Patents by Inventor Eiichi Kojima

Eiichi Kojima 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).

  • Patent number: 11685740
    Abstract: Provided are a novel compound having an antagonistic activity for the P2X7 receptor, and a pharmaceutical composition having an antagonistic activity for the P2X7 receptor.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: June 27, 2023
    Assignee: Shionogi & Co., Ltd.
    Inventors: Koji Masuda, Shuichi Sugiyama, Toru Yamada, Eiichi Kojima, Tomoyuki Ogawa, Naotake Kobayashi, Hiroyuki Kai
  • Publication number: 20210317125
    Abstract: Provided are a novel compound having an antagonistic activity for the P2X7 receptor, and a pharmaceutical composition having an antagonistic activity for the P2X7 receptor.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 14, 2021
    Applicant: Shionogi & Co., Ltd.
    Inventors: Koji MASUDA, Shuichi SUGIYAMA, Toru YAMADA, Eiichi KOJIMA, Tomoyuki OGAWA, Naotake KOBAYASHI, Hiroyuki KAI
  • Patent number: 11066409
    Abstract: Provided are a novel compound having an antagonistic activity for the P2X7 receptor, and a pharmaceutical composition having an antagonistic activity for the P2X7 receptor. The compound represented by Formula (I): wherein the symbols are defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: July 20, 2021
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Koji Masuda, Shuichi Sugiyama, Toru Yamada, Eiichi Kojima, Tomoyuki Ogawa, Naotake Kobayashi, Hiroyuki Kai
  • Publication number: 20200048257
    Abstract: Provided are a novel compound having an antagonistic activity for the P2X7 receptor, and a pharmaceutical composition having an antagonistic activity for the P2X7 receptor. The compound represented by Formula (I): wherein the symbols are defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 13, 2020
    Applicant: Shionogi & Co., Ltd.
    Inventors: Koji MASUDA, Shuichi SUGIYAMA, Toru YAMADA, Eiichi KOJIMA, Tomoyuki OGAWA, Naotake KOBAYASHI, Hiroyuki KAI
  • Patent number: 10123994
    Abstract: A compound of formula: or its pharmaceutically acceptable salt. L is NR2R3, SR7, SO2R8, alkyl, or alkenyl; R2 is hydrogen, alkyl, alkenyl, or alkynyl; R3 is hydrogen, alkyl, alkenyl, alkynyl; R7 is hydrogen, alkyl, alkenyl, or alkynyl; R8 is hydrogen, alkyl, alkenyl, or alkynyl, provided that R8 is not unsubstituted methyl or trifluoromethyl; Y is alkyl, alkenyl, alkynyl, aryl, provided that Y is not unsubstituted methyl or unsubstituted ethyl; Z is —CR6?, or —N?; R1 is hydrogen, or alkyl; R4, R5 and R6 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, alkyl, alkenyl, or alkynyl.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: November 13, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Eiichi Kojima, Yu Hinata, Toshihiro Wada
  • Patent number: 10093670
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: October 9, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 9980948
    Abstract: Disclosed is a compound which is useful as an AMPK activator.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: May 29, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Yuusuke Tamura, Yu Hinata, Eiichi Kojima, Hiroki Ozasa
  • Publication number: 20180141906
    Abstract: A compound is represented by formula: or its pharmaceutically acceptable salt, wherein Y is substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, or heterocyclyl; T is —CR7?; U is —CR8? or —N?; R2 is hydrogen, halogen, cyano, nitro, carboxy, substituted or unsubstituted alkyl, alkenyl, acyl, carbamoyl, alkylthio, alkylsulfinyl, alkylsulfonyl, or alkyloxycarbonyl; R3 is halogen, substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, heterocyclyl; R4 and R8 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, or heterocyclyl; and R7 is hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, heterocyclyl, alkyloxy, aryloxy, heteroaryloxy, cycloalkyloxy, cycloalkenyloxy, heterocyclyloxy, alkylthio, arylthio, heteroarylthio
    Type: Application
    Filed: January 22, 2018
    Publication date: May 24, 2018
    Applicant: SHIONOGI & CO. , LTD.
    Inventors: Yuusuke TAMURA, Eiichi KOJIMA, Yu HINATA
  • Patent number: 9890119
    Abstract: A compound is represented by formula: or its pharmaceutically acceptable salt, wherein Y is substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, or heterocyclyl; T is —CR7? or —N?; U is —CR8? or —N?; R2 is hydrogen, halogen, cyano, nitro, carboxy, substituted or unsubstituted alkyl, alkenyl, acyl, carbamoyl, alkylthio, alkylsulfinyl, alkylsulfonyl, or alkyloxycarbonyl; R3 is halogen, substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, heterocyclyl; and R4, R7 and R8 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, cycloalkenyl, or heterocyclyl.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: February 13, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Yuusuke Tamura, Eiichi Kojima, Hidaka Ikemoto, Yu Hinata
  • Publication number: 20170333398
    Abstract: A compound represented by formula: or its pharmaceutically acceptable salt, wherein L is NR2R3, SR7, SO2R8, substituted or unsubstituted alkyl, or substituted or unsubstituted alkenyl; R2 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, or the like; R3 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, or the like; R7 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, or the like; R8 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, or the like, provided that R8 is not unsubstituted methyl or trifluoromethyl; Y is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted aryl, or the like, provided that Y is not unsubstituted met
    Type: Application
    Filed: October 27, 2015
    Publication date: November 23, 2017
    Applicant: SHIONOGI & CO., LTD.
