Patents by Inventor Jun-ichi Kazami

Jun-ichi Kazami 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).

  • Polycyclic Pyridines as Potassium Ion Channel Modulators
    Publication number: 20080108600
    Abstract: The present invention provides a genus of polycyclic pyridines that are useful as modulators of potassium ion channels. The modulators of the invention are of use in both therapeutic and diagnostic methods.
    Type: Application
    Filed: April 13, 2005
    Publication date: May 8, 2008
    Applicants: Icagen, Inc., Astellas Parma Inc.
    Inventors: Xiaodong Wang, Kerry L. Spear, Alan B. Fulp, Darrick Seconi, Takeshi Suzuki, Takahiro Ishii, Ayako Moritomo, Hideki Kubota, Jun-ichi Kazami
  • Ester or amide derivatives
    Patent number: 7183412
    Abstract: An ester or amide derivative represented by the general formula (I) or a pharmaceutically acceptable salt thereof. Particularly, an ester or amide derivative of 4-oxo-1,4-dihydroqunoline-2-carboxylic acid represented by the general formula (I?) or (I?), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: February 27, 2007
    Assignee: Astellas Pharma Inc.
    Inventors: Jun-ichi Kazami, Masato Watanabe, Takuya Hirata
  • Novel ester or amide derivatives
    Publication number: 20050090497
    Abstract: An ester or amide derivative represented by the general formula (I) or a pharmaceutically acceptable salt thereof. Particularly, an ester or amide derivative of 4-oxo-1,4-dihydroqunoline-2-carboxylic acid represented by the general formula (I?) or (I?), or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 19, 2004
    Publication date: April 28, 2005
    Inventors: Jun-ichi Kazami, Masato Watanabe, Takuya Hirata
  • Ester or amide derivatives
    Patent number: 6822098
    Abstract: An ester or amide derivative represented by the general formula (I) or a pharmaceutically acceptable salt thereof. Particularly, an ester or amide derivative of 4-oxo-1,4-dihydroqunoline-2-carboxylic acid represented by the general formula (I′) or (I″), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: November 23, 2004
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Jun-ichi Kazami, Masato Watanabe, Takuya Hirata
  • Novel ester or amide derivatives
    Publication number: 20040019214
    Abstract: An ester or amide derivative represented by the general formula (I) or a pharmaceutically acceptable salt thereof. Particularly, an ester or amide derivative of 4-oxo-1,4-dihydroqunoline-2-carboxylic acid represented by the general formula (I′) or (I″), or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 28, 2003
    Publication date: January 29, 2004
    Inventors: Jun-ichi Kazami, Masato Watanabe, Takuya Hirata
  • Arylethenesulfonamide derivatives and drug composition containing the same
    Patent number: 6083955
    Abstract: Novel arylethenesulfonamide derivative having a high affinity for drugs, especially endoserine receptors, and represented by general formula (I); pharmaceutically acceptable salts thereof; and drugs comprising the same as the active ingredient, especially endoserine receptor antagonist, whereinAr: optionally substituted aryl group or optionally substituted five- to six-membered heteroaryl group;X: oxygen atom, sulfur atom or a group represented by a formula --NH--;Y: oxygen atom or sulfur atom;R.sub.1 : hydrogen atom, optionally halogen-substituted lower alkyl group, cycloalkyl group, optionally substituted aryl group or optionally substituted five- to six-membered heteroaryl group.R.sub.2 : lower alkyl group, lower alkenyl group or lower alkynyl group where each of which may be substituted with one to three substituent(s) selected from a group consisting of hydroxyl group, lower alkoxy group, cycloalkyl group, halogen atom, carboxyl group and lower alkoxycarbonyl group;R.sub.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: July 4, 2000
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Hironori Harada, Jun-ichi Kazami, Susumu Watanuki, Ryuji Tsuzuki, Katsumi Sudou, Akihiro Tanaka