Patents Assigned to Meiji Seika Pharma Co., Ltd.
  • Publication number: 20240092890
    Abstract: A bispecific antibody including a first domain which specifically binds to a mutant calreticulin protein and a second domain which specifically binds to a CD3 antigen. A pharmaceutical composition including the bispecific antibody or a functional fragment thereof. A diagnostic method for a myeloproliferative neoplasm, including detecting a polypeptide in a biological sample with the bispecific antibody.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 21, 2024
    Applicants: JUNTENDO EDUCATIONAL FOUNDATION, MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Norio KOMATSU, Marito ARAKI, Yoshihiko KIHARA, Yoji ISHIDA, Koichi KITAMURA, Takayoshi FUKUSHIMA, Kaori YASUI
  • Publication number: 20230331724
    Abstract: A process for preparing a diazabicyclooctane compound represented by the following formula (I): wherein A represents RcO—; B represents NH or NC1-6 alkyl; C represents a benzyl group; Rc represents a C1-6 alkyl group; A is substituted with one substituent Fn1, wherein Fn1 represents an azetidine group; the process including: (a) silylating the compound represented by the following formula (IV-c): wherein in the formula (IV-c), OBn represents benzyloxy, and (b) carrying out an intramolecular urea formation reaction.
    Type: Application
    Filed: May 18, 2023
    Publication date: October 19, 2023
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takao ABE, Takeshi FURUUCHI, Yoshiaki SAKAMAKI, Seiichi INAMURA, Akihiro MORINAKA
  • Patent number: 11731971
    Abstract: A process for preparing a diazabicyclooctane compound represented by the following formula (I): wherein A represents RcO—; B represents NH or NC1-6 alkyl; C represents a benzyl group; Rc represents a C1-6 alkyl group; A is substituted with one substituent Fn1, wherein Fn1 represents an azetidine group; the process including: (a) silylating the compound represented by the following formula (IV-c): wherein in the formula (IV-c), OBn represents benzyloxy, and (b) carrying out an intramolecular urea formation reaction.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: August 22, 2023
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takao Abe, Takeshi Furuuchi, Yoshiaki Sakamaki
  • Publication number: 20230183347
    Abstract: A novel use of agonist to PD-1 is developed. Provided is a pharmaceutical composition for treating or preventing Th2-mediated diseases, the composition comprising an effective amount of a PD-1 agonist.
    Type: Application
    Filed: May 24, 2021
    Publication date: June 15, 2023
    Applicants: Foundation for Biomedical Research and Innovation at Kobe, National Institutes of Biomedical Innovation, Health and Nutrition, Meiji Seika Pharma Co., Ltd.
    Inventors: Tasuku Honjo, Akio Ohta, Masaki Tajima, Haruhiko Kamada, Satoshi Nagata, Kensuke Suzuki, Yuya Oshiro, Yosuke Tokumaru
  • Patent number: 11512091
    Abstract: Provided are crystals of 1-((2-(3,6-diazabicyclo[3.1.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: November 29, 2022
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Ko Kumura, Keiji Tamura, Takashi Watanabe, Michiko Takahashi
  • Publication number: 20220348578
    Abstract: A crystalline form I of a compound represented by Formula (VII-1): having characteristic peaks appearing at lattice spacing (d) of 7.34, 5.66, 5.53, 5.30, 5.02, 4.66, 4.37, 4.28, 4.06, 3.68, 3.62, 3.47, 3.36, 3.30, 3.16, 3.11, 3.03, 2.99 and 2.50 ? in the powder X-ray diffraction pattern.
