Patents by Inventor Junichi Haruta

Junichi Haruta 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: 20020198244
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) 1
    Type: Application
    Filed: July 18, 2001
    Publication date: December 26, 2002
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Publication number: 20020198245
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) 1
    Type: Application
    Filed: July 18, 2001
    Publication date: December 26, 2002
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Publication number: 20020143040
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) 1
    Type: Application
    Filed: July 18, 2001
    Publication date: October 3, 2002
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Publication number: 20020115701
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) 1
    Type: Application
    Filed: July 18, 2001
    Publication date: August 22, 2002
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Publication number: 20020107270
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) 1
    Type: Application
    Filed: July 18, 2001
    Publication date: August 8, 2002
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Publication number: 20020107271
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) 1
    Type: Application
    Filed: July 18, 2001
    Publication date: August 8, 2002
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Patent number: 6420561
    Abstract: An amide compound of the formula (I): wherein R is amino and the like, A is alkylene and the like, X is O, S and the like, M is arylene and the like, R1, R2, R3 and R4 are H, hydroxy and the like, R5 is H, alkyl and the like, m is an integer of 0-6, R6 is an optionally substituted aryl and the like, and R7 is H, an optionally substituted alkyl and the like, a pharmaceutically acceptable acid addition salt thereof and a pharmaceutical containing same as an active ingredient. The amide compounds exhibit superior suppressive effects on cytokines directly or indirectly involved in inflammations, such as IL-8, IL-1, IL-6, TNF-&agr;, GM-CSF and the like, and are useful for the prophylaxis and treatment of rheumatic diseases, arthritis due to gout and the like.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: July 16, 2002
    Assignee: Japan Tobacco Inc.
    Inventors: Junichi Haruta, Kazuhiko Sakuma, Yoshihiro Watanabe
  • Patent number: 6362209
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) wherein Z is an oxygen atom; one of R and R1 is a group of the formula wherein R3 is lower alkyl, amino or lower alkylamino, and R4, R5, R6 and R7 are the same or different and each is hydrogen atom, halogen atom, lower alkyl, lower alkoxy, trifluoromethyl, hydroxy or amino, provided that at least one of R4, R5, R6 and R7 is not hydrogen atom, and the other is an optionally substituted cycloalkyl, an optionally substituted heterocyclic group or an optionally substituted aryl; and R2 is a lower alkyl or a halogenated lower alkyl, and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: March 26, 2002
    Assignee: Japan Tobacco Inc.
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Patent number: 6174887
    Abstract: An amide compound of the formula (I): wherein R is amino and the like, A is alkylene and the like, X is O, S and the like, M is arylene and the like, R1, R2, R3 and R4 are H, hydroxy and the like, R5 is H, alkyl and the like, m is an integer of 0-6, R6 is an optionally substituted aryl and the like, and R7 is H, an optionally substituted alkyl and the like, a pharmaceutically acceptable acid addition salt thereof and a pharmaceutical containing same as an active ingredient. The amide compounds exhibit superior suppressive effects on cytokines directly or indirectly involved in inflammations, such as IL-8, IL-1, IL-6, TNF-&agr;, GM-CSF and the like, and are useful for the prophylaxis and treatment of rheumatic diseases, arthritis due to gout and the like.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: January 16, 2001
    Assignee: Japan Tobacco Inc.
    Inventors: Junichi Haruta, Kazuhiko Sakuma, Yoshihiro Watanabe
  • Patent number: 6002014
    Abstract: Oxazole derivatives of the formula (I) ##STR1## wherein one of R and R.sub.1 is a methylsulfonylphenyl, an aminosulfonylphenyl or an alkylaminosulfonylphenyl, and the other is a cycloalkyl having 5 to 7 carbon atoms which is optionally substituted by lower alkyl, a thienyl optionally substituted by lower alkyl or halogen atom or a furanyl optionally substituted by lower alkyl or halogen atom, and R.sub.2 is a lower alkyl, and pharmaceutically acceptable salts thereof. The oxazole derivatives and pharmaceutically acceptable salts thereof have superior antipyretic action, analgesic action, anti-inflammatory action, and particularly, selective inhibitory action on cyclooxygenase-2 (COX-2), and are expected to be useful as an antipyretic agent, an analgesic agent and an anti-inflammatory agent with less side-effects such as disorders in the digestive tract.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 14, 1999
    Assignee: Japan Tobacco, Inc.
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Patent number: 5994381
    Abstract: A heterocyclic aromatic oxazole compound of the formula (I) ##STR1## wherein Z is an oxygen atom; one of R and R.sub.1 is a group of the formula ##STR2## wherein R.sub.3 is lower alkyl, amino or lower alkylamino, and R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are the same or different and each is hydrogen atom, halogen atom, lower alkyl, lower alkoxy, trifluoromethyl, hydroxy or amino, provided that at least one of R.sub.4, R.sub.5, R.sub.6 and R.sub.7 is not hydrogen atom, and the other is an optionally substituted cycloalkyl, an optionally substituted heterocyclic group or an optionally substituted aryl; and R.sub.2 is a lower alkyl or a halogenated lower alkyl, and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: November 30, 1999
    Assignee: Japan Tobacco, Inc.
