Patents Assigned to R-Tech Ueno
  • Patent number: 9603833
    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: Grant
    Filed: February 25, 2015
    Date of Patent: March 28, 2017
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Tatsuya Matsukawa, Kazuhiro Masuzaki, Akiko Kawasaki, Akiko Akasaka, Yosuke Kawai
  • Patent number: 9254306
    Abstract: An eye drop containing (i) a peptide having an amino acid sequence which is represented by Ser-Ser-Ser-Arg (“SSSR”), or a pharmaceutically acceptable salt thereof and (ii) a peptide having an amino acid sequence represented by Phe-Gly-Leu-Met-NH2 (“FGLM”), or a pharmaceutically acceptable salt thereof. The concentration ratio of the SSSR or a pharmaceutically acceptable salt thereof and the FGLM or a pharmaceutically acceptable salt thereof is 1/15 and 1/50. The concentration of the SSSR or a pharmaceutically acceptable salt thereof is 0.001% to 0.3% (w/v), and the concentration of the FGLM or a pharmaceutically acceptable salt thereof is 0.015% to 1.5% (w/v). The pH of the eye drop is 2.5 to 6.5. The eye drop serves to minimize the occurrence of side effects and serves to improve its storage stability.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: February 9, 2016
    Assignee: R-TECH UENO, LTD.
    Inventors: Takahiro Nakamura, Yuichiro Nakada, Takashi Nagano, Masatsugu Nakamura
  • Patent number: 9254326
    Abstract: Provided is a pharmaceutical composition including an 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: Grant
    Filed: January 6, 2015
    Date of Patent: February 9, 2016
    Assignees: R-TECH UENO, LTD., SUCAMPO AG
    Inventors: Yasuhiro Harada, Junichi Kawasaki, Yoshie Nishimura, Ryuji Ueno
  • Patent number: 9242950
    Abstract: A method for manufacturing a fatty acid derivative represented by formula (I) is provided: wherein Z1 is wherein R3 is a protecting group for a hydroxy group; which includes the step of reacting a compound of formula (II): wherein Z2 is the same as Z1 except for when Z1 is Z2 is with a co-oxidizer under the presence of an azaadamantane-N-oxyl derivative.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: January 26, 2016
    Assignees: R-TECH UENO, LTD., SUCAMPO AG
    Inventors: Tatsuya Matsukawa, Noriyuki Yamamoto, Ryuji Ueno, Hiroyuki Kotajima, Shunsuke Fukuya, Michiharu Handa, Katsuya Sakata
  • Patent number: 9212158
    Abstract: A method for manufacturing a fatty acid derivative represented by formula (I) is provided: wherein Z1 is wherein R3 and R4 are hydrogen atom, halogen atom, lower alkyl or lower alkoxy; when R3 and R4 are lower alkoxy, R3 and R4 may be linked together to form a ring structure; which includes the step of reacting a compound of formula (II): wherein Z2 is the same as Z1; with a co-oxidizer under the presence of an azaadamantane-N-oxyl derivative.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: December 15, 2015
    Assignee: R-TECH UENO, LTD.
    Inventors: Tatsuya Matsukawa, Noriyuki Yamamoto
  • Patent number: 9205154
    Abstract: The present invention provides a method for screening an agent being useful for the treatment of dry eye and/or corneal and conjunctival lesion of dry eye severity level 3 or more according to the report of the International Dry Eye WorkShop (DEWS Report) (2007) and a pharmaceutical composition comprising the agent. The present invention further provides a method for the treatment of dry eye and/or corneal and conjunctival lesion of dry eye severity level 3 or more according to DEWS Report (2007) using the agent.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: December 8, 2015
    Assignee: R-TECH UENO, LTD.
    Inventors: Yukihiko Mashima, Akio Siranita
  • Publication number: 20150126609
    Abstract: Provided is a pharmaceutical composition including an 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: January 6, 2015
    Publication date: May 7, 2015
    Applicants: SUCAMPO AG, R-TECH UENO, LTD.
    Inventors: Yasuhiro HARADA, Junichi KAWASAKI, Yoshie NISHIMURA, Ryuji UENO
  • Patent number: 8999989
    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: Grant
    Filed: May 29, 2009
    Date of Patent: April 7, 2015
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Tatsuya Matsukawa, Kazuhiro Masuzaki, Akiko Kawasaki, Akiko Akasaka, Yosuke Kawai
  • Patent number: 8969324
    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: Grant
    Filed: July 16, 2008
    Date of Patent: March 3, 2015
    Assignees: R-Tech Ueno, Ltd., Sucampo AG
    Inventors: Yasuhiro Harada, Junichi Kawasaki, Yoshie Nishimura, Ryuji Ueno
  • Publication number: 20150011475
    Abstract: The present invention provides a method for screening an agent being useful for the treatment of dry eye and/or corneal and conjunctival lesion of dry eye severity level 3 or more according to the report of the International Dry Eye WorkShop (DEWS Report) (2007) and a pharmaceutical composition comprising the agent. The present invention further provides a method for the treatment of dry eye and/or corneal and conjunctival lesion of dry eye severity level 3 or more according to DEWS Report (2007) using the agent.
