Patents by Inventor Narihiro Toda

Narihiro Toda 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: 20080153778
    Abstract: Compounds having formula I: where A1, A2, L, V, W, R1, R2, R3, R4 and R5 are as described herein, compositions thereof, and their use for the treatment or prevention of type 2 diabetes and type 2 diabetes-related conditions are provided herein.
    Type: Application
    Filed: October 9, 2007
    Publication date: June 26, 2008
    Inventors: Yasuyuki Ogawa, Ryo Okuyama, Satoshi Shibuya, Narihiro Toda, Zhaodan Cao, Zice Fu, Xiaolin Hao, Yong-Jae Kim, Leping Li, Sarah E. Lively, Mike Lizarzaburu, Hui Tian, Ming Yu
  • Publication number: 20070037795
    Abstract: A compound of the formula (1): wherein R1 is a C1-C6 alkyl, an amino, a (C1-C6 alkyl)amino, a di(C1-C6 alkyl)amino or a nitrogen-containing saturated heterocyclic; R2 and R3 are the same or different and are a hydrogen or a C1-C6 alkyl; Arom is an unsubstituted or substituted aryl or an unsubstituted or substituted heteroaryl; wherein the substituted aryl is substituted at 1 to 5 positions and the substituted heteroaryl is substituted at 1 to 3 positions; wherein the heteroaryl is furyl, thiolyl, pyrrolyl, azepinyl, pyrazolyl, imidazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, 1,2,3 oxadiazolyl, pyranyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl or quinolyl; and wherein the substituents of the substituted aryl and of the substituted heteroaryl are independently halogen, C1-C6 alkyl, halogeno C1-C6 alkyl, C1-C6 alkoxy, C1-C6 alkylthio, C1-C3 alkylenedioxy, C1-C7 alkanoyl, C2-C7 alkyloxycarbonyl, amino, C1-C7 alkanoylamino, hydroxyl, mercapto, cyano, nitro or carboxyl; A is an ethylene or propyl
    Type: Application
    Filed: October 19, 2006
    Publication date: February 15, 2007
    Applicant: BTG INTERNATIONAL LIMITED
    Inventors: Kazuo Koyama, Shinji Marumoto, Narihiro Toda, Hiroshi Kogen, Keiko Suzuki
  • Publication number: 20070037793
    Abstract: A compound of the formula (I): wherein R1 is a C1-C6 alkyl group, an amino group, a (C1-C6 alkyl)amino group, a di(C1-C6 alkyl)amino group or a nitrogen-containing saturated heterocyclic group; R3 is a hydrogen atom or a C1-C6 alkyl group; Arom is an unsubstituted or substituted aryl group or an unsubstituted or substituted heteroaryl group; wherein the substituted aryl group is substituted at 1 to 5 positions and the substituted heteroaryl group is substituted at 1 to 3 positions; and wherein the substituents of the aryl group and of the heteroaryl group are independently selected from the group consisting of halogen atom, C1-C6 alkyl, halogeno C1-C6 alkyl, C1-C6 alkoxy, C1-C6 alkylthio, C1-C3 alkylenedioxy, C1-C7 alkanoyl, C2-C7 alkyloxycarbonyl, amino, C1-C7 alkanoylamino, hydroxyl, mercapto, cyano, nitro and carboxyl; A is a C1-C6 alkylene group; Ra together with R2 is a C2-C3 alkylene group containing a double bond; E is a single bond, an oxygen atom, a sulfur atom or a group of the formula: —NR4—,
    Type: Application
    Filed: October 19, 2006
    Publication date: February 15, 2007
    Applicant: BTG INTERNATIONAL LIMITED
    Inventors: Kazuo Koyama, Shinji Marumoto, Narihiro Toda, Hiroshi Kogen, Keiko Suzuki
  • Publication number: 20040067981
    Abstract: A compound of the formula (I): 1
    Type: Application
    Filed: July 28, 2003
    Publication date: April 8, 2004
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Kazuo Koyama, Shinji Marumoto, Narihiro Toda, Hiroshi Kogen, Keiko Suzuki