Patents by Inventor Hisashi Hayashida

Hisashi Hayashida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polycyclic acid compounds useful as CRTH2 antagonists and antiallergic agents
    Patent number: 8273745
    Abstract: The present invention relates to a novel compound or a salt thereof, which is useful as a CRTH2 antagonist, especially as a medicament for disorder that participates eosinophil, for example, allergic disorder such as asthma, allergic rhinitis, allergic dermatitis, conjunctival inflammation, hives, eosinophilic bronchitis, food allergy, inflammation of the nasal sinuses, multiple sclerosis, angiitis, or chronic obstructive pulmonary disease (COPD) and the like.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: September 25, 2012
    Assignee: Astellas Pharma Inc
    Inventors: Tadashi Terasaka, Tatsuya Zenkoh, Hisashi Hayashida, Hiroshi Matsuda, Junji Sato, Yoshimasa Imamura, Hiroshi Nagata, Norio Seki, Yoshiyuki Tenda, Mamoru Tasaki, Masahiro Takeda, Seiichiro Tabuchi, Minoru Yasuda, Kazunori Tsubaki
  • POLYCYCLIC ACID COMPOUNDS USEFUL AS CRTH2 ANTAGONISTS AND ANTIALLERGIC AGENTS
    Publication number: 20100009991
    Abstract: The present invention relates to a novel compound or a salt thereof, which is useful as a CRTH2 antagonist, especially as a medicament for disorder that participates eosinophil, for example, allergic disorder such as asthma, allergic rhinitis, allergic dermatitis, conjunctival inflammation, hives, eosinophilic bronchitis, food allergy, inflammation of the nasal sinuses, multiple sclerosis, angiitis, or chronic obstructive pulmonary disease (COPD) and the like.
    Type: Application
    Filed: December 13, 2007
    Publication date: January 14, 2010
    Applicant: Astellas Pharma Inc.
    Inventors: Tadashi Terasaka, Tatsuya Zenkoh, Hisashi Hayashida, Hiroshi Matsuda, Junji Sato, Yoshimasa Imamura, Hiroshi Nagata, Norio Seki, Yoshiyuki Tenda, Mamoru Tasaki, Masahiro Takeda, Seiichiro Tabuchi, Minoru Yasuda, Kazunori Tsubaki
  • Benzimidazole compounds
    Publication number: 20050014812
    Abstract: The present invention provides novel benzimidazole compounds of the formula (I): wherein each symbol is as defined in the specification, salts thereof and prodrugs thereof, which are useful in treating, for example, the diseases curable through decrease in blood sugar level.
    Type: Application
    Filed: June 4, 2004
    Publication date: January 20, 2005
    Applicants: Fujisawa Pharmaceutical Co., Ltd., Daicel Chemical Industries, Ltd.
    Inventors: Hisashi Hayashida, Keiko Hatanaka, Takeshi Kato, Yoshiyuki Kido, Masaki Tomishima, Hiroshi Kayakiri, Ichiro Takase, Takahiro Hiramura
  • N-coating heterocyclic compounds
    Publication number: 20030176454
    Abstract: A compound of the formula (I): wherein A is a hydrogen atom, an optionally substituted, unsaturated, N-containing heterocyclic group or a group of the formula (a): wherein R is an optionally substituted aryl group or an optionally substituted heterocyclic group; M is —(CH2)n-, —(CH2)n-O—(CH2)m-or —(CH2)n-NH—(CH2)m-, wherein n and m are independently 0, 1 or 2; Q is an optionally substituted cycloalkylene group, an optionally substituted arylene group or an optionally substituted divalent heterocyclic group; and the moiety of the formula (b): is an optionally substituted, unsaturated, mono-, di-, tri- or tetra-cyclic, N-containing heterocyclic group which may contain additional hetero atom(s) selected from the group consisting of nitrogen, oxygen and sulfur atoms as the ring member(s), its prodrug or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 1, 2002
    Publication date: September 18, 2003
    Inventors: Akira Yamada, Glen Spears, Hisashi Hayashida, Masaki Tomishima, Kiyotaka Ito, Masashi Imanishi