Patents by Inventor Yoshinori Nonaka

Yoshinori Nonaka 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: 20100249054
    Abstract: The present invention provides an 8-modified purinenucleoside derivative which is useful for diseases associated with an abnormality of plasma uric acid level. An 8-modified purinenucleoside derivative represented by the following formula (I), a prodrug thereof or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, is useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like. In the formula, n is 1 or 2; RA is a hydrogen atom or a hydroxyl group; R1 is a hydrogen atom, a hydroxyl group, a thiol group, an amino group or a chlorine atom; ring J represents an optionally substituted 2-naphthyl group, or a group represented by the following general formula (II) wherein Y represents a single bond or a connecting group; ring Z represents an optionally substituted aryl group or heteroaryl group or the like; and R2 to R4, P1 and Q represents a halogen atom, a cyano group or the like.
    Type: Application
    Filed: March 13, 2007
    Publication date: September 30, 2010
    Inventors: Kazuya Tatani, Yoshinori Nonaka, Norihiko Kikuchi
  • Patent number: 7795236
    Abstract: The present invention provides an 8-modified purinenucleoside derivative which is useful for diseases associated with an abnormality of plasma uric acid level. An 8-modified purinenucleoside derivative represented by the following formula (I), a prodrug thereof or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, is useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like. In the formula, n is 1 or 2; RA is a hydrogen atom or a hydroxyl group; R1 is a hydrogen atom, a hydroxyl group, a thiol group, an amino group or a chlorine atom; ring J represents an optionally substituted 2-naphthyl group, or a group represented by the following general formula (II) wherein Y represents a single bond or a connecting group; ring Z represents an optionally substituted aryl group or heteroaryl group or the like; and R2 to R4, P1 and Q represents a halogen atom, a cyano group or the like.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: September 14, 2010
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Yoshinori Nonaka, Norihiko Kikuchi
  • Publication number: 20100227115
    Abstract: The present invention relates to a method of molding a composite material structural member used mainly within structural members such as channel materials or angle materials, and also to a composite material structural member. An object of the invention is to provide a method of molding a composite material structural member that is capable of suppressing fiber creasing even for very long shapes having non-developable surfaces, and also to provide a composite material structural member.
    Type: Application
    Filed: April 27, 2007
    Publication date: September 9, 2010
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kouji Esaki, Yoshinori Nonaka, Masami Miura, Shigeru Nishiyama, Toshio Abe
  • Patent number: 7547680
    Abstract: The present invention provides benzimidazole derivatives represented by the following formula (I) or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exert an inhibitory activity on sodium-dependent nucleoside transporter 2 and are useful for a disease associated with an abnormality of plasma uric acid level. The compounds of the present invention are useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like. In the formula, n is 1 or 2; R1 and R2 are H, a halogen atom, cyano group, optionally substituted alkyl group, optionally substituted aryl group or the like; R3 is H, a halogen atom, optionally substituted alkyl group or the like; R4 and R5 are H, a halogen atom, OH or the like; and R6 and RX are H or OH: RY is F or OH.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: June 16, 2009
    Assignee: Kissei Pharmaceuticals, Co., Ltd.
    Inventors: Norihiko Kikuchi, Yoshinori Nonaka, Kazuya Tatani, Masahiro Hiratochi, Yu Kuramochi, Masayuki Isaji, Kazuo Shimizu, Takashi Miyagi
  • Publication number: 20080038242
    Abstract: The present invention provides benzimidazole derivatives represented by the following formula (I) or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exert an inhibitory activity on sodium-dependent nucleoside transporter 2 and are useful for a disease associated with an abnormality of plasma uric acid level. The compounds of the present invention are useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like. In the formula, n is 1 or 2; R1 and R2 are H, a halogen atom, cyano group, optionally substituted alkyl group, optionally substituted aryl group or the like; R3 is H, a halogen atom, optionally substituted alkyl group or the like; R4 and R5 are H, a halogen atom, OH or the like; and R6 and RX are H or OH: RY is F or OH.
