Patents by Inventor Shunuske Iwamoto

Shunuske Iwamoto 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).

  • 3-ethylidenehydrazino substituted heterocyclic compounds as thrombopoietin receptor activators
    Patent number: 8552031
    Abstract: A compound represented by the formula (1): wherein A, B, R1, L1, R2, L2, L3, Y, L4, R3 and X are the same as defined in the description, a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: October 8, 2013
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Katsuaki Miyaji, Yukihiro Shigeta, Satoshi Nakano, Shunuske Iwamoto, Yutaka Hirokawa, Hirofumi Ota, Kazufumi Yanagihara, Shingo Owada, Norihisa Ishiwata
  • 3-ETHYLIDENEHYDRAZINO SUBSTITUTED HETEROCYCLIC COMPOUNDS AS THROMBOPOIETIN RECEPTOR ACTIVATORS
    Publication number: 20090281317
    Abstract: A compound represented by the formula (1): wherein A, B, R1, L1, R2, L2, L3, Y, L4, R3 and X are the same as defined in the description, a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.
    Type: Application
    Filed: December 7, 2005
    Publication date: November 12, 2009
    Applicant: NISSAN CHEMICAL INDUSTRIES LTD.
    Inventors: Katsuaki Miyaji, Yukihiro Shigeta, Satoshi Nakano, Shunuske Iwamoto, Yutaka Hirokawa, Hirofumi Ota, Kazufumi Yanagihara, Shingo Owada, Norihisa Ishiwata