Patents Assigned to EA PHARMA CO., LTD.
  • Publication number: 20230201163
    Abstract: An object of the present invention is to provide a therapeutic agent for fatty liver diseases. The above object can be achieved by a therapeutic agent for a fatty liver disease, comprising a compound represented by the following formula (1): or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Applicant: EA PHARMA CO., LTD.
    Inventors: Ayatoshi ANDO, Ippei KAWANISHI, Seiji SHIRAISHI, Harumi TANAKA, Yuki SAITOU
  • Publication number: 20220142958
    Abstract: Provided is a medicinal composition having excellent stability, the medicinal composition comprising 3-{[(2S)-2-amino-2-carboxyethyl]carbamoylamino}-5-chloro-4-methylbenzenesulfonic acid, a pharmaceutically acceptable salt thereof, or a solvate thereof, wherein the medicinal composition has a pH of 8.0 or less.
    Type: Application
    Filed: April 2, 2020
    Publication date: May 12, 2022
    Applicant: EA Pharma Co., Ltd.
    Inventors: Yoshimichi MAKITA, Daisuke KATAOKA, Kazuo KUYAMA, Kenji ASANO, Ryotaro SHIBASAKI, Akiko YAMAMOTO, Hirotaka WAGATSUMA, Atsushi TSURUTA, Toshiyuki TAKANOHASHI
  • Patent number: 11311508
    Abstract: A medicinal composition for preventing or treating secondary hyperparathyroidism under maintenance dialysis, said medicinal composition comprising 3-{[(2S)-2-amino-2-carboxyethyl]carmaboylamino}-5-chloro-4-methylbenzenesulfonic acid or a pharmaceutically acceptable salt thereof, or a solvate of the same which is to be administered by a predefined route in a predefined dosage. According to the present invention, it is possible to provide a prophylactic or therapeutic agent for secondary hyperparathyroidism under maintenance dialysis, said agent showing reduced side effects or no significant accumulation. This medicinal agent allows easy administration management and has a high safety compared with conventional products.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 26, 2022
    Assignee: EA Pharma Co., Ltd.
    Inventors: Daisuke Kataoka, Kazuo Kuyama, Kenji Asano, Hirotaka Wagatsuma, Atsushi Tsuruta, Toshiyuki Takanohashi
  • Publication number: 20220022851
    Abstract: The present invention provides a method for determining the likelihood of colorectal cancer development in a human ulcerative colitis patient, the method including: a measurement step of measuring methylation rates of one or more CpG sites present in specific differentially methylated regions in DNA recovered from a biological sample collected from the human ulcerative colitis patient; and a determination step of determining the likelihood of colorectal cancer development in the human ulcerative colitis patient based on average methylation rates of the differentially methylated regions which are calculated based on the methylation rates measured in the measurement step and a preset reference value or a preset multivariate discrimination expression, in which the reference value is a value for identifying a cancerous ulcerative colitis patient and a non-cancerous ulcerative colitis patient, which is set for the methylation rate of each differentially methylated region, and the multivariate discrimination expres
    Type: Application
    Filed: October 13, 2021
    Publication date: January 27, 2022
    Applicants: Hanumat Co., Ltd., EA Pharma Co., Ltd.
    Inventors: Masato KUSUNOKI, Yuji TOIYAMA, Koji TANAKA, Toshimitsu ARAKI, Akira MITSUI, Kenji TAKEHANA, Tsutomu UMEZAWA
  • Publication number: 20210393159
    Abstract: A medical support system includes a first transmitting antenna attached to a body surface that transmits a first transmitting wave, and a reflector that is present in the body and reflects the first transmitting wave transmitted from the first transmitting antenna. A first receiving antenna attached to the body surface receives the first transmitting wave transmitted from the first transmitting antenna and a reflected wave reflected by the reflector, and a location estimation device estimates the passage of the reflector in the body based on changes in the respective phases of the first transmitting wave received by the first receiving antenna and the reflected wave, at time t and time t+?t.
    Type: Application
    Filed: November 1, 2019
    Publication date: December 23, 2021
    Applicants: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY, EA PHARMA CO., LTD.
    Inventors: Kenichi TAKIZAWA, Fumihide KOJIMA, Hirotoshi ISHIDA, Tsutomu UMEZAWA, Kenji TAKEHANA
  • Publication number: 20210206773
    Abstract: A new agent for the treatment of a corneal epithelium disorder, which acts directly on corneal epithelial cells, is provided. Disclosed is an agent for the treatment of a corneal epithelium disorder, the agent comprising a compound of Formula (1) or a salt thereof as an active ingredient: wherein A is an aromatic ring, a heterocyclic ring, or an aliphatic ring; R2, R3, and R4, which may be identical or different, each independently are, for example, a hydrogen atom, a halogen atom; B is an aromatic ring which may have a substituent, a heterocyclic ring which may have a substituent, or an aliphatic ring which may have a substituent; —X—, —Y—, and —Z—, which may be identical or different, each independently are O—, —NH—, —NR5—, —S—, —SO—, —SO2—, —CH2—, —CR6R7—, or —CO—; and —W— is —NR1—, —O—, or —CR8R9—.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 8, 2021
    Applicant: EA PHARMA CO., LTD.
