Patents by Inventor Masahiro Arimoto

Masahiro Arimoto 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).

  • Cephalosporin derivatives
    Patent number: 4603198
    Abstract: Novel cephalosporin derivatives and physiologically acceptable salts thereof which are useful as antibacterial agents against gram-negative and gram-positive bacteria, and a process for preparing these compounds are disclosed.
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: July 29, 1986
    Assignee: Daiichi Seiyaku Co., Ltd.
    Inventors: Masahiro Arimoto, Hiroaki Tagawa, Minoru Furukawa
  • 1,2 Disubstituted benzimidazole derivatives
    Patent number: 3963727
    Abstract: A compound having the formula: ##SPC1##Wherein R represents a hydrogen atom or a lower alkyl group, and X represents a halogen atom; or the acid-addition salt thereof having a distinctive neuroleptic activity.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: June 15, 1976
    Assignee: Daiichi Seiyaku Co., Ltd.
    Inventors: Katsujiro Ueno, Makoto Sato, Masahiro Arimoto, Hiroshi Kojima, Terukiyo Yamasaki, Takeo Sakurai