Patents by Inventor Koji Kunimasu

Koji Kunimasu 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: 9050247
    Abstract: A pharmaceutical composition for external use which is an organogel containing a fatty acid ester and a glycerolglycerin fatty acid ester, in particular, a novel transdermally absorbabedle pharmaceutical composition for external use which has a drug such as non-narcotic analgesics as an active ingredient made in organogel form containing a drug such as non-narcotic analgesics as an active ingredient, a fatty acid ester and a glycerolglycerin fatty acid ester, and a method for producing the composition. The pharmaceutical composition significantly improves skin permeability of drugs such as non-narcotic analgesics and allows a sufficient amount of drug to permeate the skin sustainably. Moreover, since the pharmaceutical composition is in organogel form, it can be easily applied to a preparation in practice. In addition, the pharmaceutical composition can provide efficient use and the like of drugs due to a high drug release rate and therefore is highly useful.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: June 9, 2015
    Assignees: NIHON UNIVERSITY, NIPPON ZOKI PHARMACEUTICAL CO., LTD.
    Inventors: Takayuki Furuishi, Kazuo Tomono, Toyofumi Suzuki, Toshiro Fukami, Koji Kunimasu
  • Patent number: 8653285
    Abstract: An aminopropylidene derivative having excellent histamine receptor antagonistic action, a compound which is useful as a pharmaceutical composition, especially as an active ingredient, having alleviated side effects in the central nervous system is described. In the aminopropylidene derivative, R1 and R2, which may be identical or different, stand for a hydrogen, a substituted carbonyl, a substituted carbonylalkyl, and acrylic acid, excluding a case where both are hydrogen; R3 and R4, which may be identical or different, stand for hydrogen, an alkyl which may be substituted with phenyl, or the like; A stands for unsubstituted or an oxo; B stands for a carbon or an oxygen; one of X and Y stands for a carbon and the other stands for a sulfur, a broken line part stands for a single bond or a double bond, and a wavy line stands for cis-form and/or trans-form.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: February 18, 2014
    Assignee: Nippon Zoki Pharmaceutical Co., Ltd.
    Inventors: Kunihiko Higashiura, Takashi Ogino, Taizo Ito, Koji Kunimasu, Kazuhito Furukawa
  • Publication number: 20120264742
    Abstract: A pharmaceutical composition for external use which is an organogel containing a fatty acid ester and a glycerolglycerin fatty acid ester, in particular, a novel transdermally absorbable pharmaceutical composition for external use which has a drug such as non-narcotic analgesics as an active ingredient made in organogel form containing a drug such as non-narcotic analgesics as an active ingredient, a fatty acid ester and a glycerolglycerin fatty acid ester, and a method for producing the composition. The pharmaceutical composition significantly improves skin permeability of drugs such as non-narcotic analgesics and allows a sufficient amount of drug to permeate the skin sustainably. Moreover, since the pharmaceutical composition is in organogel form, it can be easily applied to a preparation in practice. In addition, the pharmaceutical composition can provide efficient use and the like of drugs due to a high drug release rate and therefore is highly useful.
    Type: Application
    Filed: November 11, 2010
    Publication date: October 18, 2012
    Applicants: NIPPON ZOKI PHARMACEUTICAL CO., LTD., NIHON UNIVERSITY
    Inventors: Takayuki Furuishi, Kazuo Tomono, Toyofumi Suzuki, Toshiro Fukami, Koji Kunimasu
  • Publication number: 20110124856
    Abstract: An aminopropylidene derivative having excellent histamine receptor antagonistic action, a compound which is useful as a pharmaceutical composition, especially as an active ingredient, having alleviated side effects in the central nervous system is described. In the aminopropylidene derivative, R1 and R2, which may be identical or different, stand for a hydrogen, a substituted carbonyl, a substituted carbonylalkyl, and acrylic acid, excluding a case where both are hydrogen; R3 and R4, which may be identical or different, stand for hydrogen, an alkyl which may be substituted with phenyl, or the like; A stands for unsubstituted or an oxo; B stands for a carbon or an oxygen; one of X and Y stands for a carbon and the other stands for a sulfur, a broken line part stands for a single bond or a double bond, and a wavy line stands for cis-form and/or trans-form.
    Type: Application
    Filed: July 31, 2009
    Publication date: May 26, 2011
    Applicant: NIPPON ZOKI PHARMACEUTICAL CO., LTD.
    Inventors: Kunihiko Higashiura, Takashi Ogino, Taizo Ito, Koji Kunimasu, Kazuhito Furukawa