    Inventors: Tohru MIZUSHIMA, Hiroshi IWATA
  • Publication number: 20200397731
    Abstract: A medicinal composition for preventing or treating secondary hyperparathyroidism under maintenance dialysis, said medicinal composition comprising 3-{[(2S)-2-amino-2-carboxyethyl]carmaboylamino}-5-chloro-4-methylbenzenesulfonic acid or a pharmaceutically acceptable salt thereof, or a solvate of the same which is to be administered by a predefined route in a predefined dosage. According to the present invention, it is possible to provide a prophylactic or therapeutic agent for secondary hyperparathyroidism under maintenance dialysis, said agent showing reduced side effects or no significant accumulation. This medicinal agent allows easy administration management and has a high safety compared with conventional products.
    Type: Application
    Filed: December 19, 2018
    Publication date: December 24, 2020
    Applicant: EA Pharma Co., Ltd.
    Inventors: Daisuke KATAOKA, Kazuo KUYAMA, Kenji ASANO, Hirotaka WAGATSUMA, Atsushi TSURUTA, Toshiyuki TAKANOHASHI
  • Patent number: 10626112
    Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the DESCRIPTION, or a pharmaceutically acceptable salt thereof. The compound has a superior TRPA1 antagonist activity, and can provide a medicament useful for the prophylaxis or treatment of diseases involving TRPA1 antagonist and TRPA1.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: April 21, 2020
    Assignee: EA PHARMA CO., LTD.
    Inventors: Kaori Kobayashi, Tamotsu Suzuki, Tomohiro Fujii, Tatsuya Okuzumi
  • Patent number: 10584116
    Abstract: Compounds of represented by formula (I): wherein each symbol is defined herein and pharmaceutically acceptable salts thereof exhibit TRPA1 antagonist activity and are useful as TRPA1 antagonists and the prophylaxis or treatment of diseases involving TRPA1.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: March 10, 2020
    Assignee: EA Pharma Co., Ltd.
    Inventors: Kaori Kobayashi, Tamotsu Suzuki, Tatsuya Okuzumi
  • Patent number: 10562898
    Abstract: Provided is a compound having ?4 integrin inhibitory action. The compound is a sulfonamide derivative represented by the following formula (I), or pharmaceutically acceptable salt thereof: where R1 to R5, e to h, D, and B represent those as described in the specification.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: February 18, 2020
    Assignee: EA PHARMA CO., LTD.
    Inventors: Munetaka Tokumasu, Masatsugu Noguchi, Mizuki Kawahira, Kana Iwasaki, Nobuhiko Hayakawa, Wataru Miyanaga, Yuki Saitou, Yui Yamaura, Ayatoshi Ando, Atsushi Tsuruta, Misato Noguchi
  • Publication number: 20190352721
    Abstract: The present invention provides a method for determining the likelihood of sporadic colorectal cancer development, the method including: a measurement step of measuring methylation rates of one or more CpG sites present in specific differentially methylated regions, in DNA recovered from a biological sample collected from a human subject; and a determination step of determining the likelihood of sporadic colorectal cancer development in the human subject, based on average methylation rates of the differentially methylated regions which are calculated based on the methylation rates measured and a preset reference value or a preset multivariate discrimination expression, in which the reference value is a value for identifying a sporadic colorectal cancer patient and a non-sporadic colorectal cancer patient, which is set for the average methylation rate of each differentially methylated region, and the multivariate discrimination expression includes, as variables, average methylation rates of one or more differen
    Type: Application
    Filed: September 28, 2017
    Publication date: November 21, 2019
    Applicants: Hanumat Co., Ltd., EA Pharma Co., Ltd.
    Inventors: Masato KUSUNOKI, Yuji TOIYAMA, Akira MITSUI, Kenji TAKEHANA, Tsutomu UMEZAWA
  • Patent number: 10420741
    Abstract: The present invention includes cilastatin or a pharmaceutically acceptable salt thereof as an active component and a suppressant for renal impairment or inner ear disorders, induced via megalin by at least one megalin ligand which is selected from the group consisting of polymyxins, aminoglycoside antibiotics, glycopeptide antibiotics, cisplatin, and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: September 24, 2019
    Assignees: EA Pharma Co., Ltd., Niigata University
    Inventors: Akihiko Saito, Nobumasa Aoki, Yoshihisa Hori, Shoji Kuwahara, Michihiro Hosojima, Hiroshi Iwata, Saori Matsuda
  • Publication number: 20190241970
    Abstract: The present invention provides a method for determining the likelihood of colorectal cancer development in a human ulcerative colitis patient, the method including: a measurement step of measuring methylation rates of one or more CpG sites present in specific differentially methylated regions in DNA recovered from a biological sample collected from the human ulcerative colitis patient; and a determination step of determining the likelihood of colorectal cancer development in the human ulcerative colitis patient based on average methylation rates of the differentially methylated regions which are calculated based on the methylation rates measured in the measurement step and a preset reference value or a preset multivariate discrimination expression, in which the reference value is a value for identifying a cancerous ulcerative colitis patient and a non-cancerous ulcerative colitis patient, which is set for the methylation rate of each differentially methylated region, and the multivariate discrimination expres
    Type: Application
    Filed: July 7, 2017
    Publication date: August 8, 2019
    Applicants: Hanumat Co., Ltd., EA Pharma Co., Ltd.
