Patents by Inventor Yuji Nagawa

Yuji Nagawa 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).

  • Antiepileptics
    Patent number: 4421745
    Abstract: By using an antiepileptic, which comprises an effective amount of a peptide of the formula: ##STR1## or a physiologically acceptable salt thereof, epilepsy can be improved or cured very effectively without causing side effects.
    Type: Grant
    Filed: September 10, 1982
    Date of Patent: December 20, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kazutoyo Inanaga, Yuji Nagawa
  • Peptides
    Patent number: 4100152
    Abstract: A novel peptide of the formula: ##STR1## wherein A is hydrogen, alkyl, aralkyl, alkoxyalkyl, hydroxyalkyl or alkoxy; R is ##STR2## X is --S-- or --(CH.sub.2).sub.n -- where n is 1 or 2 has a weaker TRH releasing activity than TRH and a stronger anaesthesia-antagonistic activity, spontaneous movement-stimulant activity or dopamine-potentiating activity than TRH.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: July 11, 1978
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Masahiko Fujino, Osamu Nishimura, Yuji Nagawa, Naohisa Fukuda