Patents Assigned to R-Tech Ueno
  • Publication number: 20110065642
    Abstract: The present invention provides a pharmaceutical composition for the treatment of dry eye and/or corneal and conjunctival lesion which comprises a recombinant human serum albumin produced by a recombinant yeast obtained by transforming a yeast with a gene for human serum albumin. Further, the present invention provides a method for the treatment of dry eye and/or corneal and conjunctival lesion, which comprises administering an effective amount of a recombinant human serum albumin produced by a recombinant yeast obtained by transforming a yeast with a gene for human serum albumin to a subject in need of the treatment of eye and/or corneal and conjunctival lesion.
    Type: Application
    Filed: May 15, 2009
    Publication date: March 17, 2011
    Applicant: R-TECH UENO, LTD.
    Inventors: Yukihiko Mashima, Nakayuki Kishimoto, Reiko Tabuchi, Naoko Shima
  • Publication number: 20110059957
    Abstract: The present invention provides a novel benzene derivative or thiophene derivative useful as a VAP-1 inhibitor, or a medicament for the prophylaxis or treatment of a VAP-1 associated disease and the like, namely, a compound represented by the formula (I): wherein each symbol is as defined in the present specification, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 29, 2009
    Publication date: March 10, 2011
    Applicant: R-TECH UENO, LTD.
    Inventors: Tatsuya Matsukawa, Kazuhiro Masuzaki, Akiko Kawasaki, Akiko Akasaka, Yosuke Kawai
  • Publication number: 20110015240
    Abstract: The invention provides a thiazole derivative useful as a VAP-1 inhibitor, as well as a pharmaceutical agent for the prophylaxis or treatment of VAP-1 associated diseases and the like, a method of inhibiting VAP-1 in a subject, and a method for the prophylaxis or treatment of VAP-1 associated disease in a subject. The thiazole derivative is a compound represented by the formula (I): R1—NH—X—Y—Z wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: January 30, 2009
    Publication date: January 20, 2011
    Applicant: R-TECH UENO, LTD.
    Inventors: Tatsuya Matsukawa, Kazuhiro Masuzaki, Yosuke Kawai, Akiko Kawasaki, Akiko Akasaka, Makoto Takewaki
  • Publication number: 20100274032
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Application
    Filed: April 19, 2010
    Publication date: October 28, 2010
    Applicants: SUCAMPO AG, R-TECH UENO, LTD.
    Inventors: Ryu HIRATA, Tatsuya Matsukawa, Kazuhiro Masuzaki, Ryuji Ueno
  • Patent number: 7812182
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: October 12, 2010
    Assignees: Sucampo AG, R-Tech Ueno, Ltd.
    Inventors: Ryu Hirata, Tatsuya Matsukawa, Kazuhiro Masuzaki, Ryuji Ueno
  • Publication number: 20100210697
    Abstract: The present invention aims to provide a pharmaceutical composition effective for the treatment of cataract. A pharmaceutical composition for the treatment of cataract, containing a VAP-1 inhibitor as an active ingredient, particularly a pharmaceutical composition for the treatment of cataract, containing a compound represented by the formula (I) and the like as an active ingredient: R1—NH—X—Y—Z??(I) wherein each symbol is as defined in the description.
    Type: Application
    Filed: October 17, 2008
    Publication date: August 19, 2010
    Applicant: R-TECH UENO, LTD.
    Inventors: Yukihiko Mashima, Ryo Inoue, Nakayuki Kishimoto
  • Publication number: 20100204491
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Application
    Filed: April 19, 2010
    Publication date: August 12, 2010
    Applicants: SUCAMPO AG, R-TECH UENO, LTD.
    Inventors: Ryu HIRATA, Tatsuya Matsukawa, Kazuchiro Masuzaki, Ryuji Ueno
  • Publication number: 20100204489
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Application
    Filed: April 19, 2010
    Publication date: August 12, 2010
    Applicants: SUCAMPO AG, R-TECH UENO, LTD.
    Inventors: Ryu HIRATA, Tatsuya Matsukawa, Kazuhiro Masuzaki, Ryuji Ueno
  • Publication number: 20100190834
    Abstract: According to the present invention, a composition containing a VAP-1 inhibitor as an active ingredient, which is effective for ophthalmic diseases associated with hypoxia or ischemia can be provided. According to the present invention, moreover, an angiogenesis inhibitor that suppresses pathologic angiogenesis associated with hypoxia or ischemia can be provided.
    Type: Application
    Filed: June 25, 2008
    Publication date: July 29, 2010
    Applicant: R-TECH UENO, LTD.
    Inventors: Yukihiko Mashima, Naomi Kurono, Nami Yoshikawa
  • Publication number: 20100087540
    Abstract: Provided is a pharmaceutical composition comprising: a) a prostaglandin compound; (b) a sugar alcohol; (c) a polyol; and (d) a pharmaceutically acceptable carrier. The composition of the present invention can be stored stably even in a polyethylene container. In addition, the composition of the present invention can be stored stably for a long term even if it comprises only a small amount of a preserving agent.
    Type: Application
    Filed: October 1, 2009
    Publication date: April 8, 2010
    Applicants: R-TECH UENO, LTD., SUCAMPO AG
    Inventors: Yasuhiro HARADA, Junichi Kawasaki, Tadashi Hayashi, Ryuji Ueno
  • Publication number: 20090022787
    Abstract: Provided is a pharmaceutical composition comprising a 11-deoxy-prostaglandin compound represented by formula (I): and a fatty acid ester. By mixing the compound of formula (I) and a fatty acid ester, the compound of formula (I) will be stabilized.
