui
  • 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: 20040058914
    Abstract: A pharmaceutical agent containing an NK-1 receptor antagonist, an NK-2 receptor antagonist and/or an anti-cholinergic drug in combination is provided, which is useful as a prophylactic or therapeutic agent of urinary frequency, urinary incontinence, asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, osteoarthritis, pain, cough, irritable bowel syndrome, emesis, depression, anxiety, manic depressive psychosis or schizophrenia.
    Type: Application
    Filed: June 23, 2003
    Publication date: March 25, 2004
    Inventors: Takayuki Doi, Tadatoshi Hashimoto, Izumi Kamo
  • Publication number: 20040023843
    Abstract: An agent for the prophylaxis or treatment of an emotional disorder, which contains the NK-1 receptor antagonist having particular properties of (1) having no serotonin uptake inhibitory effect, (2) being capable of migrating into the hypothalamus, or (3) having an inhibitory effect on micturition reflex, an agent for the prophylaxis or treatment of depression accompanied by urinary frequency, urinary incontinence and/or irritable bowel syndrome, which contains an NK-1 receptor antagonist, an agent for the prophylaxis or treatment of a mood disorder of patients with urinary frequency and urinary incontinence, and a circadian rhythm controller for the hypothalamic endocrine system are provided.
    Type: Application
    Filed: March 26, 2003
    Publication date: February 5, 2004
    Inventors: Takayuki Doi, Toshikazu Ban
  • Patent number: 6489315
    Abstract: Novel compounds of the following general formula or salts thereof. wherein Ring M is a heterocyclic ring having —N═C<, —CO—N< or —CS—N< as the partial structure —X{overscore (— — — — — — — — —)} Y<; Ra and Rb are bonded to each other to form Ring A, or they are the same or different and represent, independently, a hydrogen atom or a substituent on the Ring M; Ring A and Ring B represent, independently, an optionally substituted homocyclic or heterocyclic ring, and at least one of them is optionally substituted heterocyclic ring; Rng C is optionally substituted homocyclic or heterocyclic ring; Rng Z is an optionally substituted ring; and n represents an integer of from 1 to 6, or a salt thereof, which has an excellent tachykinin receptor antagonistic effect, and their production, and pharmaceutical compositions.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: December 3, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Takenori Ishimaru, Takayuki Doi, Yoshinori Ikeura, Chiharu Kimura
  • 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
  • Publication number: 20020132817
    Abstract: A compound represented by the formula: 1
    Type: Application
    Filed: March 13, 2002
    Publication date: September 19, 2002
    Inventors: Hideaki Natsugari, Takayuki Doi, Yoshinori Ikeura
  • Patent number: 6147071
    Abstract: Novel compounds of the following general formula or salts thereof. ##STR1## wherein Ring M is a heterocyclic ring having --N.dbd.CC<, --CO--N< or --CS--N< as the partial structure --X . . . . . Y<; R.sup.a and R.sup.b are bonded to each other to form Ring A, or they are the same or different and represent, independently, a hydrogen atom or a substituent on the Ring M; Ring A and Ring B represent, independently, an optionally substituted homocyclic or heterocyclic ring, and at least one of them is optionally substituted heterocyclic ring; Ring C is optionally substituted homocyclic or heterocyclic ring; Ring Z is an optionally substituted ring; and n represents an integer of from 1 to 6, or a salt thereof, which has an excellent tachykinin receptor antagonistic effect, and their production, and pharmaceutical compositions.
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: November 14, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Takenori Ishimaru, Takayuki Doi, Yoshinori Ikeura, Chiharu Kimura
  • Patent number: 5786352
    Abstract: Novel compounds of the following general formula or salts thereof. ##STR1## wherein Ring M is a heterocyclic ring having --N.dbd.C<, --CO--N< or --CS--N< as the partial structure --X . . . Y<; R.sup.a and R.sup.b are bonded to each other to form Ring A, or they are the same or different and represent, independently, a hydrogen atom or a substituent on the Ring M; Ring A and Ring B represent, independently, an optionally substituted homocyclic or heterocyclic ring, and at least one of them is optionally substituted heterocyclic ring; Ring C is optionally substituted homocyclic or heterocyclic ring; Ring Z is an optionally substituted ring; and n represents an integer of from 1 to 6, or a salt thereof, which has an excellent tachykinin receptor antagonistic effect, and their production, and pharmaceutical compositions.