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Patent number: 5945539
    Abstract: Oxazole derivatives of the formula (I) ##STR1## wherein one of R and R.sub.1 is a methylsulfonylphenyl, an aminosulfonyl-phenyl or an alkylaminosulfonylphenyl, and the other is a cycloalkyl having 5 to 7 carbon atoms which is optionally substituted by lower alkyl, a thienyl optionally substituted by lower alkyl or halogen atom or a furanyl optionally substituted by lower alkyl or halogen atom, and R.sub.2 is a lower alkyl, and pharmaceutically acceptable salts thereof. The oxazole derivatives and pharmaceutically acceptable salts thereof have superior antipyretic action, analgesic action, anti-inflammatory action, and particularly, selective inhibitory action on cyclooxygenase-2 (COX-2), and are expected to be useful as an antipyretic agent, an analgesic agent and an anti-inflammatory agent with less side-effects such as disorders in the digestive tract.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: August 31, 1999
    Assignee: Japan Tobacco, Inc.
    Inventors: Junichi Haruta, Hiromasa Hashimoto, Mutsuyoshi Matsushita
  • Patent number: 5329042
    Abstract: Provided is a novel (1R, 2S)-1-acyl-2-carboxycyclohex-4-ene derivative represented by the following general formula [I], and its producing method, ##STR1## (where R.sup.1 represents a hydrogen atom, a lower alkyl group, or substituted or unsubstituted aryl group, and R.sup.2 represents a hydrogen atom, or a lower alkyl group). Also provided is a method of producing a (3S, 4R)-4-substituted-3-carboxycyclopentanone derivative represented by the following general formula [A], ##STR2## (where R.sup.1 and R.sup.2 are the same as those mentioned above).
    Type: Grant
    Filed: December 24, 1992
    Date of Patent: July 12, 1994
    Assignee: Japan Tobacco Inc.
    Inventors: Junichi Haruta, Kazuhiko Sakuma, Akihiro Yasuda, Katsuyoshi Hara, Itsuo Uchida
  • Patent number: 5191074
    Abstract: A process for producing a .beta.-lactam compound of the formula ##STR1## wherein OR.sup.1 is a protected or unprotected hydroxyl group; R.sup.2 is a C.sub.1 to C.sub.7 alkyl or aryl group; from an azetidinone compound of the formula ##STR2## wherein X is an electronegative group removable through the reaction in three steps in which the second step subjects the .beta.-lactam compound obtained in the first step to silylation to convert the R.sup.2 group to the beta form.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: March 2, 1993
    Assignees: Yasumitsu Tamura, Shionogi & Co., Ltd.
    Inventors: Yasumitsu Tamura, Junichi Haruta, Nishi Koichi
  • Patent number: 5151497
    Abstract: Novel peptide derivatives of the following formula ##STR1## wherein each symbol is as defined in the specification, pharmaceutically acceptable acid addition salts thereof and analogous copounds thereof.Since the derivatives and their pharmaceutically acceptable acid addition salts of the present invention possess stronger actions on central nervous system (e.g. antagonistic action against hypothermia, locomotor stimulant action, signal reflex stimulant action), they are of use as a therapeutic medicament for central nervous disorders such as impaired consciousness, depression, hypomnesia, the like in association association with schizophrenia, melancholia, senile dementia, sequelae of cerebrovascular disorders, head trauma, epilepsy and spinocerebellar degeneracy.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: September 29, 1992
    Assignees: Japan Tobacco Inc., Yoshotomi Pharmaceutical Industries, Ltd.
    Inventors: Itsuo Uchida, Akira Saito, Akihiro Yasuda, Kunio Iwata, Hiroaki Hari, Katsuyoshi Hara, Mutsuyoshi Matsushita, Koretake Anami, Junichi Haruta, Noboru Furukawa
  • Patent number: 4745209
    Abstract: Alpha-arylalkanoic esters are prepared by reacting a trivalent iodine compound represented by the general formula:Ar--I.dbd.Owherein Ar is an aromatic hydrocarbon, group, with a carbonyl compound represented by the general formula ##STR1## wherein Ar.sup.1 is an aromatic hydrocarbon, R is a hydrogen atom or an alkyl group and R.sup.1 is a hydrogen atom or an alkyl group, in the presence of an orthocarboxylic ester.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: May 17, 1988
    Assignee: Yasumitsu Tamura
    Inventors: Yasumitsu Tamura, Junichi Haruta
  • Patent number: RE39088
    Abstract: An amide compound of the formula (I): ? wherein R is amino and the like, A is alkylene and the like, X is O, S and the like, M is arylene and the like, R1, R2, R3 and R4 are H, hydroxy and the like, R5 is H, alkyl and the like, m is an integer of 0-6, R6 is an optionally substituted aryl and the like, and R7 is H, an optionally substituted alkyl and the like, a pharmaceutically acceptable acid addition salt thereof and a pharmaceutical containing same as an active ingredient. The amide compounds exhibit superior suppressive effects on cytokines directly or indirectly involved in inflammations, such as IL-8, IL-1, IL-6, TNF-?, GM-CSF and the like, and are useful for the prophylaxis and treatment of rheumatic diseases, arthritis due to gout and the like.
    Type: Grant
    Filed: August 15, 1996
    Date of Patent: May 2, 2006
    Assignee: Japan Tobacco, Inc.
    Inventors: Junichi Haruta, Kazuhiko Sakuma, Yoshihiro Watanabe