Patents Assigned to Otsuka Pharmaceutical Co., Ltd.
  • Patent number: 9084904
    Abstract: A composition for external use capable of more efficiently deriving the effect of purine substances (and/or salts thereof) including (A) sugar; and (B) at least one member selected from the group consisting of purine substances and salts thereof.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: July 21, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kosaburo Wakamatsu, Shigeo Shinohara, Masahiko Tanaka, Fumiki Harano, Akihiro Aoki, Osamu Takasu
  • Patent number: 9073868
    Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5 -methyl-2-oxo-1,3-dioxol-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: July 7, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
  • Patent number: 9072670
    Abstract: The present invention aims to provide a matrix-type solid preparation that has high-level release controllability for suppressing drug release in the upper gastrointestinal tract and accelerating drug release in the lower gastrointestinal tract, and that solves of all the above drawbacks caused by combining a plasticizer. The present invention provides a matrix-type pharmaceutical solid preparation that contains: (a) a methacrylic acid-based enteric polymer; and (b) a sugar and/or a sugar alcohol, wherein 1 g of the sugar and/or the sugar alcohol can be dissolved in not more than 4 g of water at a water temperature of 20 to 25° C.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: July 7, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventor: Kai Suzuki
  • Patent number: 9073890
    Abstract: Compounds, pharmaceutical compositions containing the compounds, and methods of using the compounds to treat a disorder, e.g., schizophrenia and cognitive deficit, in a subject are described herein. The compounds disclosed herein include quinoline and quinazoline-containing compounds that modulate striatal-enriched tyrosine phosphatase (STEP) activity.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: July 7, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Masaki Suzuki, Kazumi Kondo, Muneaki Kurimura, Krishna Reddy Valluru, Akira Takahashi, Takeshi Kuroda, Haruka Takahashi, Tae Fukushima, Shin Miyamura, Indranath Ghosh, Abhishek Dogra, Geraldine Harriman, Amy Elder, Satoshi Shimizu, Kevin J. Hodgetts, Jason S. Newcom
  • Publication number: 20150184252
    Abstract: The present invention provides an easy and rapid method for detecting/identifying the presence or absence of specific Plasmodium parasites and four species of malaria parasites in a human specimen, an anti-malaria measure support system, and a malaria infection-prevention/treatment system, which can contribute to practical diagnosis in a malaria endemic area. According to the present invention, using a genus-specific primer set that can detect four Plasmodium parasites that infect humans at a time, and the primer sets each specific to each of four species of Plasmodium parasites (P. falciparum, P. vivax, P. malariae, and P. ovale), the presence or absence of infection with these parasites can be detected/identified easily and rapidly.
    Type: Application
    Filed: December 16, 2014
    Publication date: July 2, 2015
    Applicants: EHIME UNIVERSITY, OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Takafumi TSUBOI, Eun-Taek HAN
  • Patent number: 9067887
    Abstract: The present invention provides a compound represented by the formula (I) wherein X is a hydrogen atom or a fluorine atom; R is a hydrogen atom or alkyl; R1 is (1) cyclopropyl optionally substituted by 1 to 3 halogen atoms or (2) phenyl optionally substituted by 1 to 3 halogen atoms; R2 is alkyl, alkoxy, haloalkoxy, a halogen atom, cyano, etc.; and R3 is 7-oxo-7,8-dihydro-1,8-naphthyridinyl, 3-pyridyl, etc., or a salt thereof. The compound of the present invention has excellent antimicrobial activity against Clostridium difficile and is useful for the prevention or treatment of intestinal infection such as Clostridium difficile-associated diarrhea.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: June 30, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD
    Inventors: Mamuti Abudusaimi, Fangguo Ye, Jiangqin Sun, Hisashi Miyamoto, Jay-Fei Cheng, Daisuke Oka
  • Patent number: 9066848
    Abstract: A process is provided for making sterile aripiprazole having an average particle size less than 100 microns but preferably greater than 25 microns employing an impinging jet crystallization procedure. The resulting bulk aripiprazole of desired particle size may be used to form a sterile freeze-dried aripiprazole formulation, which upon constitution with water and intramuscular injection releases aripiprazole over a period of at least about one week and up to about eight weeks.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: June 30, 2015
    Assignee: Otsuka Pharmaceuticals Co., Ltd.
    Inventors: Margaret M. Gleeson, Soojin Kim, Donald C. Kientzler, San Kiang
  • Publication number: 20150176083
    Abstract: The present invention provides an easy and rapid method for detecting/identifying the presence or absence of specific Plasmodium parasites and four species of malaria parasites in a human specimen, an anti-malaria measure support system, and a malaria infection-prevention/treatment system, which can contribute to practical diagnosis in a malaria endemic area. According to the present invention, using a genus-specific primer set that can detect four Plasmodium parasites that infect humans at a time, and the primer sets each specific to each of four species of Plasmodium parasites (P. falciparum, P. vivax, P. malariae, and P. ovale), the presence or absence of infection with these parasites can be detected/identified easily and rapidly.
