Patents by Inventor Yasuhiro Doi

Yasuhiro Doi 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: 20130295033
    Abstract: The present invention relates to a hair cosmetic capable of giving good finger combability and manageability with no oily feeling to the hair treated therewith and dried, and to a method for producing the hair cosmetic. The hair cosmetic contains a cationized hydroxypropyl cellulose (A), an oil (B) of which the amount of dissolution in 100 g of water at 20° C. is from 0 to 1 g, and a surfactant (C), wherein the cationized hydroxypropyl cellulose (A) has an anhydroglucose-derived main chain and has a degree of substitution with cationized ethyleneoxy group of from 0.01 to 2.9 and a degree of substitution with propyleneoxy group of from 0.1 to 4.0, and the production method is for producing the hair cosmetic.
    Type: Application
    Filed: December 27, 2011
    Publication date: November 7, 2013
    Applicant: KAO CORPORATION
    Inventors: Naoyuki Yamazaki, Yasuhiro Doi, Hiroyuki Terazaki
  • Publication number: 20130296212
    Abstract: The present invention relates to a skin cleanser composition capable of providing an excellent frictional resistance feeling during rinsing and capable of giving an excellent silky feeling with moisturization to the skin after drying, and to a method for producing the composition. The skin cleanser composition contains a cat ionized hydroxypropyl cellulose (A) and a surfactant (B), and the cationized hydroxypropyl cellulose (A) has an anhydroglucose-derived main chain, and has a degree of substitution with cationized ethyleneoxy group of from 0.01 to 3.0 and a degree of substitution with propyleneoxy group of from 0.01 to 2.9.
    Type: Application
    Filed: December 27, 2011
    Publication date: November 7, 2013
    Applicant: KAO CORPORATION
    Inventors: Ryosuke Fujii, Yasuhiro Doi, Masanori Takai, Hiromoto Mizushima, Rie Tanaka
  • Patent number: 8394871
    Abstract: The present invention provides [1] a water dispersion for ink-jet printing containing chain-like particles each containing anionic organic pigment particles and a cationic polymer, wherein the ratio of organic pigment primary particles forming the chain-like particles to all the pigment primary particles contained in the water dispersion is 10% by number or more; [2] a water-based ink for ink-jet printing containing the water dispersion; [3] a method for producing a water dispersion for ink-jet printing as described above in [1]; and [4] a water-based ink for ink-jet printing containing a water dispersion produced through the method. The water dispersion and water-based ink for ink-jet printing of the present invention realize excellent optical density.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: March 12, 2013
    Assignee: KAO Corporation
    Inventors: Atsushi Hiraishi, Masayuki Narita, Takahiro Sato, Kyoichi Shirota, Yasuhiro Doi, Hiroyuki Yoshida, Yusuke Shimizu
  • Publication number: 20120230934
    Abstract: The present invention relates to a hair cosmetic composition including a surfactant and a cationized hydroxypropyl cellulose, wherein the cationized hydroxypropyl cellulose contains a main chain derived from an anhydroglucose represented by the following general formula (1) and has a cationized ethyleneoxy group substitution degree of from 0.01 to 2.5 and a propyleneoxy group substitution degree of from 0.1 to 2.8, wherein R1, R2 and R3 are each independently a substituent group including a cationized ethyleneoxy group and a propyleneoxy group; and n represents an average polymerization degree of the anhydroglucose and is a number of from 50 to 5000. The hair cosmetic composition of the present invention exhibits a less stickiness after use and is capable of imparting excellent run fingers through hair, coating feel and manageability to hair.
    Type: Application
    Filed: November 12, 2010
    Publication date: September 13, 2012
    Applicant: KAO CORPORATION
    Inventors: Yasuhiro Doi, Hiroyuki Terazaki, Masanori Takai, Hiromoto Mizushima, Yoshihiro Hasebe
  • Patent number: 8222334
    Abstract: The present invention relates to a water-based ink for ink-jet printing which not only satisfies a high optical density but also exhibits an excellent high lighter-fastness; a water dispersion used for the water-based ink; and a method for producing a print using the water-based ink. There are provided a water dispersion for ink-jet printing comprising (i) (A-1) polymer particles containing a colorant, (B) polymer particles and (C) the water-insoluble organic compound, or (ii) (A-2) self-dispersible pigment, (B) polymer particles and (C) the water-insoluble organic compound; a water-based ink containing the water dispersion; and a method for producing a print using the water-based ink.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: July 17, 2012
    Assignee: Kao Corporation
    Inventors: Yasuhiro Doi, Yasushi Ito, Nobuyuki Takizawa, Shigeki Nagashima
  • Patent number: 8188024
    Abstract: According to the present invention, provided is a surfactant composition having excellent fluidity after long-term storage at a low temperature (5 degrees Celsius) and excellent foamability when diluted. It is considered that the reason why the composition of the present invention has excellent fluidity after long-term storage at a low temperature (5 degrees Celsius) and excellent foamability when diluted is because the sulfate surfactant has a predetermined amount of oxypropylene groups, thereby suppressing crystallization.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: May 29, 2012
    Assignee: Kao Corporation
    Inventors: Masaki Inoue, Yasuhiro Doi
  • Publication number: 20110306708
    Abstract: The present invention is directed to a water dispersion for ink-jet printing which realizes sufficient optical density and exhibits excellent filterability and storage stability; a water-based ink containing the water dispersion; and a process for producing the water dispersion or the water-based ink.
