Patents by Inventor Kazuo Oki

Kazuo Oki 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: 20100027125
    Abstract: It is an object of the present invention to provide a light diffusing member which has excellent optical transparency and light resistance and has excellent light diffusibility despite of a small amount of filler to be added, and a method for producing the same. The light diffusing member of the present invention is a light diffusing member including a base material and ceramic particles contained in the base material, wherein the ceramic particles have a composition in which the total amount of MgO and Al2O3 is 80% by weight or more and the weight ratio [MgO/Al2O3] of MgO and Al2O3 is 0.05 to 5.
    Type: Application
    Filed: December 26, 2007
    Publication date: February 4, 2010
    Inventors: Mikio Sakaguchi, Kazuo Oki
  • Publication number: 20080194447
    Abstract: The present invention relates to use of an aluminosilicate particle for deodorization, wherein the aluminosilicate particle has the composition of: s M(1)xOy t M(2)2O.Al2O3 u SiO2 v RmQn w H2O, wherein M(1) is one or more members selected from the group consisting of Ag, Cu, Zn and Fe, M(2) is one or more members selected from the group consisting of Na, K and H, R is one or more members selected from the group consisting of Na, K, Ca and Mg, Q is one or more members selected from the group consisting of CO3, SO4, NO3, and Cl, s satisfies 0<s?3, and t satisfies 0?t?3, with proviso that s+t is from 0.5 to 3, and u satisfies 0.5?u?6, v satisfies 0<v?2, w satisfies w?0, x satisfies 1?x?2, y satisfies 1?y?3, m satisfies 1?m?2, and n satisfies 1?n?3, and wherein the aluminosilicate particle has a specific surface area of 1 m2/g or more and less than 70 m2/g.
    Type: Application
    Filed: August 6, 2004
    Publication date: August 14, 2008
    Applicant: KAO CORPORATION
    Inventor: Kazuo Oki
  • Publication number: 20070161538
    Abstract: A method of improving smoothness of an item to be washed during washing, including the step of washing the item with a washing liquid under conditions where an organic polymer having spinnability is present in the washing liquid; a process for hand-washing including the step of hand-washing an item to be washed with a washing liquid showing spinnability containing an organic polymer having spinnability, or a washing liquid prepared by diluting the washing liquid with more than 1-fold to 1,000-fold amount of water; a detergent composition containing an organic polymer having spinnability having an average molecular weight of 1,500,000 or more in an amount exceeding 0.1% by weight of the detergent composition; a laundry detergent composition comprising a polymer having an average molecular weight of 500,000 or more, wherein 60% by mole or more of constituting monomers has a sulfonic acid group or a salt form thereof, or a sulfuric acid group or a salt form thereof.
    Type: Application
    Filed: February 10, 2005
    Publication date: July 12, 2007
    Applicant: Kao Corporation
    Inventors: Yuki Yanagisawa, Katsuhiko Kasai, Yoshinobu Imaizumi, Hiroaki Warita, Kazuo Oki, Osamu Takiguchi, Takuya Masuda, Shu Yamaguchi
  • Patent number: 7211555
    Abstract: A process for efficiently preparing fine zeolite particles comprising synthesizing zeolite in the presence of an alkaline earth metal-containing compound and/or with controlling the preparation process of zeolite, thereby giving fine zeolite particles being composed of crystalline aluminosilicate, the fine zeolite particles having a fine average primary particle size, being excellent in the cationic exchange properties and the oil-absorbing ability, having a fine average aggregate particle size, and being excellent in the dispersibility; fine zeolite particles obtainable by the above process; and a detergent composition comprising the fine zeolite particles, the detergent composition being excellent in the detergency.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: May 1, 2007
    Assignee: Kao Corporation
    Inventors: Kazuo Oki, Hiroji Hosokawa, Mikio Sakaguchi, Hiroshi Kitagaito, Kazuo Taguchi, Hitoshi Takaya
  • Publication number: 20060090876
    Abstract: A ceramics particle produced by a flame fusion method, wherein the ceramics particle contains MgO and SiO2 as main components, and has a MgO/SiO2 weight ratio of from 0.1 to 10, and an average particle size of from 0.001 to 1.5 mm; a spherical molding sand produced by a flame fusion method, wherein the spherical molding sand contains MgO and SiO2 as main components, and has a MgO/SiO2 weight ratio of from 0.1 to 10, and an average particle size of from 0.001 to 1.5 mm; a spherical molding sand, wherein the spherical molding sand comprises MgO and SiO2 as main components, and has a MgO/SiO2 weight ratio of from 0.1 to 10, an average particle size of from 0.001 to 1.5 mm, and a spherical degree of 0.95 or more; a process for producing the above spherical molding sand; a casting mold containing the spherical molding sand as defined above; and a casting produced by casting with the mold as defined above.
