Patents Assigned to Otsuka Pharmaceutical Co., Ltd.
  • Patent number: 9211254
    Abstract: The invention provides an ophthalmic product containing rebamipide, which has a transparency enough to be agreeable feeling on using it and has neutral to weakly acidic pH not to injury of the keratoconjunctiva of a patient suffering from dry eye. An aqueous suspension of crystalline rebamipide which has an improved transparency is provided by adding an aqueous solution of rebamipide dissolved by a base such as sodium hydroxide or an aqueous solution of a salt of rebamipide to an aqueous acidic solution such as hydrochloric acid containing at least one of the compounds selected from water-soluble polymers and surfactants, and mixing them.
    Type: Grant
    Filed: November 11, 2005
    Date of Patent: December 15, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Takakuni Matsuda, Shogo Hiraoka, Yuso Tomohira, Shinichi Ishikawa
  • Patent number: 9212187
    Abstract: The present invention provides a novel diazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The present invention relates to a diazepine compound represented by General Formula (1) or a salt thereof, wherein R1, R2, R3, and R4 are each independently hydrogen, lower alkyl, cyclo lower alkyl or lower alkoxy lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more substituents selected from the group consisting of hydroxyl and oxo; Y1 and Y2 are each independently —N? or —CH?; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; R6 and R7 may be linked to form a ring together with the neighboring group —XA—N—XB—; XA and XB are each independently a bond, lower alkylene, etc.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 15, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kunio Oshima, Shuuji Matsumura, Hokuto Yamabe
  • Publication number: 20150352095
    Abstract: The present invention provides a tetomilast crystal that is industrially easily produced in a large volume. (1) a tetomilast hydrate crystal having a power X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 2; (2) an anhydrous tetomilast type A crystal having a powder X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 4; (3) an anhydrous tetomilast type C crystal having a powder X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 8; (4) a tetomilast acetonitrile solvate crystal having a powder X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 10; and (5) a mixture consisting of the above anhydrous tetomilast type A crystal and an anhydrous tetomilast type B crystal.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Satoshi AOKI, Kenji NAKAYA, Masahiro SOTA, Masashi ISHIGAMI
  • Patent number: 9206173
    Abstract: The present invention provides a novel heterocyclic compound. A heterocyclic compound represented by general formula (1) wherein, R1 and R2, each independently represent hydrogen; a phenyl lower alkyl group that may have a substituent(s) selected from the group consisting of a lower alkyl group and the like on a benzene ring and/or a lower alkyl group; or a cyclo C3-C8 alkyl lower alkyl group; or the like; R3 represents a lower alkynyl group or the like; R4 represents a phenyl group that may have a substituent(s) selected from the group consisting of a 1,3,4-oxadiazolyl group that may have e.g., halogen or a heterocyclic group selected from pyridyl group and the like; the heterocyclic group may have at least one substituent(s) selected from a lower alkoxy group and the like or a salt thereof.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: December 8, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Akira Takahashi, Masaki Suzuki, Yuichi Nakamura, Yohji Sakurai
  • Patent number: 9206429
    Abstract: Aptamers that bind IL-6 are provided. Pharmaceutical compositions comprising IL-6 aptamers are provided, as well as methods of treating conditions using the aptamers are also provided.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: December 8, 2015
    Assignees: SomaLogic, Inc., Otsuka Pharmaceutical Co., Ltd
    Inventors: Shashi Gupta, Masao Hirota, Daniel J. Schneider, Tomoki Suzuki, Thale C. Jarvis, Yuichi Ishikawa, Ikuo Murakami, Amy Gelinas, Sheela Waugh, Nebojsa Janjic
  • Patent number: 9206167
    Abstract: The present invention provides a heterocyclic compound represented by the general formula (1): The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: December 8, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hiroshi Yamashita, Nobuaki Ito, Shin Miyamura, Kunio Oshima, Jun Matsubara, Hideaki Kuroda, Haruka Takahashi, Satoshi Shimizu, Tatsuyoshi Tanaka
  • Patent number: 9206169
    Abstract: The present invention provides a method for producing a compound of Formula (4): wherein R1 is a hydrogen atom etc. by reacting a compound of Formula (2): wherein X1 is a leaving group, with a compound of Formula (3): wherein R1 is as defined above, in the presence of (a) a palladium compound and a tertiary phosphine or (b) a palladium carbene complex, in an inert solvent or without a solvent. The present invention can produce the compound of Formula (4), with high purity and high yield, and by a simple operation.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: December 8, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Koichi Shinhama, Naoto Utsumi, Masahiro Sota, Shigeo Fujieda, Shin Ogasawara