    Type: Application
    Filed: September 25, 2014
    Publication date: January 8, 2015
    Applicant: R-TECH UENO, LTD.
    Inventors: Yukihiko MASHIMA, Akio SIRANITA
  • Patent number: 8871995
    Abstract: The present invention provides a method for screening an agent being useful for the treatment of dry eye and/or corneal and conjunctival lesion of dry eye severity level 3 or more according to the report of the International Dry Eye WorkShop (DEWS Report) (2007) and a pharmaceutical composition comprising the agent. The present invention further provides a method for the treatment of dry eye and/or corneal and conjunctival lesion of dry eye severity level 3 or more according to DEWS Report (2007) using the agent.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: October 28, 2014
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Yukihiko Mashima, Akio Siranita
  • Publication number: 20140287036
    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: June 10, 2014
    Publication date: September 25, 2014
    Applicants: R-TECH UENO, LTD., SUCAMPO AG
    Inventors: Yukiko HASHITERA, Ryu HIRATA, Yasuhiro HARADA, Ryuji UENO
  • Publication number: 20140212441
    Abstract: The present invention relates to methods and pharmaceutical compositions for immunosuppression by using the fatty acid derivative represented by formula (I). The present invention further relates to methods and pharmaceutical compositions for treating inflammatory diseases, allergic diseases and autoimmune diseases by using said fatty acid derivative.
    Type: Application
    Filed: June 20, 2012
    Publication date: July 31, 2014
    Applicant: R-TECH UENO, LTD.
    Inventors: Yukihiko Mashima, Masahiro Tajima, Reiko Tabuchi
  • Patent number: 8779187
    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: Grant
    Filed: November 16, 2012
    Date of Patent: July 15, 2014
    Assignees: Sumcampo AG, R-Tech Ueno, Ltd.
    Inventors: Yukiko Hashitera, Ryu Hirata, Yasuhiro Harada, Ryuji Ueno
  • Publication number: 20140194497
    Abstract: Provided is a composition for scalp and hair treatment, including 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: February 6, 2014
    Publication date: July 10, 2014
    Applicant: R-TECH Ueno, Ltd.
    Inventors: Masato IINO, Satoshi YAMAKI, Satoshi NAKANISHI, Masahiro TAJIMA, Ryuji UENO
  • Publication number: 20140171496
    Abstract: The present invention provides a method and composition for promoting hair growth in a mammal which comprises a prostaglandin compound having two hetero atoms at the 15 position as an active ingredient thereof.
    Type: Application
    Filed: February 7, 2014
    Publication date: June 19, 2014
    Applicant: R-Tech Ueno, Ltd.
    Inventors: Ryuji UENO, Tsuyoshi HABE, Takashi SEKIDA
  • Patent number: 8686035
    Abstract: The present invention provides a method and composition for promoting hair growth in a mammal which comprises a prostaglandin compound having two hetero atoms at the 15 position as an active ingredient thereof.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: April 1, 2014
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryuji Ueno, Tsuyoshi Habe, Takashi Sekida
  • Patent number: 8669284
    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: Grant
    Filed: June 15, 2011
    Date of Patent: March 11, 2014
    Assignees: Sucampo AG, R-Tech Ueno, Ltd.
    Inventors: Ryu Hirata, Yasuhiro Harada, Ryuji Ueno
  • Publication number: 20140046280
    Abstract: The present invention provides an applicator, which holds an intended quantity of liquid medicament and applies the same to skin or mucous membrane without wasting. The applicator comprises a grip portion 10 for grasping; a neck portion 12, which can be elastically deflected, continuous from the grip portion 10; and a head portion 13, having a slit 14 for holding the liquid medicament supplied, continuous from the neck portion 12. When the head portion 13 is pressed against the skin or the mucous membrane, the liquid medicament is applied there while the neck portion 12 is elastically deflected.
    Type: Application
    Filed: April 13, 2012
    Publication date: February 13, 2014
    Applicant: R-TECH UENO LTD
    Inventors: Tomoko Uno, Takashi Hayashi, Yasuhiro Harada, Masahiro Tajima
  • Patent number: 8507690
    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: Grant
    Filed: January 30, 2009
    Date of Patent: August 13, 2013
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Tatsuya Matsukawa, Kazuhiro Masuzaki, Yosuke Kawai, Akiko Kawasaki, Akiko Akasaka, Makoto Takewaki