    Type: Application
    Filed: July 16, 2008
    Publication date: January 22, 2009
    Applicants: R-TECH UENO, LTD., SUCAMPO AG
    Inventors: Yasuhiro HARADA, Junichi Kawasaki, Yoshie Nishimura, Ryuji Ueno
  • Patent number: 7355064
    Abstract: Disclosed is an improved method for preparing 15-keto-prostaglandin E derivative. According to the invention, the deprotection of protected hydroxy group required in manufacturing a 15-keto-prostaglandin derivative is conducted under the presence of a phosphoric acid compound.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: April 8, 2008
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryu Hirata, Tatsuya Matsukawa
  • Patent number: 7321057
    Abstract: The present invention provides a new method for manufacturing a prostaglandin analogue having one or more keto groups on the 5-membered ring and/or omega chain, which comprises the step of treating a corresponding hydroxyl group containing compound with a co-oxidizer under the presence of a tetramethylpyperidine-1-oxyl derivative to form the desired prostaglandin analogue. The method of the invention can be carried out easily under relatively mild conditions.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: January 22, 2008
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryu Hirata, Tatsuya Matsukawa
  • Publication number: 20070298134
    Abstract: Provided is a composition for scalp and hair treatment, comprising a menthol derivative and a prostaglandin compound having two hetero atoms at the 15 position. The composition of the present invention is effective not only for preventing dandruff and itchy scalp but also for preventing or treating hair loss, baldness, or hair thinness.
    Type: Application
    Filed: December 28, 2005
    Publication date: December 27, 2007
    Applicant: R-TECH UENO, LTD.
    Inventors: Masato Iino, Satoshi Yamaki, Satoshi Nakanishi, Masahiro Tajima, Ryuji Ueno
  • Publication number: 20070244333
    Abstract: Disclosed is a method for preparing a prostaglandin derivative of formula (A): which comprises reacting an aldehyde represented by formula (1): with a 2-oxoalkyl phosphonate in a reaction solvent under the presence of alkali hydroxide as sole base. By carrying out the reaction using an alkali hydroxide as sole base in the reaction system, the desired prostaglandin derivative can be obtained by simple procedures and with high yield.
    Type: Application
    Filed: February 7, 2007
    Publication date: October 18, 2007
    Applicant: R-TECH UENO, LTD.
    Inventors: Ryu Hirata, Tatsuya Matsukawa, Kazuhiro Masuzaki
  • Publication number: 20070185206
    Abstract: Disclosed is an improved method for preparing 15-keto-prostaglandin E derivative. According to the invention, the deprotection of protected hydroxy group required in manufacturing a 15-keto-prostaglandin derivative is conducted under the presence of a phosphoric acid compound.
    Type: Application
    Filed: February 7, 2007
    Publication date: August 9, 2007
    Applicant: R-TECH UENO, LTD.
    Inventors: Ryu Hirata, Tatsuya Matsukawa
  • Publication number: 20070172522
    Abstract: Disclosed is a method for stabilizing a pharmaceutically active bi-cyclic compound of formula (i): comprising the step of: admixing the same with a polyol and/or a fatty acid ester other than glyceride and a composition obtained by the method. In addition a soft gelatin capsule formulation of the compound of formula (I) obtained by incorporating the compound in a soft gelatin capsule shell comprising gelatin and a polyol plasticizer.
    Type: Application
    Filed: January 23, 2007
    Publication date: July 26, 2007
    Applicant: R-TECH UENO, LTD.
    Inventors: Ryu Hirata, Yasuhiro Harada
  • Publication number: 20070172523
    Abstract: The present invention discloses a soft gelatin capsule formulation of a 15-keto-prostaglandin compound, which comprises: a soft gelatin capsule shell comprising gelatin and sugar alcohol as a plasticizer, and a mixture comprising a 15-keto-prostaglandin compound and a pharmaceutically acceptable vehicle which is filled in the shell. By encapsulating the 15-keto-prostaglandin compound in the specified soft gelatin capsule shell, stability of the compound is significantly improved.
    Type: Application
    Filed: January 23, 2007
    Publication date: July 26, 2007
    Applicant: R-TECH UENO, LTD.
    Inventors: Yukiko Hashitera, Ryu Hirata, Yasuhiro Harada
  • Publication number: 20030171438
    Abstract: Disclosed is a method for treatment of external secretion disorders, which comprises administering a fatty acid derivative to a subject in need of said treatment. The method of the present invention is useful for treatment of at least one condition selected from hypolacrimation including disorder of basal tear secretion, dry-eye syndrome, hyposalivation and dry-mouth syndrome.
    Type: Application
    Filed: March 4, 2003
    Publication date: September 11, 2003
    Applicant: R-TECH UENO, LTD.
    Inventor: Ryuji Ueno
  • Patent number: 6566398
    Abstract: Disclosed is a method for treatment of external secretion disorders, which comprises administering a fatty acid derivative to a subject in need of said treatment. The method of the present invention is useful for treatment of at least one condition selected from hypolacrimation including disorder of basal tear secretion, dry-eye syndrome, hyposalivation and dry-mouth syndrome.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: May 20, 2003
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Ryuji Ueno