Patents by Inventor Takamitsu Kandou

Takamitsu Kandou 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).

  • 4-[5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine-2-carbonitrile crystalline polymorph and production method therefor
    Patent number: 9199970
    Abstract: To provide crystal polymorphs of 4-[5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine-2-carbonitrile, which is a useful pharmaceutical, and a production method therefor. Through purification of a corresponding salt, recrystallization, or storage under humidified conditions, three different crystal forms; i.e., crystalline polymorphs of 4-[5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine-2-carbonitrile are produced.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: December 1, 2015
    Assignee: FUJIYAKUHIN CO., LTD.
    Inventors: Yoshiyuki Iwabuchi, Sachiho Miyata, Takahiro Sato, Junichiro Uda, Takamitsu Kandou, Tadashi Inoue, Hiroyuki Nakano
  • 4-[5-(PYRIDIN-4-YL)-1H-1,2,4-TRIAZOL-3-YL]PYRIDINE-2-CARBONITRILE CRYSTALLINE POLYMORPH AND PRODUCTION METHOD THEREFOR
    Publication number: 20150126558
    Abstract: To provide crystal polymorphs of 4-[5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine-2-carbonitrile, which is a useful pharmaceutical, and a production method therefor. Through purification of a corresponding salt, recrystallization, or storage under humidified conditions, three different crystal forms; i.e., crystalline polymorphs of 4-[5-(pyridin-4-yl)-1H-1,2,4-triazol-3-yl]pyridine-2-carbonitrile are produced.
    Type: Application
    Filed: July 24, 2013
    Publication date: May 7, 2015
    Applicant: FUJIYAKUHIN CO., LTD.
    Inventors: Yoshiyuki Iwabuchi, Sachiho Miyata, Takahiro Sato, Junichiro Uda, Takamitsu Kandou, Tadashi Inoue, Hiroyuki Nakano