    Type: Application
    Filed: June 23, 2006
    Publication date: February 14, 2008
    Inventors: Norhiko Kikuchi, Yoshinori Nonaka, Kazuya Tatani, Masahiro Hiratochi, Yu Kuramochi, Masayuki Isaji, Kazuo Shimizu, Takashi Miyagi
  • Publication number: 20070179115
    Abstract: The present invention provides an 8-modified purinenucleoside derivative which is useful for diseases associated with an abnormality of plasma uric acid level. An 8-modified purinenucleoside derivative represented by the following formula (I), a prodrug thereof or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, is useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like. In the formula, n is 1 or 2; RA is a hydrogen atom or a hydroxyl group; R1 is a hydrogen atom, a hydroxyl group, a thiol group, an amino group or a chlorine atom; ring J represents an optionally substituted 2-naphthyl group, or a group represented by the following general formula (II) wherein Y represents a single bond or a connecting group; ring Z represents an optionally substituted aryl group or heteroaryl group or the like; and R2 to R4, P1 and Q represents a halogen atom, a cyano group or the like.
    Type: Application
    Filed: March 13, 2007
    Publication date: August 2, 2007
    Inventors: Kazuya Tatani, Yoshinori Nonaka, Norihiko Kikuchi
  • Patent number: 5861437
    Abstract: A poly(phenylene ether) resin composed of structural units represented by the general formula: ##STR1## (wherein R.sup.1, R.sup.2 and R.sup.3 represent each alkyl, cycloalkyl, etc. or H (provided that two or more of R.sup.1, R.sup.2 and R.sup.3 do not represent H at the same time), or one of R.sup.1, R.sup.2 and R.sup.3 represents alkyl or H while the others together form a saturated ring, or R.sup.1, R.sup.2 and R.sup.3 together form an aromatic ring; A represents alkyl; p is an integer of from 3 to 5; and Y.sup.- represents a pharmaceutically acceptable acid residue) and/or structural units represented by the general formula: ##STR2## (wherein R.sup.4, R.sup.5 and R.sup.6 represents each alkyl, cycloalkyl, etc. or H (provided that two or more of R.sup.4, R.sup.5 and R.sup.6 do not represent H at the same time), or one of R.sup.4, R.sup.5 and R.sup.6 represents alkyl or H while the others together form a saturated ring, or R.sup.4, R.sup.5 and R.sup.6 together form an aromatic ring; and A, p and Y.sup.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: January 19, 1999
    Assignee: Kissei Pharmaceutical Company, Ltd.
    Inventors: Hiromu Harada, Yukihiko Hotei, Hideki Hujikura, Yoshinori Nonaka, Koji Kamata, Mitsuhiro Ichihara, Hiroshi Kusama, Humiyasu Satoh
  • Patent number: 5624948
    Abstract: 1-(2-benzimidazolyl)-1,5-diazacyclooctane compounds represented by the formula: ##STR1## wherein X represents a hydrogen atom or a halogen atom; Y represents a covalent bond, a straight- or branched-chain alkylene group having 1 to 6 carbon atoms, or a straight- or branched-chain alkenylene group having 2 to 6 carbon atoms; R represents a hydrogen atom, or a straight- or branched-chain alkyl group having 1 to 6 carbon atoms; and pharmaceutically acceptable salts thereof. The compounds represented above are novel potent and long-lasting histamine HI-receptor antagonist with less-topical irritation, and can be topically administered by inhalation for the treatment of bronchial asthma.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: April 29, 1997
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hidetoshi Isawa, Nobuko Yanagi, Yasuo Takehana, Den-ichi Momose, Masaaki Satoh, Yoshinori Nonaka
  • Patent number: 5205897
    Abstract: A loudspeaker component is bonded to a diaphragm formed of an olefinic resin, by applying an adhesion primer to bonding positions of the component and/or the diaphragm, applying an adhesive to the bonding positions after the primer has cured, and superposing the component and diaphragm. An air curing unsaturated polyester resin is used as the adhesion primer.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: April 27, 1993
    Assignee: Onkyo Corporation
    Inventor: Yoshinori Nonaka