Patents by Inventor Harukazu Fukami

Harukazu Fukami 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: 6743913
    Abstract: A pyrrolesulfonamide compound having the following formula (I): wherein the ring P represented by is a pyrrole ring having the following structure: wherein A represents alkylene, alkenylene or alkynylene; and Y represents a group in which W represents CH, C═ or N; m stands for 0 or 1 when W is CH or N, or m stands for 1 when W is C═; B represents a specific divalent group; E1 and E2 each independently represents H or lower alkyl; and D represents an aromatic hydrocarbon group or heterocyclic group; l stands for 0 or 1; the dashed line indicates the presence or absence of a bond; and, when the bond is present, Z2 is not present and Z1 represents H but, when the bond is absent, Z1 represents H and Z2 represents OH or Z1 and Z2 are combined together to represent O or a group NOR5, in which R5 represents H, or alkyl, aralkyl or aryl; and R represents H, alkyl, cycloalkyl, cycloalkyl-alkyl or aralkyl.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: June 1, 2004
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 6677344
    Abstract: A chymase inhibitor for the prevention or treatment of diseases involving an increase of eosinophils, as the effective ingredient, is disclosed, suppress the progress of the disease and to prevent progression of complications, wherein the chymase inhibitor is a quinazoline derivative having the formula (I): wherein X, R1, R2 and R3 are herein defined, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: January 13, 2004
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Harukazu Fukami, Naohiro Watanabe
  • Publication number: 20030229070
    Abstract: A pyrrolesulfonamide compound having the following formula (I): 1
    Type: Application
    Filed: April 24, 2003
    Publication date: December 11, 2003
    Applicant: DAIICHI SUNTORY PHARMA CO., LTD
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 6624314
    Abstract: A pyrrolesulfonamide derivative having the following formula (I): wherein the ring P represented by  is a pyrrole ring having the following structure: wherein R represents alkyl, cycloalkyl, cycloalkylalkyl or aralkyl; the dashed line indicates the presence or absence of a bond; l stands for 0 or 1; A represents alkylene, alkenylene or alkynylene; and Y represents a group  in which W represents CH, C═ or N; m stands for 0 or 1 when W is CH or N, or m stands for 1 when W is C═; B represents a specific divalent group; E1 and E2 each independently represents H or lower alkyl; and D represents an aromatic hydrocarbon group or heterocyclic group. The compound (I) has strong serotonin-2 receptor antagonistic action and low toxicity and less side effects, and is useful as a therapeutic for circulatory diseases such as ischemic heart diseases, cerebrovascular disturbances and peripheral circulatory disturbances.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: September 23, 2003
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 6583296
    Abstract: A pyrrolesulfonamide compound having the following formula (I): wherein the ring P represented by is a pyrrole ring having the following structure: wherein A represents alkylene, alkenylene or alkynylene; and Y represents a group in which W represents CH, C═ or N; m stands for 0 or 1 when W is CH or N, or m stands for 1 when W is C═; B represents a specific divalent group; E1 and E2 each independently represents H or lower alkyl; and D represents an aromatic hydrocarbon group or heterocyclic group; l stands for 0 or 1; the dashed line indicates the presence or absence of a bond; and, when the bond is present, Z2 is not present and Z1 represents H but, when the bond is absent, Z1 represents H and Z2 represents OH or Z1 and Z2 are combined together to represent O or a group NOR5, in which R5 represents H, or alkyl, aralkyl or aryl; and R represents H, alkyl, cycloalkyl, cycloalkyl-alkyl or aralkyl.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: June 24, 2003
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 6500835
    Abstract: A medicament for the prevention or treatment containing a chymase inhibitor, as an effective component, which is a side effect-free, safe medicament for prevention or treatment of fibrosis of the skin or various viscera which suppresses the progression of the condition, prevents the progression of complications, and improves the quality of life of the patient, wherein a quinazoline derivative having the formula (I): or a pharmaceutically acceptable salt thereof is included therein.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: December 31, 2002
    Assignee: Suntory Limited
    Inventors: Harukazu Fukami, Hideki Okunishi, Eiichi Kakizoe
  • Publication number: 20020187989
    Abstract: A medicament for the prevention or treatment of diseases involving an increase of eosinophils having a chymase inhibitor, as its effective ingredient, which is a safe medicament for the prevention or treatment of diseases accompanied with an increase in eosinophils, which suppresses the progress of the condition, prevents progress of complications, and improves the quality of life of the patient, wherein a quinazoline derivative having the formula (I): 1
    Type: Application
    Filed: October 22, 2001
    Publication date: December 12, 2002
    Inventors: Harukazu Fukami, Naohiro Watanabe
  • Publication number: 20020183338
