Patents by Inventor Nobuhiro Nishizawa

Nobuhiro Nishizawa 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: 8044012
    Abstract: The present invention relates to a detergent composition for automatic dishwashing machines, containing (A) particles containing 0.05 to 10% by mass of (a) a polymer compound having a monomer unit with a cationic group and another monomer unit with an anionic group at a molar ratio [the total number of moles of cationic groups]/[the total number of moles of anionic groups] of 30/70 to 90/10, wherein the content of the polymer compound (a) in the detergent composition is 0.05 to 1.5% by mass.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: October 25, 2011
    Assignee: Kao Corporation
    Inventors: Masashi Yoshikawa, Nobuhiro Nishizawa, Takashi Kawashima, Tadashi Nishimori
  • Publication number: 20090264332
    Abstract: The present invention relates to a detergent composition for automatic dishwashing machines, containing (A) particles containing 0.05 to 10% by mass of (a) a polymer compound having a monomer unit with a cationic group and another monomer unit with an anionic group at a molar ratio [the total number of moles of cationic groups]/[the total number of moles of anionic groups] of 30/70 to 90/10, wherein the content of the polymer compound (a) in the detergent composition is 0.05 to 1.5% by mass.
    Type: Application
    Filed: September 25, 2006
    Publication date: October 22, 2009
    Inventors: Masashi Yoshikawa, Nobuhiro Nishizawa, Takashi Kawashima, Tadashi Nishimori
  • Patent number: 7375067
    Abstract: The present invention relates to a liquid detergent composition including (a) an anionic surfactant containing a hydrocarbon group having 10 to 18 carbon atoms, (b) an amine oxide surfactant containing a hydrocarbon group having 10 to 18 carbon atoms, (c) 2-ethylhexyl monoglyceryl ether, a compound represented by the formula (5) or a compound represented by the formula (6) and (d) water in each specified ratio: R5a—(OR5b)a5—OH??(5) R6a—(OR6b)a6Gb6.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: May 20, 2008
    Assignee: Kao Corporation
    Inventors: Hiromitsu Hayashi, Nobuhiro Nishizawa, Yoshihiro Yomogida
  • Publication number: 20060105933
    Abstract: The present invention relates to a liquid detergent composition including (a) an anionic surfactant containing a hydrocarbon group having 10 to 18 carbon atoms, (b) an amine oxide surfactant containing a hydrocarbon group having 10 to 18 carbon atoms, (c) 2-ethylhexyl monoglyceryl ether, a compound represented by the formula (5) or a compound represented by the formula (6) and (d) water in each specified ratio: R5a—(OR5b)a5—OH ??(5) R6a—(OR6b)a6Gb6 ??(6)
    Type: Application
    Filed: January 28, 2004
    Publication date: May 18, 2006
    Applicant: Kao Corporation
    Inventors: Hiromitsu Hayashi, Nobuhiro Nishizawa, Yoshihiro Yomogida
  • Publication number: 20040053804
    Abstract: In a method of washing with a flexible absorber impregnated with a small amount of water and a detergent solution, there is provided a liquid detergent composition exhibiting a high detergent effect and durability of the effect. Disclosed is a liquid detergent composition for use in direct impregnation of specific amounts of a flexible absorber, which comprises a surfactant, a hydrotropic agent and a water-soluble organic solvent and water, has a viscosity of 300 to 1000 mPa·s at 20° C., and has the maximum viscosity when diluted with water within the concentration range of 10 to 60% by weight.
    Type: Application
    Filed: July 21, 2003
    Publication date: March 18, 2004
    Inventors: Yoshihiro Yomogida, Nobuhiro Nishizawa, Kazunari Maruta, Nobuyuki Ogura