    Type: Application
    Filed: November 1, 2005
    Publication date: May 4, 2006
    Inventors: Mikio Sakaguchi, Masayuki Kato, Kazuo Oki
  • Patent number: 6894019
    Abstract: Base particles for supporting a surfactant, obtainable by a step of spray-drying a slurry comprising (A) a zeolite having an average aggregate particle diameter of 15 ?m or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less, (B) a water-soluble polymer; (C) a water-soluble salt, and (D) a surfactant in an amount of 5% by weight or less of the slurry; detergent particles comprising the base particles; and a zeolite for a laundry detergent, wherein the zeolite has an average aggregate particle diameter of 15 ?m or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less; and a process for preparing base particles for supporting a surfactant, comprising a step of spray-drying a slurry comprising a zeolite (A) having an average aggregate particle diameter of 15 ?m or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less, a water-soluble polymer (B), a water-soluble salt (C), an
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: May 17, 2005
    Assignee: Kao Corporation
    Inventors: Kazuo Oki, Hiroji Hosokawa, Shu Yamaguchi, Kimihiro Mizusawa
  • Publication number: 20050079994
    Abstract: A process for efficiently preparing fine zeolite particles comprising synthesizing zeolite in the presence of an alkaline earth metal-containing compound and/or with controlling the preparation process of zeolite, thereby giving fine zeolite particles being composed of crystalline aluminosilicate, the fine zeolite particles having a fine average primary particle size, being excellent in the cationic exchange properties and the oil-absorbing ability, having a fine average aggregate particle size, and being excellent in the dispersibility; fine zeolite particles obtainable by the above process; and a detergent composition comprising the fine zeolite particles, the detergent composition being excellent in the detergency.
    Type: Application
    Filed: September 30, 2004
    Publication date: April 14, 2005
    Applicant: KAO CORPORATION
    Inventors: Kazuo Oki, Hiroji Hosokawa, Mikio Sakaguchi, Hiroshi Kitagaito, Kazuo Taguchi, Hitoshi Takaya
  • Patent number: 6831056
    Abstract: A process for efficiently preparing fine zeolite particles comprising synthesizing zeolite in the presence of an alkaline earth metal-containing compound and/or with controlling the preparation process of zeolite, thereby giving fine zeolite particles being composed of crystalline aluminosilicate, the fine zeolite particles having a fine average primary particle size, being excellent in the cationic exchange properties and the oil-absorbing ability, having a fine average aggregate particle size, and being excellent in the dispersibility; fine zeolite particles obtainable by the above process; and a detergent composition comprising the fine zeolite particles, the detergent composition being excellent in the detergency.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: December 14, 2004
    Assignee: Kao Corporation
    Inventors: Kazuo Oki, Hiroji Hosokawa, Mikio Sakaguchi, Hiroshi Kitagaito, Kazuo Taguchi, Hitoshi Takaya
  • Patent number: 6773693
    Abstract: A fine A-type zeolite particle having an average primary particle size of 0.1 &mgr;m or less and a variation coefficient of 90% or less, wherein a ratio of a peak area above a background level to all peak are in the range of 2&thgr;=20° to 40° in a powder X-ray diffraction spectrum of said fine A-type zeolite particle is 30% or more; a process for preparing the fine A-type zeolite particle, comprising reacting a silica source with an aluminum source in the presence of an organic compound having an oxygen-containing functional group and a molecular weight of 100 or more; and a detergent composition comprising a surfactant and the fine A-type zeolite particle. The fine zeolite particle is suitably used for detergent builders, water treatment agents, fillers for paper, resin fillers, oxygen-nitrogen separating agents, adsorbents, catalyst carriers, soil improvers for gardening, polishing agents, and the like.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: August 10, 2004
