Patents by Inventor Ryota Shigemi

Ryota Shigemi 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).

  • Pyridine-3-carboxyamide derivative
    Patent number: 8575153
    Abstract: To provide a novel JAK3 inhibitor that is useful as a preventive and/or therapeutic agent for rejection and graft versus host disease (GvHD) in organ transplantation, rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, Sjögren syndrome, Behcet's disease, type I diabetes mellitus, autoimmune thyroiditis, idiopathic thrombocytopenic purpura, ulcerative colitis, Crohn's disease, asthma, allergic rhinitis, atopic dermatitis, contact dermatitis, urticaria, eczema, psoriasis, allergic conjunctivitis, uveitis, cancer, leukemia and the like. The pyridine-3-carboxyamide derivative represented by the general formula (1): or its salt or a solvate thereof.
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: November 5, 2013
    Assignee: Kowa Company, Ltd.
    Inventors: Takahiro Kitamura, Hajime Yamada, Shunji Takemura, Masanori Ashikawa, Tetsuya Ishikawa, Yoshiharu Miyake, Akiyasu Kouketsu, Seiichi Sato, Hiroyuki Ishiwata, Yuichiro Tabunoki, Manabu Shibasaki, Takatoshi Ozawa, Ryota Shigemi, Takeshi Doi, Masahiro Tamura
  • PYRIDINE-3-CARBOXYAMIDE DERIVATIVE
    Publication number: 20110237590
    Abstract: To provide a novel JAK3 inhibitor that is useful as a preventive and/or therapeutic agent for rejection and graft versus host disease (GvHD) in organ transplantation, rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, Sjögren syndrome, Behcet's disease, type I diabetes mellitus, autoimmune thyroiditis, idiopathic thrombocytopenic purpura, ulcerative colitis, Crohn's disease, asthma, allergic rhinitis, atopic dermatitis, contact dermatitis, urticaria, eczema, psoriasis, allergic conjunctivitis, uveitis, cancer, leukemia and the like. The pyridine-3-carboxyamide derivative represented by the general formula (1): or its salt or a solvate thereof.
    Type: Application
    Filed: November 27, 2009
    Publication date: September 29, 2011
    Inventors: Takahiro Kitamura, Hajime Yamada, Shunji Takemura, Masanori Ashikawa, Tetsuya Ishikawa, Yoshiharu Miyake, Akiyasu Kouketsu, Seiichi Sato, Hiroyuki Ishiwata, Yuichiro Tabunoki, Manabu Shibasaki, Takatoshi Ozawa, Ryota Shigemi, Takeshi Doi, Masahiro Tamura