Patents by Inventor Shinji Matuura

Shinji Matuura 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).

  • Method for producing antibody-drug conjugate
    Patent number: 11945882
    Abstract: Crystals of the compound represented by formula (1), a method for the production thereof, and a method for producing an antibody-drug conjugate using the crystals.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: April 2, 2024
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tatsuya Yamaguchi, Takashi Kouko, Shigeru Noguchi, Yohei Yamane, Fumikatsu Kondo, Takahiro Aoki, Tadahiro Takeda, Kohei Sakanishi, Hitoshi Sato, Tsuyoshi Ueda, Shinji Matuura, Kei Kurahashi, Yutaka Kitagawa, Tatsuya Nakamura
  • METHOD FOR PRODUCING ANTIBODY-DRUG CONJUGATE
    Publication number: 20200385422
    Abstract: Crystals of the compound represented by formula (1), a method for the production thereof, and a method for producing an antibody-drug conjugate using the crystals.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 10, 2020
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tatsuya YAMAGUCHI, Takashi KOUKO, Shigeru NOGUCHI, Yohei YAMANE, Fumikatsu KONDO, Takahiro AOKI, Tadahiro TAKEDA, Kohei SAKANISHI, Hitoshi SATO, Tsuyoshi UEDA, Shinji MATUURA, Kei KURAHASHI, Yutaka KITAGAWA, Tatsuya NAKAMURA
  • Crystal of tricyclic pyrazolopyrimidine derivative
    Patent number: 8815880
    Abstract: To provide a hydrochloride of a tricyclic pyrazolopyrimidine compound inhibiting the effect of HSP90 and a crystal thereof. The present invention provides a hydrochloride of 2-{4-amino-2-[(3-chloro-4-methoxy-5-methylpyridin-2-yl)methyl]-2,7-dihydro-6-thia-1,2,3,5-tetraazabenzo[cd]azulen-8-yl}-N-methylacetamide which inhibits the ATPase activity of HSP90 and which has antitumor activity, a crystal thereof, a medicament comprising the same, an anticancer agent comprising the same, and the like.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: August 26, 2014
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Shinji Matuura, Hisaki Kajino, Tomoyuki Nagai, Keijiro Kobayashi
  • Tricyclic pyrazolopyrimidine derivatives
    Patent number: 8445504
    Abstract: A pyrazolopyrimidine compound represented by formula (1) that inhibits the function of HSP90 as a chaperone protein and that has antitumor activity, a medicament comprising a compound represented by formula (1), a pharmaceutical composition comprising a compound represented by formula (1), and a method for treating cancer using a compound represented by formula (1).
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: May 21, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Hitoshi Ohki, Tooru Okayama, Masahiro Ikeda, Masahiro Ota, Yoshihiro Shibata, Toshiyuki Nakanishi, Yasusi Ueda, Nobuyuki Suzuki, Shinji Matuura
  • TRICYCLIC PYRAZOLOPYRIMIDINE DERIVATIVES
    Publication number: 20120202833
    Abstract: A pyrazolopyrimidine compound represented by formula (1) that inhibits the function of HSP90 as a chaperone protein and that has antitumor activity, a medicament comprising a compound represented by formula (1), a pharmaceutical composition comprising a compound represented by formula (1), and a method for treating cancer using a compound represented by formula (1).
    Type: Application
    Filed: April 20, 2012
    Publication date: August 9, 2012
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hitoshi Ohki, Tooru Okayama, Masahiro Ikeda, Masahiro Ota, Yoshihiro Shibata, Toshiyuki Nakanishi, Yasusi Ueda, Nobuyuki Suzuki, Shinji Matuura
  • Tricyclic pyrazolopyrimidine derivatives
    Patent number: 8236813
    Abstract: A pyrazolopyrimidine compound represented by formula (1) that inhibits the function of HSP90 as a chaperone protein and that has antitumor activity, a medicament comprising a compound represented by formula (1), a pharmaceutical composition comprising a compound represented by formula (1), and a method for treating cancer using a compound represented by formula (1).
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 7, 2012
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Hitoshi Ohki, Tooru Okayama, Masahiro Ikeda, Masahiro Ota, Yoshihiro Shibata, Toshiyuki Nakanishi, Yasusi Ueda, Nobuyuki Suzuki, Shinji Matuura
  • TRICYCLIC PYRAZOLOPYRIMIDINE DERIVATIVES
    Publication number: 20110071170
    Abstract: A pyrazolopyrimidine compound represented by formula (1) that inhibits the function of HSP90 as a chaperone protein and that has antitumor activity, a medicament comprising a compound represented by formula (1), a pharmaceutical composition comprising a compound represented by formula (1), and a method for treating cancer using a compound represented by formula (1).
    Type: Application
    Filed: October 29, 2010
    Publication date: March 24, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hitoshi Ohki, Tooru Okayama, Masahiro Ikeda, Masahiro Ota, Yoshihiro Shibata, Toshiyuki Nakanishi, Yasusi Ueda, Nobuyuki Suzuki, Shinji Matuura