    Assignee: Kao Corporation
    Inventors: Hiroji Hosokawa, Kazuo Oki
  • Publication number: 20040018146
    Abstract: A fine A-type zeolite particle having an average primary particle size of 0.1 &mgr;m or less and a variation coefficient of 90% or less, wherein a ratio of a peak area above a background level to all peak are in the range of 2&thgr;=20° to 40° in a powder X-ray diffraction spectrum of said fine A-type zeolite particle is 30% or more; a process for preparing the fine A-type zeolite particle, comprising reacting a silica source with an aluminum source in the presence of an organic compound having an oxygen-containing functional group and a molecular weight of 100 or more; and a detergent composition comprising a surfactant and the fine A-type zeolite particle. The fine zeolite particle is suitably used for detergent builders, water treatment agent, fillers for paper, resin fillers, oxygen-nitrogen separating agents, adsorbents, catalyst carriers, soil improvers for gardening, polishing agents, and the like.
    Type: Application
    Filed: August 9, 2002
    Publication date: January 29, 2004
    Inventors: Hiroji Hosokawa, Kazuo Oki
  • Patent number: 6537962
    Abstract: The present invention pertains to a composite powder comprising (A) an alkali metal silicate particle having an average particle size of from 1 to 500 &mgr;m; and (B) a water-soluble salt particle having an average particle size of from 0.01 to 50 &mgr;m, of which solubility to water at 20° C. is 1 g/100 g or more, wherein the alkali metal silicate particle has a composition formula in an anhydride form represented by: xM2O.ySiO2.zMeO (I) wherein M stands for Na and/or K; Me stands for Ca and/or Mg; y/x is from 0.5 to 4.0; z/x is from 0 to 1.0; and Mg/Ca in MeO is from 0 to 10, and wherein the composite powder has a (A)/(B) weight ratio of from 1/9 to 99/1; and a detergent composition comprising the composite powder. The composite powder is a composite powder having a remarkably enhanced storage stability of the alkali metal silicate without impairing the ion exchange capacity owned by the alkali metal silicate.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: March 25, 2003
    Assignee: Kao Corporation
    Inventors: Kazuo Oki, Takashi Miyaji, Kazuhiro Otsuka, Mikio Sakaguchi
  • Publication number: 20020123450
    Abstract: Base particles for supporting a surfactant, obtainable by a step of spray-drying a slurry comprising (A) a zeolite having an average aggregate particle diameter of 15 &mgr;m or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less, (B) a water-soluble polymer; (C) a water-soluble salt, and (D) a surfactant in an amount of 5% by weight or less of the slurry; detergent particles comprising the base particles; and a zeolite for a laundry detergent, wherein the zeolite has an average aggregate particle diameter of 15 &mgr;m or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less; and a process for preparing base particles for supporting a surfactant, comprising a step of spray-drying a slurry comprising a zeolite (A) having an average aggregate particle diameter of 15 &mgr;m or less and a variation coefficient of a distribution of an aggregate particle diameter of 29% or less, a water-soluble polymer (B), a water-soluble
    Type: Application
    Filed: December 18, 2001
    Publication date: September 5, 2002
    Inventors: Kazuo Oki, Hiroji Hosokawa, Shu Yamaguchi, Kimihiro Mizusawa