  • Patent number: 9200332
    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: Grant
    Filed: July 29, 2015
    Date of Patent: December 1, 2015
    Assignees: EHIME UNIVERSITY, OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Takafumi Tsuboi, Eun-Taek Han
  • Patent number: 9192185
    Abstract: The present invention relates to an extract obtained by extracting useful components containing equol from an equol-containing fermented soybean hypocotyl, and to a method for producing the same. The present invention makes it possible to efficiently obtain useful components containing equol from the fermented soybean hypocotyl by subjecting an equol-containing fermented soybean hypocotyl to extraction using an ethanol aqueous solution as an extractant. The present invention reduces the content of saponin, which causes an unpleasant taste, by sequentially subjecting the equol-containing fermented soybean hypocotyl to extraction using an ethanol aqueous solution and ethanol, while efficiently extracting equol and glycitein.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: November 24, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Michiaki Tominaga, Takao Taki, Toshiaki Matsumoto, Izumi Hanya, Takuma Imada, Kunihiko Matsuoka, Takuya Kishimoto, Yuko Uchiyama, Hiromasa Tsuneishi, Machiko Tsuji, Tania Valdes-Gonzalez, Kentaro Tadano, Kyoko Kameda
  • Publication number: 20150322534
    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: July 29, 2015
    Publication date: November 12, 2015
    Applicants: OTSUKA PHARMACEUTICAL CO., LTD., EHIME UNIVERSITY
    Inventors: Takafumi TSUBOI, Eun-Taek HAN
  • Patent number: 9181205
    Abstract: An object of the present invention is to provide a novel method for producing an oxazole compound. The invention relates to a method for producing a compound represented by formula (1): wherein R1 is lower alkyl group or halogen substituted lower alkyl group, R2 is lower alkyl group, R5 is lower alkyl group, R11 is lower alkyl group, halogen substituted lower alkyl group or a group represented by formula: —CY2COOR12, wherein Y is a halogen atom, R12 is an alkali metal atom or lower alkyl group, Ar1 is phenyl group substituted with lower alkyl group, etc., or pyridyl group substituted with lower alkyl group, etc., X2, X3 and X9 are the same or different and are halogen atoms, X4 is a leaving group, and M is an alkali metal atom.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: November 10, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Minoru Okada, Takashi Kabuki, Shigeo Fujieda, Nao Koseki
  • Patent number: 9173844
    Abstract: An object of the present invention is to provide a gradual disintegration-type, sustained-release pharmaceutical solid preparation whose pharmacologically active substance release behavior is controlled. The solid pharmaceutical preparation of the present invention is a matrix-type preparation containing: (a) a pharmacologically active substance; (b) calcium polycarbophil; and (c) a specific sugar and/or sugar alcohol.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: November 3, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventor: Kai Suzuki
  • Patent number: 9176124
    Abstract: The determination method of the present invention includes steps of measuring equol in a biological sample derived from a subject who has ingested soybean isoflavone by an immunological method using S-equol as at least one antigen selected from the group consisting of the standard antigen and the labeled antigen, and determining an equol-producing ability of the subject based on the measured value of equol obtained in the above step.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: November 3, 2015
    Assignees: OTSUKA PHARMACEUTICAL CO., LTD., EIKEN KAGAKU KABUSHIKI KAISHA
    Inventors: Takayuki Minekawa, Kumiko Shindome, Katsushi Abe, Hiroshi Okuma, Chieko Ando, Yasuhiro Abiru
  • Patent number: 9169463
    Abstract: The present invention relates to stem cells obtained by culturing monocytes in the presence of (i) M-CSF and (ii) at least one member selected from the group consisting of ganglioside and water-soluble plant-derived extract, thereby dedifferentiating the monocytes; a therapeutic agent for treating damaged cells, tissues or organs; a cell drug agent; a method of producing stem cells, a culture medium for dedifferentiating monocytes; a dedifferentiation inducing agent; a cell drug kit; a kit for producing dedifferentiated cells; and a pharmaceutical composition.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: October 27, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Hisanobu Hirano, Yasushi Ohkubo, Kenjiro Sasaki, Hironobu Ishiyama
  • Publication number: 20150297694
    Abstract: The present invention provides a novel method for determining cancer malignancy, a novel cancer diagnostic method, a novel method for determining prognosis, a novel vaccine for cancer treatment, and a novel vaccine for suppressing cancer metastasis. Specifically, the invention provides a cancer malignancy evaluation method that comprises the step of measuring a DDX3X expression level in a cancer tissue, and the step of evaluating malignancy of the cancer tissue by using the DDX3X expression level.
