Patents by Inventor Hiroto Kawashima

Hiroto Kawashima 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).

  • Publication number: 20230365706
    Abstract: The present invention provides an antibody or a fragment thereof, which specifically binds to a 6-sulfosialyl Lewis X glycan, where the binding requires fucose, a sulfate group, and a sialic acid that form the 6-sulfosialyl Lewis X glycan.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 16, 2023
    Applicant: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Hiroto KAWASHIMA, Ryuji MATSUMURA
  • Patent number: 7855199
    Abstract: Heterocyclic compounds represented by the formula I and anti-malignant-tumor agents containing the heterocyclic compounds as effective components: wherein X represents nitrogen atom or CH; Y represents C1-C6 alkyl; R1 represents morpholino (which may be substituted with one to four C1-C6 alkyl); and R2 and R3 each represent hydrogen atom or C1-C6 alkyl.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: December 21, 2010
    Assignee: Zenyaku Kogyo Kabushiki Kaisha
    Inventors: Seiichiro Kawashima, Mitsuko Kawashima, legal representative, Hiroto Kawashima, legal representative, Masato Kawashima, legal representative, Toshiyuki Matsuno, Shinichi Yaguchi, Yoshio Tsuchida, Kenichi Saitoh, Tetsuo Watanabe
  • Publication number: 20080287431
    Abstract: Heterocyclic compounds represented by the formula I and anti-malignant-tumor agents containing the heterocyclic compounds as effective components: wherein X represents nitrogen atom or CH; Y represents C1-C6 alkyl; R1 represents morpholino (which may be substituted with one to four C1-C6 alkyl); and R2 and R3 each represent hydrogen atom or C1-C6 alkyl.
    Type: Application
    Filed: March 30, 2005
    Publication date: November 20, 2008
    Applicant: ZENYAKU KOGYO KABUSHIKI KAISHA
    Inventors: Seiichiro Kawashima, Mitsuko Kawashima, Hiroto Kawashima, Masato Kawashima, Toshiyuki Matsuno, Shinichi Yaguchi, Yoshio Tsuchida, Kenichi Saitoh, Tetsuo Watanabe
  • Publication number: 20060211651
    Abstract: A persulfated saccharide compound capable of acting on selectin and chemokine. According to the present invention, there are provided a saccharide compound capable of interacting with L-selectin, P-selectin and chemokine; a pharmaceutical composition; and an agent for treating or preventing a disease of which sideration is associated with biological events mediated by any of L-selectin, P-selectin and chemokine.
    Type: Application
    Filed: January 29, 2003
    Publication date: September 21, 2006
    Applicant: Taisho Pharmaceutical Co., Ltd.
    Inventors: Masayuki Miyasaka, Hiroto Kawashima