    Type: Application
    Filed: December 16, 2014
    Publication date: June 25, 2015
    Applicants: OTSUKA PHARMACEUTICAL CO., LTD., EHIME UNIVERSITY
    Inventors: Takafumi TSUBOI, Eun-Taek HAN
  • Patent number: 9051333
    Abstract: The present invention provides a novel 6,7-dihydroimidazo[2,1-b][1,3]oxazine compound that has excellent bactericidal action against tubercle bacilli, multidrug-resistant tubercle bacilli, and atypical acid-fast bacilli. Specifically, the present invention provides a compound represented by Formula (1): or a salt thereof, wherein R1 represents tetrahydroisoquinolyl, tetrahydroquinolyl, tetrahydrobenzoazepinyl, benzoxazolyl, benzothiazolyl, indolyl, isoindolinyl, naphthyl, quinolyl, phenyl, biphenylyl, or pyridyl, these groups being optionally substituted, the phenyl, biphenylyl, and pyridyl represented by R1 each being substituted directly or via a linker with at least one group selected from the group consisting of tetrahydropyridyl, diazepanyl, diazabicycloheptanyl, tetrahydrotriazolopyrazinyl, tetrahydroimidazopyrazinyl, azabicyclooctanyl, oxazolyl, piperazinyl, piperidyl, thiazolyl, and the like, each of these groups being optionally substituted; and R2 represents hydrogen or lower alkyl.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 9, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Yoshikazu Kawano, Yoshikazu Haraguchi, Hirofumi Sasaki, Yukitaka Uematsu, Hidetsugu Tsubouchi, Hiromi Yata, Hiroshi Shimizu, Kazuho Kohashi, Motohiro Itotani, Kuninori Tai, Isao Takemura, Mikayo Hayashi, Hiroyuki Hashizume, Miki Matsuba, Izuru Nakamura, Xiuhao Chen, Makoto Matsumoto
  • Patent number: 9051268
    Abstract: [Object] An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: June 9, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Haruka Yoshida, Toshiaki Taniguchi, Tadashi Mukai
  • Publication number: 20150150806
    Abstract: The present invention aims to provide a matrix-type solid preparation that has high-level release controllability for suppressing drug release in the upper gastrointestinal tract and accelerating drug release in the lower gastrointestinal tract, and that solves of all the above drawbacks caused by combining a plasticizer. The present invention provides a method for producing a matrix-type pharmaceutical solid preparation that contains: (a) a methacrylic acid-based enteric polymer; (b) a sugar and/or a sugar alcohol, and (c) tolvaptan.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 4, 2015
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventor: Kai SUZUKI
  • Patent number: 9045464
    Abstract: The present invention provides a quinolone compound represented by General Formula (1) or a salt thereof, wherein R1 represents a hydrogen atom, etc.; R2 represents a hydrogen atom, etc.; R3 represents a phenyl group optionally being substituted with one or more substituents, etc.; R4 represents a halogen atom; R5 represents a hydrogen atom or halogen atom; R6 represents a hydrogen atom; and R7 represents a hydroxyl group, etc. The quinolone compound have a functional improvement effect, which suppresses progression of neurological dysfunction by inhibiting the chronic progression of Parkinson's disease or protecting dopamine neurons from the disease etiology, thereby prolonging the period before first administration begins.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: June 2, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kenji Otsubo, Yuji Ochi, Masami Nakai, Atsushi Mori
  • Patent number: 9040492
    Abstract: An object of the present invention is to provide a novel double-stranded RNA that has high resistance to nuclease and cellular uptake efficiency and that can produce an excellent RNA interference effect. The present invention provides a double-stranded lipid-modified RNA comprising an antisense strand having a nucleotide sequence complementary to a target sequence in a target gene, and a sense strand having a nucleotide sequence complementary to the antisense strand, the double-stranded RNA being capable of suppressing the expression of the target gene, and the sense strand having a double-stranded lipid bound directly or via a linker to at least one of the first to sixth nucleotides from the 5? end.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: May 26, 2015
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Takanori Kubo, Hideki Ohba, Hidekazu Toyobuku, Hirotake Hayashi
  • Patent number: 9040501
    Abstract: Provided herein are compounds used to inhibit the deamination enzyme responsible for the inactivation of therapeutic compounds, and methods of using them.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: May 26, 2015
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Sergel Belyakov, Bridget Duvall, Dana Ferraris, Gregory Hamilton, Mark Vaal
  • Publication number: 20150141338
    Abstract: An object of the present invention is to provide a combination drug that has remarkably excellent preventive and/or therapeutic effects on polycystic kidney disease. The present invention provides a drug for preventing and/or treating polycystic kidney disease comprising a combination of tolvaptan or a prodrug thereof with a somatostatin derivative, and a method for treating polycystic kidney disease using this drug.
    Type: Application
    Filed: May 30, 2013
    Publication date: May 21, 2015
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroyuki Fujiki, Miki Aihara, Shizuo Kinoshita
  • Patent number: D729627
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: May 19, 2015
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shunichiro Sumida, Shinji Nishitani, Shinichi Ishikawa
  • Patent number: D729931
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: May 19, 2015
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Akifumi Takeuchi, Shogo Hiraoka, Yuichiro Takada
  • Patent number: D733564
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: July 7, 2015
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shunichiro Sumida, Shinji Nishitani, Shinichi Ishikawa
  • Patent number: D734158
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: July 14, 2015
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shunichiro Sumida, Shinji Nishitani, Shinichi Ishikawa
  • Patent number: D734661
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: July 21, 2015
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shunichiro Sumida, Shinji Nishitani, Shinichi Ishikawa