Patents by Inventor Yuji ONIZAWA

Yuji ONIZAWA 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).

  • Pyrrolidin-3-ylacetic acid derivative
    Patent number: 8476301
    Abstract: A compound represented by formula (1) or a pharmaceutically acceptable salt thereof has an inhibitory effect in the fractalkine-CX3CR1 pathway: wherein R represents a C1-6 alkyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group A, a C3-8 cycloalkyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group A, or a C3-8 cycloalkenyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group A, X represents a C1-6 alkyl group, Y and Z are the same or different from each other and each represents a halogen atom or a C1-6 alkyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group B, n represents 0 or 1, Substituent Group A consists of halogen atoms, and Substituent Group B consists of halogen atoms.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: July 2, 2013
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Ichiro Yoshida, Tadashi Okabe, Yasunobu Matsumoto, Nobuhisa Watanabe, Yoshiaki Ohashi, Yuji Onizawa, Hitoshi Harada
  • PYRROLIDIN-3-YLACETIC ACID DERIVATIVE
    Publication number: 20130065925
    Abstract: A compound represented by formula (1) or a pharmaceutically acceptable salt thereof has an inhibitory effect in the fractalkine-CX3CR1 pathway: wherein R represents a C1-6 alkyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group A, a C3-8 cycloalkyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group A, or a C3-8 cycloalkenyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group A, X represents a C1-6 alkyl group, Y and Z are the same or different from each other and each represents a halogen atom or a C1-6 alkyl group unsubstituted or having 1 to 3 substituents selected from Substituent Group B, n represents 0 or 1, Substituent Group A consists of halogen atoms, and Substituent Group B consists of halogen atoms.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 14, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventors: Ichiro YOSHIDA, Tadashi OKABE, Yasunobu MATSUMOTO, Nobuhisa WATANABE, Yuji ONIZAWA, Yoshiaki OHASHI, Hitoshi HARADA