    Inventors: Masato KUSUNOKI, Yuji TOIYAMA, Koji TANAKA, Toshimitsu ARAKI, Akira MITSUI, Kenji TAKEHANA, Tsutomu UMEZAWA
  • Patent number: 10226400
    Abstract: A multi-cell container includes a bag of substantially flat shape made of flexible film, a partition wall as a separable seal welding opposite inner surfaces of the bag and dividing an inner space of the bag into a plurality of compartments and an inlet-outlet port located at a periphery of the bag so as to be opened to one of the plurality of compartments for introduction and/or discharge of liquid. The partition wall has a horizontal section extending in a direction along the bottom of the bag and a vertical section bent therefrom and extending to the topside of the bag. A first larger volume compartment is formed on one side of the partition wall adjacent the bag bottom and a second smaller volume compartment is formed on the other side of the partition wall. The inlet-outlet port is opened to the first chamber.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: March 12, 2019
    Assignee: EA PHARMA CO., LTD.
    Inventors: Katsumi Kouno, Hidetoshi Sakai, Kaoru Shimizu, Takahide Kawai
  • Publication number: 20190040059
    Abstract: Provided is a compound having ?4 integrin inhibitory action. The compound is a sulfonamide derivative represented by the following formula (I), or pharmaceutically acceptable salt thereof: where R1 to R5, e to h, D, and B represent those as described in the specification.
    Type: Application
    Filed: February 6, 2017
    Publication date: February 7, 2019
    Applicant: EA PHARMA CO., LTD.
    Inventors: Munetaka TOKUMASU, Masatsugu NOGUCHI, Mizuki KAWAHIRA, Kana IWASAKI, Nobuhiko HAYAKAWA, Wataru MIYANAGA, Yuki SAITOU, Yui YAMAURA, Ayatoshi ANDO, Atsushi TSURUTA, Misto NOGUCHI
  • Publication number: 20190023699
    Abstract: Compounds of represented by formula (I): wherein each symbol is defined herein and pharmaceutically acceptable salts thereof exhibit TRPA1 antagonist activity and are useful as TRPA1 antagonists and the prophylaxis or treatment of diseases involving TRPA1.
    Type: Application
    Filed: August 3, 2018
    Publication date: January 24, 2019
    Applicant: EA Pharma Co., Ltd.
    Inventors: Kaori KOBAYASHI, Tamotsu SUZUKI, Tatsuya OKUZUMI
  • Patent number: 10183022
    Abstract: Provided is a pharmaceutical composition for treating ulcerative colitis, comprising a compound represented by a formula (1) or a pharmaceutically acceptable salt thereof, wherein the compound or the pharmaceutically acceptable salt is administered in an amount of 600 mg or more per day to an ulcerative colitis patient.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: January 22, 2019
    Assignee: EA Pharma Co., Ltd.
    Inventors: Shunsuke Kageyama, Yoshiki Goda, Toshihiko Sugiura
  • Patent number: 10166234
    Abstract: The disclosed pharmaceutical preparation comprises a compound represented by the chemical formula (A) or a pharmaceutically acceptable salt thereof, which is dispersed in a matrix consisting of a water-soluble high molecular weight substance; and Crospovidone: The pharmaceutical preparation is excellent in the solubility and the storage stability even if the amount of the compound or the salt included in each individual dosage unit is increased.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 1, 2019
    Assignee: EA Pharma Co., Ltd.
    Inventors: Satoshi Aburatani, Hirokazu Hagio, Hiroyuki Higuchi, Kenichi Ogawa
  • Publication number: 20180271868
    Abstract: The disclosed pharmaceutical preparation comprises a compound represented by the chemical formula (A) or a pharmaceutically acceptable salt thereof, which is dispersed in a matrix consisting of a water-soluble high molecular weight substance; and Crospovidone: The pharmaceutical preparation is excellent in the solubility and the storage stability even if the amount of the compound or the salt included in each individual dosage unit is increased.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Applicant: EA Pharma Co., Ltd.
    Inventors: Satoshi ABURATANI, Hirokazu HAGIO, Hiroyuki HIGUCHI, Kenichi OGAWA
  • Patent number: RE49569
    Abstract: A composition containing a compound represented by General Formula (I) below (see the definition in the specification for the symbols in the formula) or a salt thereof has an excellent CaSR agonistic effect and provides a pharmaceutical agent, a CaSR agonistic agent, a prophylactic or therapeutic agent for a disease that can be ameliorated through CaSR activation as well as seasonings and an agent for imparting kokumi.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: July 4, 2023
    Assignee: EA PHARMA CO., LTD.
    Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi