Patents by Inventor Setsuya Sasho

Setsuya Sasho 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).

  • Publication number: 20150119585
    Abstract: The present invention provides a sterol derivative or a pharmaceutically acceptable salt thereof having an activity to promote proliferation of neural stem cells. Namely, the present invention provides a sterol derivative represented by the general formula (I) (wherein Y represents optionally substituted lower alkyl or the like; Xa and Xb are the same or different, and represent a bond or the like; R1, R2, R3, R4, R7 and R8 are the same or different, and represent a hydrogen atom or the like; R5 and R6 are the same or different, and represent a hydrogen atom or the like; R9 represents a hydrogen atom or the like; R10 and R11 together represent a bond or the like; and R12 represents a hydrogen atom or the like) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 30, 2014
    Publication date: April 30, 2015
    Applicant: KYOWA HAKKO KIRIN CO., LTD
    Inventors: Kenji UCHIDA, Tsutomu AGATSUMA, Kazuhiro HIBINO, Setsuya SASHO, Kyoichiro IIDA, Hideyuki ONODERA
  • Patent number: 8952003
    Abstract: The present invention provides a sterol derivative or a pharmaceutically acceptable salt thereof having an activity to promote proliferation of neural stem cells. Namely, the present invention provides a sterol derivative represented by the general formula (I) (wherein Y represents optionally substituted lower alkyl or the like; Xa and Xb are the same or different, and represent a bond or the like; R1, R2, R3, R4, R7 and R8 are the same or different, and represent a hydrogen atom or the like; R5 and R6 are the same or different, and represent a hydrogen atom or the like; R9 represents a hydrogen atom or the like; R10 and R11 together represent a bond or the like; and R12 represents a hydrogen atom or the like) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: February 10, 2015
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Kenji Uchida, Tsutomu Agatsuma, Kazuhiro Hibino, Setsuya Sasho, Kyoichiro Iida, Hideyuki Onodera
  • Publication number: 20120172348
    Abstract: The present invention provides a sterol derivative or a pharmaceutically acceptable salt thereof having an activity to promote proliferation of neural stem cells. Namely, the present invention provides a sterol derivative represented by the general formula (I) (wherein Y represents optionally substituted lower alkyl or the like; Xa and Xb are the same or different, and represent a bond or the like; R1, R2, R3, R4, R7 and R8 are the same or different, and represent a hydrogen atom or the like; R5 and R6 are the same or different, and represent a hydrogen atom or the like; R9 represents a hydrogen atom or the like; R10 and R11 together represent a bond or the like; and R12 represents a hydrogen atom or the like) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 22, 2010
    Publication date: July 5, 2012
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Kenji Uchida, Tsutomu Agatsuma, Kazuhiro Hibino, Setsuya Sasho, Kyoichiro Iida, Hideyuki Onodera
  • Publication number: 20110020931
    Abstract: A proliferation promoting agent for neural stem cells, which comprises a compound produced by Penicillium sp. CND1007 (FERM BP-10917) or a pharmaceutically acceptable salt thereof, as an active ingredient; a novel compound produced by Penicillium sp. CND 1007 or a pharmaceutically acceptable salt thereof; a method for producing neural stem cells, which comprises culturing a neural stem cells to proliferate the neural stem cells in a presence of the compound produced by Penicillium sp. CND 1007 or a pharmaceutically acceptable salt thereof, and harvesting the neural stem cells from the culture; and the like are provided.
    Type: Application
    Filed: January 29, 2009
    Publication date: January 27, 2011
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Hideyuki Onodera, Michio Ichimura, Kouji Baba, Tsutomu Agatsuma, Setsuya Sasho, Makoto Suzuki, Susumu Iwamoto, Shingo Kakita
  • Publication number: 20090181948
    Abstract: The present invention provides a diamine derivative or the like represented by the general formula (I): {wherein Q represents an oxygen atom or the like, RG represents a hydrogen atom or the like, RI represents (wherein p and r may be the same or different, and each represents 0 or the like, RA represents a hydrogen atom or the like, and RB and RC may be the same or different, and each represents a hydrogen atom or the like), RH represents a hydrogen atom or the like, and RJ represents: (wherein q and s may be the same or different, and each represents 0 or the like, RD represents a hydrogen atom or the like, and RE and RF may be the same or different, and each represents a hydrogen atom or the like) or the like}, etc.
    Type: Application
    Filed: January 31, 2006
    Publication date: July 16, 2009
    Applicant: KYOWA HAKKO KOGYO CO., LTD.
    Inventors: Setsuya Sasho, Takashi Seishi, Eri Atsumi, Mariko Osakada, Ryo Hirose, Shinichiro Toki, Katsuyoshi Tsukii, Shiro Shirakura
  • Patent number: 6030942
    Abstract: The invention relates to compositions which are useful for inhibiting ribonucleotide reductase enzymes, including the mammalian ribonucleotide reductase enzyme. The compositions include, but are not limited to, linear peptides, cyclic peptides, peptide analogs, and peptidomimetics. Methods of using the compositions of the invention to treat cancer and viral and bacterial infections are disclosed.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: February 29, 2000
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Barry S. Cooperman, Ralph F. Hirschmann, Amos B. Smith, III, Paul Laub, Setsuya Sasho, Paul A. Sprengeler, Bari A. Barwis, Alison Fisher, Shrikumar Nair
  • Patent number: 5075301
    Abstract: A furan derivative and a pharmaceutically acceptable salt thereof having gastrointestinal enterokinetic activity which is expected to be used in a broad spectrum of diseases associated with gastrointestinal dyskinesia.
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: December 24, 1991
    Assignee: Kyowa Hakko Kogyo, Co., Ltd.
    Inventors: Setsuya Sasho, Shunji Ichikawa, Hiromasa Kato, Hiroyuki Obase, Katsuichi Shuto, Yoshimasa Oiji