Patents Assigned to R-Tech Ueno
  • Publication number: 20030079244
    Abstract: An agent for treating exocrine gland disorders by inhibiting the production and/or an activity of interleukin-10; and a transgenic mouse useful for screening the same wherein interleukin-10 is specifically expressed in its exocrine glands.
    Type: Application
    Filed: November 22, 2002
    Publication date: April 24, 2003
    Applicant: R-TECH UENO, LTD.
    Inventors: Kazuo Tsubota, Ichiro Saito
  • Publication number: 20030040528
    Abstract: An object of the present invention is to provide an anti-constipation composition containing a halogenated-bi-cyclic compound as an active ingredient in a ratio of bi-cyclic/mono-cyclic structure of at least 1:1.
    Type: Application
    Filed: May 6, 2002
    Publication date: February 27, 2003
    Applicant: R-TECH UENO, LTD.
    Inventor: Ryuji Ueno
  • Patent number: 6476039
    Abstract: The ophthalmic composition of this invention are used for treatment of diabetic corneal lesion and/or for treatment of deteriorated corneal esthesia, which comprises, as an active ingredient, a compound represented by the general formula (I): wherein A and B are independently lower alkylene, X, Y, and Z are independently halogen, or a pharmacologically acceptable salt thereof. In addition, the ophthalmic composition of this invention are used for treatment of non-diabetic corneal lesion, for treatment of dry eye syndrome, and/or for treatment of hypolacrimation which comprises, as an active ingredient, an aldose reductase inhibitor. The ophthalmic compositions of this invention are effective for treatment of at least one disease selected among corneal lesion, deteriorated corneal esthesia, dry eye syndrome, and hypolacrimation.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: November 5, 2002
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryuji Ueno, Ichie Kato
  • Publication number: 20020161015
    Abstract: The ophthalmic composition of this invention are used for treatment of diabetic corneal lesion and/or for treatment of deteriorated corneal esthesia, which comprises, as an active ingredient, a compound represented by the general formula (I): 1
    Type: Application
    Filed: April 29, 2002
    Publication date: October 31, 2002
    Applicant: R-TECH UENO, LTD.
    Inventors: Ryuji Ueno, Ichie Kato
  • Patent number: 6403598
    Abstract: The ophthalmic composition of this invention are used for treatment of diabetic corneal lesion and/or for treatment of deteriorated corneal esthesia, which comprises, as an active ingredient, a compound represented by the general formula (I): wherein A and B are independently lower alkylene, X, Y, and Z are independently halogen, or a pharmacologically acceptable salt thereof. In addition, the ophthalmic composition of this invention are used for treatment of non-diabetic corneal lesion, for treatment of dry eye syndrome, and/or for treatment of hypolacrimation which comprises, as an active ingredient, an aldose reductase inhibitor. The ophthalmic compositions of this invention are effective for treatment of at least one disease selected among corneal lesion, deteriorated corneal esthesia, dry eye syndrome, and hypolacrimation.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: June 11, 2002
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryuji Ueno, Ichie Kato
  • Publication number: 20020022644
    Abstract: Disclosed is treatment of ocular hypertension and glaucoma by long-term therapy with a prostaglandin related compound for eliminating or reducing potential iridic pigmentation. Composition useful for the treatment, and use of the prostaglandin related compound for producing the composition are also disclosed.
    Type: Application
    Filed: July 9, 2001
    Publication date: February 21, 2002
    Applicant: R-TECH UENO, LTD.
    Inventor: Ryuji Ueno
  • Patent number: 6339088
    Abstract: A composition for treatment of external secretion disorders except hypolacrimation which comprises, as an active ingredient, an aldose reductase inhibitor. The composition is effective in at least one of diseases selected from hyposalivation and dry mouth syndrome.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: January 15, 2002
    Assignee: R-Tech Ueno. Ltd.