    Abstract: A medicament for the prevention or treatment containing a chymase inhibitor, as an effective component, which is a side effect-free, safe medicament for prevention or treatment of fibrosis of the skin or various viscera which suppresses the progression of the condition, prevents the progression of complications, and improves the quality of life of the patient, wherein a quinazoline derivative having the formula (I): 1
    Type: Application
    Filed: October 22, 2001
    Publication date: December 5, 2002
    Inventors: Harukazu Fukami, Hideki Okunishi, Eiichi Kakizoe
  • Publication number: 20020183339
    Abstract: A medicament safe and free from side effects, for the prevention or treatment of dermatitis exhibiting a biphasic inflammation reaction or dermatitis induced by repeated exposure to an antigen, which suppresses the progress of the condition and improves the quality of life of the patient, which medicament treats dermatitis exhibiting a biphasic inflammation reaction or dermatitis induced by repeated exposure to an antigen by including a quiazoline derivative having the formula (I) or (II) or its pharmaceutically acceptable salt as an effective ingredient: 1
    Type: Application
    Filed: October 22, 2001
    Publication date: December 5, 2002
    Inventors: Harukazu Fukami, Yoshiaki Tomimori, Yoshiaki Fukuda, Naohiro Watanabe
  • Publication number: 20020137928
    Abstract: A pyrrolesulfonamide compound having the following 1
    Type: Application
    Filed: August 28, 2001
    Publication date: September 26, 2002
    Applicant: SUNTORY LIMITED
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Publication number: 20020040017
    Abstract: A pyrrolesulfonamide derivative having the following formula (I): 1
    Type: Application
    Filed: June 4, 2001
    Publication date: April 4, 2002
    Applicant: SUNTORY LIMITED
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 6331623
    Abstract: A pyrrolesulfonamide compound having formula (I) wherein the ring P represented by &agr; is a pyrrole ring having structure &bgr; or &psgr; wherein A represents alkylene, alkenylene or alkynylene; and Y represents a group &dgr; in which W represents CH, C═ or N; m stands for 0 or 1 when W is CH or N, or m stands for 1 when W is C═; B represents a specific divalent group; E1 and E2 each independently represents H or lower alkyl; and D represents an aromatic hydrocarbon group or heterocyclic group; l stands for 0 or 1; the dashed line indicates the presence or absence of a bond; and, when the bond is present, Z2 is not present and Z1 represents H but, when the bond is absent, Z1 represents H and Z2 represents OH or Z1 and Z2 are combined together to represent O or a group NOR5, in which R5 represents H, or alkyl, aralkyl or aryl; and R represents H, alkyl, cycloalkyl, cycloalkyl-alkyl or aralkyl.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: December 18, 2001
    Assignee: Suntory Limited
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 6271223
    Abstract: A pyrrolesulfonamide derivative having the following formula (I): is provided wherein P, A, Y, l, Z1 and Z2 are as described herein, wherein the derivative has strong serotonin-2 receptor antagonistic action, low toxicity and fewer side effects, and its use as a therapeutic for circulatory diseases such as ischemic heart diseases, cerebrovascular disturbances and peripheral circulatory disturbances.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: August 7, 2001
    Assignee: Suntory Limited
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Kamei, Harukazu Fukami, Norio Inomata
  • Patent number: 5814631
    Abstract: A chymase inhibitor containing as its effective ingredient a quinazoline derivative, or a pharmaceutically acceptable salt thereof, having the formula (1): ##STR1## and a pharmaceutical preparation for the prevention of cardiac and circulatory system diseases derived from abnormal exacerbation of Ang II production containing the same as its effective ingredient.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: September 29, 1998
    Assignee: Suntory Limited
    Inventors: Harukazu Fukami, Akiko Ito, Shinjiro Niwata, Saki Kakutani, Motoo Sumida, Yoshinobu Kiso
  • Patent number: 5691335
    Abstract: The invention relates to an imidazolidine derivative represented by the following general formula (1): ##STR1## wherein A and B mean individually an aromatic hydrocarbon group which may be substituted by 1-3 substituents selected from halogen atoms, C.sub.1-4 alkyl groups, C.sub.1-4 alkoxy groups, C.sub.1-4 alkylenedioxy groups, a phenoxy group, a nitro group, a cyano group, a phenyl group, C.sub.2-5 alkanoylamino groups, a carboxyl group which may be esterified with a C.sub.1-4 alkyl or alkenyl group, carboxyalkyl groups which may be esterified with a C.sub.1-4 alkyl or alkenyl group, carboxyalkyloxy groups which may be esterified with a C.sub.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: November 25, 1997
    Assignee: Suntory Limited
    Inventors: Harukazu Fukami, Motoo Sumida, Shinjiro Niwata, Saki Kakutani, Saitoh Masayuki, Shibata Hiroshi, Kiso Yoshinobu
  • Patent number: 5424310
    Abstract: A substituted 1,2,4-triazine-3,5-dione derivative having the formula (I) or a salt thereof: ##STR1## wherein R represents a 5- or 6-membered heterocyclic group which may have at least one substituent selected from the group consisting of a halogen, a lower alkyl group and a halogenated lower alkyl group, and an anticoccidial drug composition containing the same as an active component.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: June 13, 1995
    Assignees: Suntory Limited, Shionogi & Co., Ltd.