    Type: Application
    Filed: July 7, 2022
    Publication date: November 3, 2022
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takao ABE, Takeshi FURUUCHI, Yoshiaki SAKAMAKI, Nakako MITSUHASHI, Yumiko SAITO
  • Publication number: 20220312766
    Abstract: A control agent comprising, as an active ingredient, a specific quinoline derivative compound such as 8-fluoro-2,3-dimethyl-6-(1,1-dimethylethyl)-4-(methylcarbonyl)oxyquinoline, azoxystrobin, picoxystrobin, pyraclostrobin, kresoxim-methyl, trifloxystrobin, metominostrobin, orysastrobin, famoxadone, fluoxastrobin, pyribencarb, cyazofamid, amisulbrom, flutolanil, mepronil, isofetamid, fluopyram, carboxin, thifluzamide, fluxapyroxad, furametpyr, penflufen, penthiopyrad, boscalid, diflumetorim, fluazinam, ferimzone, fenpyroximate, or an acid addition salt of any of these compounds shows an excellent controlling effect on Mesostigmata mites.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 6, 2022
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Satoshi Nakamura, Takehiko Inoue, Haruka Takeuchi
  • Patent number: 11414417
    Abstract: A crystalline form I of a compound represented by Formula (VII-1): having characteristic peaks appearing at lattice spacing (d) of 7.34, 5.66, 5.53, 5.30, 5.02, 4.66, 4.37, 4.28, 4.06, 3.68, 3.62, 3.47, 3.36, 3.30, 3.16, 3.11, 3.03, 2.99 and 2.50 ? in the powder X-ray diffraction pattern.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: August 16, 2022
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takao Abe, Takeshi Furuuchi, Yoshiaki Sakamaki, Nakako Mitsuhashi, Yumiko Saito
  • Publication number: 20220098290
    Abstract: A diagnostic, preventive, or therapeutic agent may be used for a myeloproliferative neoplasm. An antibody or a functional fragment thereof that binds to a cleaved mutant CALR protein, may include an antigen-recognition site in (a) a polypeptide chain having an amino acid sequence set forth in SEQ ID NO: 1 or (b) a polypeptide chain having an amino acid sequence having deletion, substitution, or addition of one to several amino acids in SEQ ID NO: 1; and a diagnostic, preventive, or therapeutic agent for a myeloproliferative neoplasm containing the antibody.
    Type: Application
    Filed: February 28, 2020
    Publication date: March 31, 2022
    Applicants: JUNTENDO EDUCATIONAL FOUNDATION, MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Marito ARAKI, Yoshihiko KIHARA, Norio KOMATSU
  • Patent number: 11267787
    Abstract: [Problem] The present invention provides a method for producing and isolating a target quinolone derivative using general industrial facilities with high purity. [Solving means] The present invention also provides a method for producing a quinolone derivative, the method including reacting a ketone with an anthranilic acid derivative using an aluminum halide and removing the aluminum halide under basic conditions.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 8, 2022
    Assignees: NIPPON KAYAKU CO., LTD, MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Akinori Morikawa, Hirokazu Kuroda, Kazumi Yamamoto, Nozomu Nakanishi
  • Publication number: 20220046921
    Abstract: A Mesostigmata mite control composition comprising, as active ingredients: a specific quinoline derivative compound such as 8-fluoro-2,3-dimethyl-6-(1,1-dimethylethyl)-4-(methylcarbonyl)oxyquinoline; and at least one of other pest control agents exhibits an excellent control effect on Mesostigmata mites.
    Type: Application
    Filed: September 13, 2019
    Publication date: February 17, 2022
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Satoshi NAKAMURA, Takehiko INOUE
  • Publication number: 20210371419
    Abstract: A process for preparing a diazabicyclooctane compound represented by the following formula (I): wherein A represents RcO—; B represents NH or NC1-6 alkyl; C represents a benzyl group; Rc represents a C1-6 alkyl group; A is substituted with one substituent Fn1, wherein Fn1 represents an azetidine group; the process including: (a) silylating the compound represented by the following formula (IV-c): wherein in the formula (IV-c), OBn represents benzyloxy, and (b) carrying out an intramolecular urea formation reaction.
    Type: Application
    Filed: August 11, 2021
    Publication date: December 2, 2021
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takao ABE, Takeshi FURUUCHI, Yoshiaki SAKAMAKI, Seiichi INAMURA, Akihiro MORINAKA
  • Publication number: 20210345612
    Abstract: An aqueous suspension-form pesticidal composition comprising: at least one pesticidal active ingredient selected from the group consisting of amine derivatives represented by the following general formula (1) and salts thereof; a highly-purified and partially-desulfonated lignosulfonate; and an aqueous dispersion medium [In the general formula (1), Ar represents a pyridyl group optionally substituted with a halogen atom or the like, or a pyrimidyl group optionally substituted with a halogen atom or the like; R1 represents a hydrogen atom or a C1-6 alkyl group; Y represents a hydrogen atom or the like; and R2 represents a C1-6 alkyl group substituted with a halogen].