    Inventors: Ryuji Ueno, Ichie Kato
  • Patent number: 6329426
    Abstract: By combined administration of a non-FP receptor agonist type prostaglandin compound, for example isopropyl unoprostone, and a FP-receptor type prostaglandin compound, for example Latanoprost, the ocular hypotensive effect of the prostaglandin compounds is enhanced synergistically.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: December 11, 2001
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Ryuji Ueno
  • Patent number: 6291521
    Abstract: The present invention provides an anti-portal hypertensive agent comprising a 15-keto-prostaglandin compound as an active ingredient.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: September 18, 2001
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Ryuji Ueno
  • Patent number: 6265440
    Abstract: The novel 13,14-dihydro-15-keto prostaglandins E of the invention have remarkable preventive effects against ulcers. Further, the novel 13,14-dihydro-15-keto-prostaglandins E of the invention have an advantage that they have none of side effects which prostaglandin E intrinsically has, or can remarkably reduce such effects of the prostaglandin E. Therefore, the novel 13,14-dihydro-15-keto prostaglandins E of the invention are effective for animal and human use for treatment and prevention of ulcers, such as duodenal ulcer and gastric ulcer.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: July 24, 2001
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryuzo Ueno, Ryuji Ueno, Ichie Kato, Tomio Oda
  • Patent number: 6248759
    Abstract: A method for treatment of light-injured retinal degeneration disease comprising, administering an effective amount of a dihydropyridine calcium antagonist other than nimodipine is provided. The dihydropyridine calcium antagonist used in the present invention is useful for treatment of light-injured retinal degeneration, especially macula lutea degeneration including age-related macula degeneration.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: June 19, 2001
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Ryuji Ueno
  • Patent number: 6242485
    Abstract: An endothelin antagonist comprising as the active ingredient a prostanoic acid derivative wherein the &agr;-chain has eight or more skeletal carbon atoms.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: June 5, 2001
    Assignee: R-Tech Ueno
    Inventor: Ryuji Ueno
  • Patent number: 6197821
    Abstract: The present invention provides an antagonist for endothelin which is considered to have a relation to hypertension, Buerger is disease, asthma, eyegrounds diseases, and the like. Said endothelin antagonist contains 15-keto-prostaglandin E compounds, especially 13,14-dihydro-15-keto-16-mono or dihalo-prostaglandins.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: March 6, 2001
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Ryuji Ueno
  • Patent number: 6159930
    Abstract: The present invention provides a pharmaceutical composition for treatment of corneal and conjunctival lesion, and dry eye comprising albumin as an active ingredient. The pharmaceutical composition is also useful for increase of eye surface epithelium mucin secretion. The present invention further provides a method for treatment of corneal and conjunctival lesion and dry eye, which comprises administering, to a subject in need of such treatment, albumin in an amount effective. In addition, the present invention provides a use of albumin for manufacture of a pharmaceutical composition of the present invention.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: December 12, 2000
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Kazuo Tsubota
  • Patent number: 6043213
    Abstract: The present invention provides a pharmaceutical composition for treatment of corneal and conjunctival lesion, and dry eye comprising albumin as an active ingredient. The pharmaceutical composition is also useful for increase of eye surface epithelium mucin secretion. The present invention further provides a method for treatment of corneal and conjunctival lesion, and dry eye, which comprises administering, to a subject in need of such treatment, albumin in an amount effective. In addition, the present invention provides a use of albumin for manufacture of a pharmaceutical composition of the present invention.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: March 28, 2000
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Kazuo Tsubota
  • Patent number: 5773471
    Abstract: The present invention provides a method for treatment of optic nerve disorder by the administration of a prostanoic acid compound in an amount effective in treatment of optic nerve disorder to a subject in need of such treatment, by which visual acuity can be recovered.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: June 30, 1998
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Yoshihisa Oguchi, Yukihiko Mashima, Yoshiki Hiida, Tomihiko Tanino, Ryuji Ueno, Hiroyoshi Osama, Tohru Hirato
  • Patent number: 5770759
    Abstract: The present invention provides new compounds, 13,14-dihydro-15-keto-PGFs, and vassopressors containing them, which raise blood pressure without substantial ephemeral depression of blood pressure, trachea or enteron contraction effect inherent in usual PGFs.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: June 23, 1998
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryuzo Ueno, Ryuji Ueno, Tomio Oda
  • Patent number: 5739161
    Abstract: The object of the present invention is to provide a pharmaceutical composition for treatment of hepato.biliary disease reduced in side effect such as diarrhea, which comprises 16,16-difluoro-15-keto-PGs having at least one methyl group or ethyl group on the carbon atom at the 17- or 18-position or adjacent to the terminal methyl group of .omega.-chain as an essential component.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: April 14, 1998
    Assignee: R-Tech Ueno, Ltd.
    Inventor: Ryuji Ueno
  • Patent number: 5686487
    Abstract: A method for treatment of a cataract which comprises administering, to a subject in need of such treatment, a 15-ketoprostaglandin compound in an amount effective in treatment of cataract.
    Type: Grant
    Filed: September 6, 1994
    Date of Patent: November 11, 1997
    Assignee: R-Tech Ueno Ltd.
    Inventor: Ryuji Ueno
  • Patent number: 5591887
    Abstract: The present invention provides new compounds, 13,14-dihydro-15-keto-PGFs, and vassopressors containing them, which raise blood pressure without substantial ephemeral depression of blood pressure, trachea or enteron contraction effect inherent in usual PGFs.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: January 7, 1997
    Assignee: R-Tech Ueno, Ltd.
    Inventors: Ryuzo Ueno, Ryuji Ueno