Patents by Inventor Kazutoshi Yokoyama

Kazutoshi Yokoyama 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: 20200316029
    Abstract: The present invention discloses a pharmaceutical tablet with a first layer comprising telmisartan, and a second layer comprising hydrochlorothiazide, amiodipine, mannitol, microcrystalline cellulose and corn starch, and a method of producing such a tablet.
    Type: Application
    Filed: May 24, 2017
    Publication date: October 8, 2020
    Inventors: Manabu NAKATANI, Noriko SEKI, Kazutoshi YOKOYAMA
  • Publication number: 20200188337
    Abstract: The present invention relates to pharmaceutical compositions comprising (E)-4-(2-(aminomethyl)-3-fluoroallyloxy)-N-tert-butylbenzamide having the following chemical structure or a pharmaceutically acceptable salt thereof as active pharmaceutical ingredient, particularly to pharmaceutical compositions comprising (E)-4-(2-(aminomethyl)-3-fluoroallyloxy)-N-tert-butylbenzamide hydrochloride, to pharmaceutical dosage forms, to their preparation, their use and methods for therapeutic treatment.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 18, 2020
    Inventors: Kenji EGUSA, Takuma KATAYAMA, Kazutoshi YOKOYAMA, Remko Alexander BAKKER, Ngai Hang Victor CHONG, Joerg RIPPMANN
  • Patent number: 10603292
    Abstract: The present invention relates to pharmaceutical compositions comprising (E)-4-(2-(aminomethyl)-3-fluoroallyloxy)-N-tert-butylbenzamide having the following chemical structure or a pharmaceutically acceptable salt thereof as active pharmaceutical ingredient, particularly to pharmaceutical compositions comprising (E)-4-(2-(aminomethyl)-3-fluoroallyloxy)-N-tert-butylbenzamide hydrochloride, to pharmaceutical dosage forms, to their preparation, their use and methods for therapeutic treatment.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: March 31, 2020
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Kenji Egusa, Takuma Katayama, Kazutoshi Yokoyama, Remko Alexander Bakker, Ngai Hang Victor Chong, Joerg Rippmann
  • Publication number: 20180344672
    Abstract: The present invention relates to pharmaceutical compositions comprising (E)-4-(2-(aminomethyl)-3-fluoroallyloxy)-N-tert-butylbenzamide having the following chemical structure or a pharmaceutically acceptable salt thereof as active pharmaceutical ingredient, particularly to pharmaceutical compositions comprising (E)-4-(2-(aminomethyl)-3-fluoroallyloxy)-N-tert-butylbenzamide hydrochloride, to pharmaceutical dosage forms, to their preparation, their use and methods for therapeutic treatment.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 6, 2018
    Inventors: Kenji EGUSA, Takuma KATAYAMA, Kazutoshi YOKOYAMA, Remko Alexander BAKKER, Ngai Hang Victor CHONG, Joerg RIPPMANN
  • Patent number: 9533983
    Abstract: The present invention relates to a novel antiplatelet agent and a novel compound which is an active ingredient for the agent. The present invention provides the antiplatelet agent comprising a compound represented by the formula I: wherein, X is N, or CR1d, Xb1-Xb5 are the same or different, and are nitrogen or carbon, R1a-R1d are the same or different, and are hydrogen, an optionally substituted alkyl, an optionally substituted alkoxy, an optionally substituted alkylthio, an alkenyl, a cycloalkyl, a halogen, cyano, or hydroxyl or optionally substituted by 1 or 2 alkylamino, R2 is an optionally substituted aryl or an optionally substituted heteroaryl, R3 is an optionally substituted aryl or an optionally substituted heteroaryl, or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: January 3, 2017
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Hiroshi Sato, Kazutoshi Yokoyama, Kazushi Sato
  • Publication number: 20140194407
    Abstract: The present invention relates to a novel antiplatelet agent and a novel compound which is an active ingredient for the agent. The present invention provides the antiplatelet agent comprising a compound represented by the formula I: wherein, X is N, or CR1d, Xb1-Xb5 are the same or different, and are nitrogen or carbon, R1a-R1d are the same or different, and are hydrogen, an optionally substituted alkyl, an optionally substituted alkoxy, an optionally substituted alkylthio, an alkenyl, a cycloalkyl, a halogen, cyano, or hydroxyl or optionally substituted by 1 or 2 alkylamino, R2 is an optionally substituted aryl or an optionally substituted heteroaryl, R3 is an optionally substituted aryl or an optionally substituted heteroaryl, or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: February 25, 2014
    Publication date: July 10, 2014
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Hiroshi SATO, Kazutoshi YOKOYAMA, Kazushi SATO
  • Patent number: 8703760
    Abstract: The present invention relates to a novel antiplatelet agent and a novel compound which is an active ingredient for the agent. The present invention provides the antiplatelet agent comprising a compound represented by the formula I: wherein, X is N, or CR1d, Xb1-Xb5 are the same or different, and are nitrogen or carbon, R1a-R1d are the same or different, and are hydrogen, an optionally substituted alkyl, an optionally substituted alkoxy, an optionally substituted alkylthio, an alkenyl, a cycloalkyl, a halogen, cyano, or hydroxyl or optionally substituted by 1 or 2 alkylamino, R2 is an optionally substituted aryl or an optionally substituted heteroaryl, R3 is an optionally substituted aryl or an optionally substituted heteroaryl, or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: April 22, 2014
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Hiroshi Sato, Kazutoshi Yokoyama, Kazushi Sato
  • Patent number: 8637078
    Abstract: The invention relates to a bilayer pharmaceutical tablet comprising a first layer containing 3 to 50 wt. % of telmisartan dispersed in a dissolving tablet matrix and a second layer containing a diuretic in a disintegrating tablet matrix as well as a processes for producing same.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: January 28, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Manabu Nakatani, Kazutoshi Yokoyama, Takeshi Sawada
  • Publication number: 20120258951
    Abstract: The present invention relates to a novel antiplatelet agent and a novel compound which is an active ingredient for the agent. The present invention provides the antiplatelet agent comprising a compound represented by the formula I: wherein, X is N, or CR1d, Xb1-Xb5 are the same or different, and are nitrogen or carbon, R1a-R1d are the same or different, and are hydrogen, an optionally substituted alkyl, an optionally substituted alkoxy, an optionally substituted alkylthio, an alkenyl, a cycloalkyl, a halogen, cyano, or hydroxyl or optionally substituted by 1 or 2 alkylamino, R2 is an optionally substituted aryl or an optionally substituted heteroaryl, R3 is an optionally substituted aryl or an optionally substituted heteroaryl, or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: December 17, 2010
    Publication date: October 11, 2012
    Applicant: Mitsubishi Tanage Pharma Corporation
    Inventors: Hiroshi Sato, Kazutoshi Yokoyama, Kazushi Sato
  • Publication number: 20080113023
    Abstract: The invention relates to a bilayer pharmaceutical tablet comprising a first layer containing 3 to 50 wt. % of telmisartan dispersed in a dissolving tablet matrix and a second layer containing a diuretic in a disintegrating tablet matrix as well as a processes for producing same.
    Type: Application
    Filed: November 15, 2006
    Publication date: May 15, 2008
    Inventors: Manabu Nakatani, Kazutoshi Yokoyama, Takeshi Sawada