    Type: Application
    Filed: September 27, 2019
    Publication date: November 11, 2021
    Applicant: MEIJI SEIKA PHARMA CO., LTD
    Inventors: Kazuko OCHIAI, Tomohiko OKUDA, Atsushi SATO
  • Publication number: 20210315892
    Abstract: A therapeutic agent for treating at least one disease selected from the group consisting of inflammatory diseases, autoimmune diseases, fibrotic diseases, and cancer diseases, comprising: at least one selected from the group consisting of a compound represented by the following general formula (1) and pharmacologically acceptable salts thereof as an active ingredient. [In the formula (1), R1 and R2 may be the same or different and each represents a hydrogen atom, a halogen atom, a hydroxyl group, a carboxy group, a cyano group, an optionally substituted C1-6 alkyl group et al.; R3 represents a hydrogen atom; R4 represents an optionally substituted 4- to 10-membered monocyclic heterocyclic group containing 1 to 4 heteroatoms selected from an oxygen atom, a nitrogen atom, and a sulfur atom; X represents a group represented by the following formula: —CH2—, —CH2—CH2—, —CH2—CH2—CH2—, or —CH2—O—CH2—; and Z represents a hydrogen atom or a hydroxyl group.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 14, 2021
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Natsuki ISHIDA, Yuji TABATA, Takashi MATSUHIRA, Keiji TAMURA, Takeru YAMAKAWA, Satoshi ISSHIKI, Yoshinari WAKIYAMA, Shohei OUCHI
  • Patent number: 11135234
    Abstract: A compound represented by the following general formula (I) or a pharmaceutically acceptable salt or solvate thereof, and a pharmaceutical composition thereof, and the use thereof to prevent or treat infectious diseases and a method to prevent or treat infectious diseases using those regimen are disclosed. The compound represented by formula (I) has an antibacterial activity against both gram-positive and gram-negative bacteria, and is useful in the prevention or treatment of infectious diseases caused by these bacteria.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: October 5, 2021
    Assignees: MICROBIAL CHEMISTRY RESEARCH FOUNDATION, MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Yoshiaki Takahashi, Eijiro Umemura, Takashi Ida, Masayuki Igarashi
  • Publication number: 20210290702
    Abstract: It has been found that a bacteriophage specified by accession number NITE BP-693 and a bacteriophage specified by accession number NITE BP-694 have lytic activity against Staphylococcus hyicus, Staphylococcus chromogenes, and the like, which has made it possible to provide a composition for lysing these staphylococci, a composition for treating or preventing a disease caused by these staphylococci, and the like.
    Type: Application
    Filed: August 9, 2019
    Publication date: September 23, 2021
    Applicants: MEIJI SEIKA PHARMA CO., LTD., INCORPORATED EDUCATIONAL INSTITUTION RAKUNO GAKUEN
    Inventors: Hidetomo IWANO, Hidetoshi HIGUCHI, Yutaka TAMURA, Masaru USUI, Jumpei FUJIKI
  • Patent number: 11117896
    Abstract: A process for preparing a diazabicyclooctane compound represented by the following formula (I): wherein A represents RcO—; B represents NH or NC1-6 alkyl; C represents a benzyl group; Rc represents a C1-6 alkyl group; A is substituted with one substituent Fn1, wherein Fn1 represents an azetidine group; the process including: (a) silylating the compound represented by the following formula (IV-c): wherein in the formula (IV-c), OBn represents benzyloxy, and (b) carrying out an intramolecular urea formation reaction.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: September 14, 2021
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takao Abe, Takeshi Furuuchi, Yoshiaki Sakamaki, Seiichi Inamura, Akihiro Morinaka
  • Patent number: 11117895
    Abstract: A process for producing crystals of a compound represented by the following formula (I): by crystallizing the compound from an aqueous solution containing the compound and an inorganic salt, such as sodium chloride. Such crystals can be subjected to lyophilization to provide a lyophilized composition having a desirable storage stability.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: September 14, 2021
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Takaya Ogawa, Takuya Yokoyama, Shusuke Furuyama, Masato Ichiki, Kenichi Fushihara
  • Publication number: 20210219552
    Abstract: Disclosed is a wettable agrochemical composition comprising an agrochemical active component (A), which is a compound represented by the following formula (I) or an agriculturally and horticulturally acceptable acid addition salt thereof, one or more additives, and one or more surfactants, the wettable agrochemical composition being solid at 30° C. This wettable agrochemical composition has excellent physical properties of the formulation and storage stability.
    Type: Application
    Filed: June 7, 2019
    Publication date: July 22, 2021
    Applicants: NIPPON KAYAKU CO., LTD., MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Yoshinori MURAMATSU, Hidetoshi SHIRAKURA, Atsushi SATO, Mitsuyuki YABUZAKI, Shigeru UENO
  • Publication number: 20210120817
    Abstract: A plant disease control agent which contains a compound represented by formula (1) as an active ingredient.
    Type: Application
    Filed: March 16, 2018
    Publication date: April 29, 2021
    Applicant: Meiji Seika Pharma Co., Ltd.
    Inventors: Shinzo Kagabu, Kentaro Yamamoto, Ikuya Ohno, Hirotaka Nagata, Yukiko Takiguchi, Kenji Umemura, Masaaki Mitomi