    Inventors: Eiichi KOJIMA, Yu HINATA, Toshihiro WADA
  • Publication number: 20170273955
    Abstract: Disclosed is a compound which is useful as an AMPK activator.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 28, 2017
    Applicant: Shionogi & Co., Ltd.
    Inventors: Yuusuke TAMURA, Yu HINATA, Eiichi KOJIMA, Hiroki OZASA
  • Publication number: 20170107219
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Application
    Filed: December 27, 2016
    Publication date: April 20, 2017
    Applicant: Shionogi & Co., Ltd.
    Inventors: Eiichi KOJIMA, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 9567330
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 14, 2017
    Assignee: Shionogi & Co., Ltd.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 9133186
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein a group represented by the formula: is a group represented by the formula: R1 is each independently halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like; m is an integer of 0 to 3; R2 is hydrogen, or substituted or unsubstituted alkyl; X is —O—; and Y is substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: September 15, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Keisuke Tonogaki, Akira Ino, Eiichi Kojima, Manabu Katou, Masafumi Iwatsu, Nobuyuki Tanaka, Masahiko Fujioka
  • Publication number: 20150203450
    Abstract: Disclosed is a compound which is useful as an AMPK activator.
    Type: Application
    Filed: February 26, 2014
    Publication date: July 23, 2015
    Applicant: SHIONOGI & CO., LTD.
    Inventors: Yuusuke Tamura, Eiichi Kojima, Hidaka Ikemoto, Yu Hinata
  • Publication number: 20140323722
    Abstract: A compound represented by formula: its pharmaceutically acceptable salt, or a solvate thereof. Ring B is substituted or unsubstituted nitrogen-containing hetero ring, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or substituted or unsubstituted alkyloxy, R2 and R3 taken together may form oxo, R4 is a group represented by the formula: —(CR6R7)n—R8, R6 and R7 are each independently hydrogen, halogen, hydroxy, carboxy, substituted or unsubstituted alkyl or substituted or unsubstituted alkyloxy, R6 and R7 taken together with the adjacent carbon atom to which they are attached may form a substituted or unsubstituted ring, and n is an integer of 0 to 3.
    Type: Application
    Filed: April 29, 2014
    Publication date: October 30, 2014
    Applicant: Shionogi & Co., Ltd.
    Inventors: Koji MASUDA, Shiro Kida, Naoki Yoshikawa, Manabu Katou, Terukazu Kato, Mado Nakajima, Eiichi Kojima, Mitsuhiro Yonehara
  • Publication number: 20140194420
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Application
    Filed: July 13, 2012
    Publication date: July 10, 2014
    Applicant: Shionogi & Co., Ltd.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 8754113
    Abstract: A compound represented by the formula: or its pharmaceutically acceptable salt. Ring A is aromatic carbocycle or aromatic heterocycle, Z is —O— or —S—, R1 is hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like, R2 and R3 are each independently hydrogen, halogen, hydroxy or the like, R4 is a group represented by the formula: —(CR6R7)n—R8, R6 and R7 are each independently hydrogen, halogen, hydroxy or the like, n is an integer of 0 to 3, R8 is carboxy, cyano, substituted or unsubstituted alkyl or the like, Rx is halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like, and m is an integer of 0 to 3.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: June 17, 2014
    Assignee: Shionogi & Co., Ltd.
    Inventors: Koji Masuda, Shiro Kida, Naoki Yoshikawa, Manabu Katou, Terukazu Kato, Mado Nakajima, Eiichi Kojima, Mitsuhiro Yonehara
  • Publication number: 20130184240
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein a group represented by the formula: is a group represented by the formula: R1 is each independently halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like; m is an integer of 0 to 3; R2 is hydrogen, or substituted or unsubstituted alkyl; X is —O—; and Y is substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 18, 2013
    Applicant: Shionogi & Co., Ltd.
    Inventors: Keisuke Tonogaki, Akira Ino, Eiichi Kojima, Manabu Katou, Masafumi Iwatsu, Nobuyuki Tanaka, Masahiko Fujioka
  • Patent number: 8324265
    Abstract: Disclosed is a compound useful as a type I 11?hydroxysteroid dehydrogenase inhibitor. A compound represented by the formula: a pharmaceutically acceptable salt or solvate thereof, wherein R1 is optionally substituted alkyl or the like, one of R2 and R4 is a group of formula: —Y—R5, wherein Y is —O— or the like, R5 is substituted alkyl (the substituent is optionally substituted cycloalkyl or the like), optionally substituted branched alkyl or the like, the other of R2 and R4 is hydrogen or optionally substituted alkyl, R3 is a group of formula: —C(?O)—Z—R6, wherein Z is —NR7— or —NR7—W—, R6 is optionally substituted cycloalkyl or the like, R7 is hydrogen or optionally substituted alkyl, W is optionally substituted alkylene, X is ?N— or the like, with the proviso that compounds wherein R2 is 2-(morphorino)ethoxy, R3 is N-(1-adamantyl)carbamoyl and R1 is benzyl are excluded.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: December 4, 2012
    Assignee: Shionogi & Co., Ltd.
    Inventors: Noriyuki Kurose, Mikayo Hayashi, Tomoyuki Ogawa, Koji Masuda, Eiichi Kojima