Patents by Inventor Nobuhiro Take

Nobuhiro Take 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).

  • Stable vitamin B6 derivative
    Patent number: 8003615
    Abstract: A compound represented by the following general formula (I) or a salt thereof: wherein R1 represents a glycosyl group, a phosphate group, or a cyclic phosphate group bound to R2; R2 represents —CH2OH, —CHO, —CH2NH2, —CH2-amino acid residue, or —CH2—OPO2H; and R3 represents hydrogen atom, or —PO3H2, and a composition for cosmetics, medicaments, foodstuffs, and/or feeds containing the aforementioned compound or a salt thereof.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: August 23, 2011
    Assignee: Daiichi Fine Chemical Co., Ltd.
    Inventors: Keiji Sakamoto, Koichi Wada, Hajime Ito, Nobuhiro Take, Hiroshi Morimoto, Fumio Maniwa, Yukiko Shimmoto
  • STABLE VITAMIN B6 DERIVATIVE
    Publication number: 20090117064
    Abstract: A compound represented by the following general formula (I) or a salt thereof: wherein R1 represents a glycosyl group; R2 represents —CH2OH, —CHO, —CH2NH2, —CH2-amino acid residue, or —CH2—OPO2H; and R3 represents hydrogen atom, or —PO3H2, and methods of its use in cosmetics, medicaments, foodstuffs, and/or feeds.
    Type: Application
    Filed: January 9, 2009
    Publication date: May 7, 2009
    Applicant: DAIICHI FINE CHEMICAL CO., LTD.
    Inventors: Keiji Sakamoto, Koichi Wada, Hajime Ito, Nobuhiro Take, Hiroshi Morimoto, Fumio Maniwa, Yukiko Shimmoto
  • Stable vitamin b6 derivative
    Publication number: 20070148108
    Abstract: A compound represented by the following general formula (I) or a salt thereof: wherein R1 represents a glycosyl group, a phosphate group, or a cyclic phosphate group bound to R2; R2 represents —CH2OH, —CHO, —CH2NH2, —CH2-amino acid residue, or —CH2—OPO2H; and R3 represents hydrogen atom, or —PO3H2, and a composition for cosmetics, medicaments, foodstuffs, and/or feeds containing the aforementioned compound or a salt thereof.
    Type: Application
    Filed: September 30, 2004
    Publication date: June 28, 2007
    Inventors: Keiji Sakamoto, Koichi Wada, Hajime Ito, Nobuhiro Take, Hiroshi Morimoto, Fumio Maniwa, Yukiko Shimmoto
  • PEPTIDE DERIVATIVES
    Publication number: 20010007016
    Abstract: A peptide derivative having analgesic activity represented by the following Formula I: 1
    Type: Application
    Filed: September 28, 1999
    Publication date: July 5, 2001
    Inventors: SHINOBU SAKURADA, KIMIE MURAYAMA, MASAHARU NAKANO, KAZUYA HONGO, SATOKO TAKESHIMA, NOBUHIRO TAKE
  • Peptide derivatives
    Patent number: 6228841
    Abstract: Compounds represented by the following general formula and salts thereof; Y-L-Tyr-Q-NR1—CH(R2)—CO—X, wherein R1 represents hydrogen or C1-6 alkyl; R2 represents optionally substituted benzyl; Q represents D- or L-Arg; Y represents two hydrogen atoms of N-terminal amino group of L-Tyr, or one or two functional groups substituting for the hydrogen atoms, for example, a C1-6 alkyl optionally having amino or carboxy; and X represents N-methyl-&bgr;-alanine and other. The compounds have analgesic effect and can be used for the treatment of cancer pain or the like.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: May 8, 2001
    Assignees: Daiichi Pharmaceutical Co., Ltd., Fuji Chemical Industries, Ltd.
    Inventors: Shinobu Sakurada, Toru Okayama, Eriko Nukui, Kazuya Hongo, Tadashi Ogawa, Tomoko Hongo, Satoko Takeshima, Nobuhiro Take, Masaharu Nakano
  • Peptide derivatives
    Patent number: 6051685
    Abstract: A peptide derivative having analgesic activity represented by the following Formula I: ##STR1## wherein Q represents D-Arg or L-Arg; and X represents for example NR.sup.6 --CHR.sup.7 R.sup.8. Typical compounds include H.sub.2 NC(NH)-Tyr-D-Arg-Phe-NHCH.sub.2 CH.sub.2 COOH and H.sub.2 NC(NH)-Tyr-D-Arg-Phe-NHCH.sub.2 CH.sub.2 CONH.sub.2.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: April 18, 2000
    Assignee: Daiichi Pharmaceuticals Co., Ltd.
    Inventors: Shinobu Sakurada, Kimie Murayama, Masaharu Nakano, Kazuya Hongo, Satoko Takeshima, Nobuhiro Take