    Type: Application
    Filed: December 11, 2009
    Publication date: December 15, 2011
    Applicant: KAO CORPORATION
    Inventors: Atsushi Hiraishi, Kyoichi Shirota, Yuki Wakabayashi, Yasuhiro Doi
  • Patent number: 8063007
    Abstract: The present invention relates to a removal cleaning method for a semiconductor substrate or a semiconductor device with metal wirings by using a remover composition, wherein the remover composition contains a dissolution agent having an alumina dissolution amount as measured according to the standard test (A-1) of 10 ppm or more, and an inhibitor having an aluminum etching amount as measured according to the standard test (B-1) of 7 nm or less, and the remover composition substantially does not contain a fluorine-containing compound; a method of producing a semiconductor substrate or a semiconductor device, including the step involving the removal cleaning method; and a remover composition containing a specified acid, and a specified inorganic acid salt and/or organic acid salt.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: November 22, 2011
    Assignee: Kao Corporation
    Inventors: Atsushi Tamura, Yasuhiro Doi
  • Patent number: 8048842
    Abstract: The present invention provides a thickening/foam-promoting agent having thickening/foam-promoting properties and a low odor, and a detergent composition containing the agent. The thickening/foam-promoting agent is composed of the following component (A): (A) a compound represented by the following formula (1): R1O—(PO)n/(EO)m—R2??(1), wherein R1 is a linear alkyl or an alkenyl group having 8 to 10 carbon atoms, PO is a propyleneoxy group, EO is an ethyleneoxy group, an average added molar number n is a number of 1.5 to 3.0, an average added molar number m is a number of 0 to 1.0, and R2 is a hydrogen atom or a methyl group, wherein the content of an alcohol of the formula (1), when n=0, m=0 and R2 is a hydrogen atom, is not more than 3000 ppm, and the detergent composition contains the component (A) and a surfactant (B).
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: November 1, 2011
    Assignee: Kao Corporation
    Inventors: Yasuhiro Doi, Masaki Inoue, Kaoru Omae, Yoshinori Tamura
  • Publication number: 20110263752
    Abstract: The present invention provides [1] a water dispersion for ink-jet printing containing chain-like particles each containing anionic organic pigment particles and a cationic polymer, wherein the ratio of organic pigment primary particles forming the chain-like particles to all the pigment primary particles contained in the water dispersion is 10% by number or more; [2] a water-based ink for ink-jet printing containing the water dispersion; [3] a method for producing a water dispersion for ink-jet printing as described above in [1]; and [4] a water-based ink for ink-jet printing containing a water dispersion produced through the method. The water dispersion and water-based ink for ink-jet printing of the present invention realize excellent optical density.