    Type: Application
    Filed: September 3, 2013
    Publication date: October 22, 2015
    Applicants: OTSUKA PHARMACEUTICAL CO., LTD., NIIGATA UNIVERSITY
    Inventors: Hiroshi KAGAMU, Ichiei NARITA, Yoshihiro GOTO, Takashi HAYASHI
  • Publication number: 20150299748
    Abstract: An object of the present invention is to provide a fermented product containing equol-producing microorganisms in the state of living cells by which equol production ability is maintained. When producing a fermented material by using an equol-producing microorganism, with soybean powder or soybean milk as raw materials, (1) preparing a mother starter by fermentation under anaerobic conditions by using an equol-producing microorganism in the presence of a daidzein species at pH 5.0 or higher, (2) preparing a bulk starter by fermentation under anaerobic conditions by using said mother starter in the presence of a daidzein species at pH 5.0 or higher, and (3) preparing a fermented material by fermentation by using said bulk starter in a medium containing soybean powder or soybean milk, enables production of a fermented material containing microorganisms in the state of living cells in which the equol production ability is maintained.
    Type: Application
    Filed: June 30, 2015
    Publication date: October 22, 2015
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Yoshikazu ISONO, Hisako MORI, Tomomi UENO, Rieko ENDO, Megumi KUMEMURA, Yasuhiro ABIRU, Shigeto UCHIYAMA
  • Publication number: 20150272946
    Abstract: The present invention relates to a prophylactic and/or therapeutic agent for behavioral and psychological symptoms associated with neurodegenerative disease or impulsive symptoms associated with mental disease, which contains 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof as an active ingredient.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 1, 2015
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD
    Inventors: Shinji Sato, Kenji Maeda, Dai Ishikawa, Mai Nakamura
  • Patent number: 9145404
    Abstract: The present invention provides a tetomilast crystal that is industrially easily produced in a large volume. (1) a tetomilast hydrate crystal having a power X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 2; (2) an anhydrous tetomilast type A crystal having a powder X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 4; (3) an anhydrous tetomilast type C crystal having a powder X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIG. 8; (4) a tetomilast acetonitrile solvate crystal having a powder X-ray diffraction spectrum that is substantially the same as the powder X-ray diffraction spectrum shown in FIGS. 10; and (5) a mixture consisting of the above anhydrous tetomilast type A crystal and an anhydrous tetomilast type B crystal.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: September 29, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Satoshi Aoki, Kenji Nakaya, Masahiro Sota, Masashi Ishigami
  • Patent number: 9125928
    Abstract: An object of the present invention is to provide an agent for suppressing the formation of skin cells induced by exposure to light such as ultraviolet light. The object is achieved by using a purine nucleic acid for suppressing the formation of abnormal skin cells caused by exposure to light.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: September 8, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Mitsuaki Kawamura, Shigeo Shinohara, Fumiki Harano, Akihiro Aoki, Eri Ueno
  • Patent number: D741476
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: October 20, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Shogo Hiraoka, Hiroshi Aihara, Akifumi Takeuchi, Yuichiro Takada, Takaaki Nakao