    Inventors: Harukazu Fukami, Masaki Hashimoto, Shinjiro Niwata, Jun Imose, Harumoto Kawaguchi, Toshio Takahashi
  • Patent number: 5338719
    Abstract: A benzoxazine derivative having the formula (I) and a salt thereof: ##STR1## wherein A, X, Z, R.sup.1, R.sup.2 and R.sup.3 are as described in the disclosure, and a herbicide containing the compound of the formula (I) as an effective ingredient.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: August 16, 1994
    Assignee: Suntory Limited
    Inventors: Naoko Kawaguchi, Harukazu Fukami, Ryuichi Sago, Keitaro Ikai
  • Patent number: 5205855
    Abstract: A compound of the formula: ##STR1## wherein Q.sup.1 is CH or N; R is H or C.sub.1 -C.sub.5 alkyl; X is H, halogen, CF.sub.3, or NO.sub.2 ; Y is H or halogen; Z is --O-- or --NH--; A is ##STR2## wherein Q.sup.2, and Q.sup.3 are each CH or N; R.sup.1 and R.sup.2 are each H, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, or C.sub.2 -C.sub.6 alkoxycarbonyl; R.sup.3, R.sup.4, and R.sup.5 are each H or C.sub.1 -C.sub.5 alkyl; R.sup.6 is H, halogen, or C.sub.1 -C.sub.5 alkyl; R.sup.7, R.sup.8, R.sup.9, and R.sup.10 are each H or C.sub.1 -C.sub.5 alkyl; R.sup.11 is H, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, C.sub.2 -C.sub.6 alkenyl, C.sub.6 -C.sub.10 aryl, C.sub.7 -C.sub.15 aryloxyalkyl, or C.sub.7 -C.sub.15 aralkyl; R.sup.12 and R.sup.13 are each H or C.sub.1 -C.sub.5 alkyl; R.sup.14 is C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.5 -C.sub.10 aryl, or C.sub.7 -C.sub.15 aralkyl; or R.sup.13 and R.sup.14 taken together form C.sub.3 -C.sub.4 alkylene, V.sup.1 and V.sup.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: April 27, 1993
    Assignees: Suntory Limited, Shionogi & Co., Ltd.
    Inventors: Harukazu Fukami, Naoki Higuchi, Naoko Kawaguchi, Masaki Hashimoto, Kinya Ide, Toshio Takahashi
  • Patent number: 5198458
    Abstract: A compound of the general formula: ##STR1## wherein m is an integer of 1 to 7,n is 0 or an integer of 1 to 5,R.sup.1 is the phenyl, a substituted phenyl, the phenoxy, a substituted phenoxy or a saturated or unsaturated straight alkyl having 5 to 18 carbon atoms,R.sup.2 is hydrogen atom,R.sup.3 is hydrogen atom, a branched or unbranched alkyl having 3 to 5 carbon atoms, the phenyl, hydroxyphenyl, benzyloxyphenyl, an alkylthio having 1 to 3 carbon atoms in its alkyl moiety, amino, carboxyl, hydroxy, benzyloxy, indolyl or imidazolyl, or R.sup.2 and R.sup.3 together form a single bond between the carbon atom and the nitrogen atom, and a pharmaceutical composition containing said compound are provided. The compound is effective in curing amnesia because of its anti-prolyl endopeptidase activity.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: March 30, 1993
    Assignee: Suntory Limited
    Inventors: Naoki Higuchi, Masayuki Saitoh, Masaki Hashimoto, Harukazu Fukami, Takaharu Tanaka
  • Patent number: 5141551
    Abstract: A benzoxazine derivative and a benzothiazine derivative having the formula (I): ##STR1## wherein A is N or a CH group;B is O, S, and SO group or an SO.sub.2 group;W is O, S, a CR.sup.4 R.sup.5 group or an NR.sup.4 group wherein R.sup.4 and R.sup.5 are each independently a hydrogen atom, a CN group or an NO.sub.2 group;X, Y and Z are each independently a hydrogen atom, a halogen atom or a lower haloalkyl group having 1 to 3 carbon atoms;R.sup.1 is a hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms, a lower alkenyl group having 2 to 5 carbon atoms, a lower alkynyl group having 2 to 5 carbon atoms, a lower hydroxyalkyl group having 1 to 5 carbon atoms or a lower haloalkyl group having 1 to 3 carbon atoms; andR.sup.2 and R.sup.3 are each independently a hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms or an aryl group having 6 to 10 carbon atoms and a herbicidal composition containing the compound of the formula (I) as an active ingredient.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: August 25, 1992
    Assignee: Suntory Limited
    Inventors: Naoko Kawaguchi, Harukazu Fukami, Shinjiro Niwata, Ryuichi Sago, Fumio Fujita