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: July 28, 1998
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Takenori Ishimaru, Takayuki Doi, Yoshinori Ikeura, Chiharu Kimura
  • Patent number: 5770590
    Abstract: Novel compounds of the following general formula or salts thereof. ##STR1## wherein Ring M is a heterocyclic ring having --N.dbd.C<, --CO--N< or --CS--N< as the partial structure --X . . . Y<; R.sup.a and R.sup.b are bonded to each other to form Ring A, or they are the same or different and represent, independently, a hydrogen atom or a substituent on the Ring M; Ring A and Ring B represent, independently, an optionally substituted homocyclic or heterocyclic ring, and at least one of them is optionally substituted heterocyclic ring; Rng C is optionally substituted homocyclic or heterocyclic ring; Rng Z is an optionally substituted ring; and n represents an integer of from 1 to 6, or a salt thereof, which has anexcellent tachykinin receptor antagonistic effect, and their production, and pharmaceutical compositions.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: June 23, 1998
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Takenori Ishimaru, Takayuki Doi, Yoshinori Ikeura, Chiharu Kimura, Naoki Tarui
  • Patent number: 5770772
    Abstract: Disclosed are intermediates for the preparation of novel aminocoumaran derivatives of the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are a hydrogen atom, an acyl group, an alkoxycarbonyl group, an aliphatic group or aromatic group; R.sup.3, R.sup.4 and R.sup.5 are an optionally acylated hydroxyl, optionally substituted amino group, alkoxy group or aliphatic group, or two of R.sup.3, R.sup.4 and R.sup.5 may be linked together to form a carbocyclic group; R.sup.6 and R.sup.7 are an aliphatic group and at least one of them has a methylene group at the .alpha.-position; R.sup.8 and R.sup.9 are a hydrogen atom or an aliphatic group or aromatic group, or a salt thereof is useful for medicines for preventing and treating various diseases such as arterial sclerosis, hepatopathy, cerebrovascular diseases and the like.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: June 23, 1998
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tetsuya Aono, Shigenori Ohkawa, Takayuki Doi
  • Patent number: 5700810
    Abstract: Novel compound represented by the formula: ##STR1## wherein A", B, C, D, E, G, Ar, X, Y, and Z are defined herein or a salt thereof. The compounds have excellent activity of inhibiting ACAT, lowering Cholesterol in blood and inhibiting tachykinin receptor, or a salt thereof, their production and use.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: December 23, 1997
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Hitoshi Ikeda, Takenori Ishimaru, Takayuki Doi
  • Patent number: 5594154
    Abstract: A novel aminocoumaran derivative of the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are a hydrogen atom, an acyl group, an alkoxycarbonyl group, an aliphatic group or aromatic group; R.sup.3, R.sup.4 and R.sup.5 are an optionally acylated hydroxyl optionally substituted amino group, alkoxy group or aliphatic group, or two of R.sup.3, R.sup.4 and R.sup.5 may be linked together to form a carbocyclic group; R.sup.6 and R.sup.7 are an aliphatic group and at least one of them has a methylene group at the .alpha.-position; R.sup.8 and R.sup.9 are a hydrogen atom or an aliphatic group or aromatic group, or a salt thereof is useful for medicines for preventing and treating various diseases such as arterial sclerosis, hepatopathy, cerebrovascular diseases and the like.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: January 14, 1997
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tetsuya Aono, Shigenori Ohkawa, Takayuki Doi
  • Patent number: 5585385
    Abstract: A novel compound represented by the formula: ##STR1## wherein Ring A and Ring B respectively stands for an optionally substituted homo- or hetero-cyclic ring, and at least one of them stands for an optionally substituted heterocyclic ring stand; Ring C stands for an optionally substituted benzene ring; R stands for a hydrogen atom or an optionally substituted hydrocarbon residue; one of X and Y stands for --NR.sup.1 -- (R.sup.1 stands for a hydrogen atom or an optionally substituted hydrocarbon residue) or --O--, and the other stands for--CO-- or --CS--, or one of them stands for --N.dbd. and the other stands for .dbd.CR.sup.2 -- (R.sup.2 stands for a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon residue, an optionally substituted amino group or an optionally substituted hydroxyl group); n denotes 1 or 2 or salts thereof which have an excellent tachykinin receptor antagonistic action and inhibitory action on plasma extravasation.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: December 17, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Takenori Ishimaru, Takayuki Doi
  • Patent number: 5523305
    Abstract: Novel composition represented by the formula: ##STR1## wherein ring A and ring B each means a benzene ring which may be substituted; R means a hydrogen atom or an alkyl group which may be substituted; R.sup.1 means a hydrogen atom or an alkyl group which may be substituted; R.sup.2 means a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted, or R.sup.1 and R.sup.2, taken together with the adjacent nitrogen atom, jointly form a ring which may be substituted, or a pharmaceutically acceptable salt thereof which is a useful tachykinin receptor antagonist.
    Type: Grant
    Filed: April 13, 1993
    Date of Patent: June 4, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Hideo Shirafuji, Takayuki Doi
  • Patent number: 5482967
    Abstract: Novel compound represented by the formula: ##STR1## such as 6-Chloro-N-(2,6-diethoxyphenyl)-4-(2-methylphenyl-2-oxo-2H-1-benzopyran-3- acetamide: ##STR2## or a salt thereof. The compound has an excellent activity of inhibiting ACAT, lowering the cholesterol in blood and inhibiting tachykinin receptor. The present invention also relates to the production and use of the disclosed compound.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: January 9, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideaki Natsugari, Hitoshi Ikeda, Takenori Ishimaru, Takayuki Doi
  • Patent number: 5478844
    Abstract: A novel aminocoumaran derivatives of the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are a hydrogen atom, an acyl group, an alkoxycarbonyl group, an aliphatic group or aromatic group; R.sup.3, R.sup.4 and R.sup.5 are an optionally acylated hydroxyl optionally substituted amino group, alkoxy group or aliphatic group, or two of R.sup.3, R.sup.4 and R.sup.5 may be linked together to form a carbocyclic group; R.sup.6 and R.sup.7 are an aliphatic group and at least: one of them has a methylene group at the .alpha.-position; R.sup.8 and R.sup.9 are a hydrogen atom or an aliphatic group or aromatic group, or a salt thereof is useful for medicines for treating various diseases such as arterial sclerosis, hepatopathy, cerebrovascular diseases and the like.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: December 26, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tetsuya Aono, Shigenori Ohkawa, Takayuki Doi