Patents by Inventor Reiko Takarada

Reiko Takarada 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).

  • Patent number: 7557113
    Abstract: A compound having GSK-3 inhibitory activity. A1 and A3 are a single bond, an aliphatic hydrocarbon group; A2 and A4 are a single bond, CO, COO, CONR, O, OCO, NR, NRCO, NRCOO, etc.; G1 is a single bond, an aliphatic hydrocarbon, aromatic hydrocarbon, heterocyclic; G2 is H, an aliphatic hydrocarbon, an alicyclic hydrocarbon, an aromatic hydrocarbon, heterocyclic; A5 is a single bond, NR; R2 is H, halogen, an aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon, heterocyclic; A6 is a single bond, NR, CO, NRCO, NRCONR, CONR, COO, O, etc.; R3 is H, halogen, nitro, saturated aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon, heterocyclic; and R3 may be a trimethylsilyl, formyl, acyl, carboxyl, alkoxylcarbonyl, carbamoyl, alkylcarbamoyl, or cyano group when A6 is CR?CR or C?C, wherein R is H or an lower aliphatic hydrocarbon group.
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: July 7, 2009
    Assignee: Teijin Pharma Limited
    Inventors: Takaharu Tsutsumi, Satoshi Sugiura, Masahiro Koga, Yoshiyuki Matsumoto, Toshihiro Ishii, Akira Nakano, Gen Unoki, Yuri Sakai, Reiko Takarada, Hiroko Ogawa
  • Publication number: 20060160831
    Abstract: A compound having GSK-3 inhibitory activity. A1 and A3 are a single bond, an aliphatic hydrocarbon group; A2 and A4 are a single bond, CO, COO, CONR, O, OCO, NR, NRCO, NRCOO, etc.; G1 is a single bond, an aliphatic hydrocarbon, aromatic hydrocarbon, heterocyclic; G2 is H, an aliphatic hydrocarbon, an alicyclic hydrocarbon, an aromatic hydrocarbon, heterocyclic; A5 is a single bond, NR; R2 is H, halogen, an aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon, heterocyclic; A6 is a single bond, NR, CO, NRCO, NRCONR, CONR, COO, O, etc.; R3 is H, halogen, nitro, saturated aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon, heterocyclic; and R3 may be a trimethylsilyl, formyl, acyl, carboxyl, alkoxylcarbonyl, carbamoyl, alkylcarbamoyl, or cyano group when A6 is CR?CR or C?C, wherein R is H or an lower aliphatic hydrocarbon group.
    Type: Application
    Filed: August 26, 2004
    Publication date: July 20, 2006
    Applicant: TEIJIN PHARMA LIMITED
    Inventors: Takaharu Tsutsumi, Satoshi Sugiura, Masahiro Koga, Yoshiyuki Matsumoto, Toshihiro Ishii, Akira Nakano, Gen Unoki, Yuri Sakai, Reiko Takarada, Hiroko Ogawa
  • Publication number: 20050153992
    Abstract: A compound having GSK-3 inhibiting function. A1 and A3 are a single bond, an aliphatic hydrocarbon group; A2 and A4 are a single bond, CO, COO, CONR, O, OCO, NR, NRCO, NRCOO, etc.; G1 is a single bond, an aliphatic hydrocarbon, aromatic hydrocarbon, heterocyclic; G2 is a hydrogen atom, an aliphatic hydrocarbon, an alicyclic hydrocarbon, an aromatic hydrocarbon, heterocyclic; A5 is a single bond, NR; R2 is H, halogen, an aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon, heterocyclic; A6 is a single bond, NR, CO, NRCO, NRCONR, CONR, COO, O, etc.; R3 is H, halogen, nitro, saturated aliphatic hydrocarbon, alicyclic hydrocarbon, aromatic hydrocarbon, heterocyclic; and when A6 is CR?CR or C?C; R3 may be a trimethylsilyl, formyl, acyl, carboxyl, alkoxylcarbonyl, carbamoyl, alkylcarbamoyl or cyano group; and R is H or an aliphatic hydrocarbon group.
    Type: Application
    Filed: August 26, 2004
    Publication date: July 14, 2005
    Applicant: TEIJIN PHARMA LIMITED
    Inventors: Takaharu Tsutsumi, Satoshi Sugiura, Masahiro Koga, Yoshiyuki Matsumoto, Toshihiro Ishii, Akira Nakano, Gen Unoki, Yuri Sakai, Reiko Takarada, Hiroko Ogawa
  • Patent number: 6706745
    Abstract: The present invention relates to a biphenylamidine derivative of the general formula (1): or a pharmaceutically acceptable salt thereof, which is a novel compound functioning as a clinically applicable FXa inhibitor.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: March 16, 2004
    Assignee: Teijin Limited
    Inventors: Takayuki Hara, Tomohisa Nakada, Yasunobu Takano, Satoshi Sugiura, Takaharu Tsutsumi, Yoshiharu Takazawa, Reiko Takarada
  • Patent number: 6348478
    Abstract: The present invention is a biphenylamidine derivative represented by the formula (1) or a pharmaceutically acceptable derivative thereof: and the biphenylamidine derivative or the pharmaceutically acceptable derivative thereof is a novel compound which can be used as a clinically applicable FXa inhibitor.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: February 19, 2002
    Assignee: Teijin Limited
    Inventors: Takayuki Hara, Tomohisa Nakada, Yasunobu Takano, Satoshi Sugiura, Takaharu Tsutsumi, Yoshiharu Takazawa, Reiko Takarada