    Type: Application
    Filed: November 20, 2009
    Publication date: October 27, 2011
    Applicant: KAO CORPORATION
    Inventors: Atsushi Hiraishi, Masayuki Narita, Takahiro Sato, Kyoichi Shirota, Yasuhiro Doi, Hiroyuki Yoshida, Yusuke Shimizu
  • Patent number: 8039425
    Abstract: Provided is a skin or hair cleanser composition having an excellent foaming property and making a good feeling upon use available from cleansing until after drying, which comprises: from 0.2 to 20 wt. % of (A) a compound represented by the following formula (1): R1O-(AO)n—R2??(1) wherein R1 represents a straight-chain or branched alkyl or alkenyl group having from 8 to 10 carbon atoms, AO represents an alkyleneoxy group having from 2 to 4 carbon atoms, n is the number of the alkyleneoxy group and stands for a number from 0.5 to 3.5 on average, and R2 represents a hydrogen atom or a methyl group, from 5 to 60 wt. % of (B) a surfactant other than the component (A), and from 0.1 to 10 wt. % of (C) at least one of silicones and monohydric alcohols having from 15 to 28 carbon atoms.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: October 18, 2011
    Assignee: Kao Corporation
    Inventors: Masaki Inoue, Yasuhiro Doi
  • Patent number: 8022131
    Abstract: The present invention relates to a water-based ink for ink-jet printing which not only satisfies a high optical density but also exhibits excellent high lighter-fastness and gloss; and a water dispersion used for the water-based ink. There are provided a water dispersion for ink-jet printing containing (A) a self-dispersible pigment, (B) self-emulsifiable polymer particles containing a constitutional unit derived from a salt-forming group-containing monomer, and (C) emulsion polymer particles; and a water-based ink containing the water dispersion.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: September 20, 2011
    Assignee: Kao Corporation
    Inventors: Yasuhiro Doi, Yasushi Ito, Shigeki Nagashima
  • Publication number: 20110212880
    Abstract: Provided is a surfactant composition having excellent fluidity after long-term storage at a low temperature (5° C.) and excellent foamability when diluted. The surfactant composition containing the following components (A), (B) and (C), wherein the content of the component (A) is 40 to 75 wt.
    Type: Application
    Filed: December 24, 2009
    Publication date: September 1, 2011
    Inventors: Masaki Inoue, Yasuhiro Doi
  • Patent number: 7981850
    Abstract: Provided is a detergent composition that contains the following components (A), (B), and (C). Component (A) is at least one selected from the group consisting of cationic polymers and amphoteric polymers. Component (B) is a compound represented by the following formula (1): R1O-(AO)n-R2 wherein R1 represents a linear or branched alkyl or alkenyl group having from 8 to 10 carbon atoms, AO represents an alkyleneoxy group having from 2 to 4 carbon atoms, n means an average number of moles and stands for from 0.5 to 4, and R2 represents a hydrogen atom or a methyl group. Component (C) is at least one selected from the group consisting of amphoteric surfactants and cationic surfactants. The detergent composition has a content of Component (A) from 5 to 40 wt. % and has Component (B) and Component (C) at a weight ratio (B)/(C) of from 0.5 to 2.5.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: July 19, 2011
    Assignee: Kao Corporation
    Inventors: Yasuhiro Doi, Masaki Inoue
  • Publication number: 20110152442
    Abstract: The present invention relates to a water-based ink for ink-jet printing which not only satisfies a high optical density but also exhibits an excellent high lighter-fastness; a water dispersion used for the water-based ink; and a method for producing a print using the water-based ink. There are provided a water dispersion for ink-jet printing comprising (i) (A-1) polymer particles containing a colorant, (B) polymer particles and (C) the water-insoluble organic compound, or (ii) (A-2) self-dispersible pigment, (B) polymer particles and (C) the water-insoluble organic compound; a water-based ink containing the water dispersion; and a method for producing a print using the water-based ink.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Applicant: KAO CORPORATION
    Inventors: Yasuhiro Doi, Yasushi Ito, Nobuyuki Takizawa, Shigeki Nagashima
  • Patent number: 7951762
    Abstract: A skin or hair washing composition having excellent foamability and a good feeling upon use in the process from washing to after drying, which comprises: the following components (A), (B) and (C): (A) a compound represented by formula (1): R1O-(AO)n—R2??(1) (B) a surfactant other than the component (A); and (C) a cationic polymer, wherein the weight ratio of the component (A) and the component (C), (A)/(C), is from 0.5 to 60.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: May 31, 2011
    Assignee: Kao Corporation
    Inventors: Yasuhiro Doi, Masaki Inoue
  • Patent number: 7947638
    Abstract: A sulfur-containing detergent composition for cleaning a semiconductor device having an aluminum wire, wherein the sulfur-containing detergent composition is capable of forming a protective film containing a sulfur atom on a surface of an aluminum film in a protective film-forming test; a semiconductor device comprising a protective film containing a sulfur atom on a surface of an aluminum wire, wherein sulfur atom is contained within a region of at least 5 nm in its thickness direction from the surface of the protective film; and method for manufacturing a semiconductor device, comprising the step of contacting an aluminum wire of the semiconductor device with the sulfur-containing detergent composition as defined above, thereby forming a sulfur-containing protective film on the surface of the aluminum wire. The semiconductor device can be suitably used in the manufacture of electronic parts such as LCD, memory and CPU.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: May 24, 2011
    Assignee: Kao Corporation
    Inventors: Atsushi Tamura, Yasuhiro Doi
  • Publication number: 20100249003
    Abstract: Provided is a detergent composition capable of readily incorporating therein a cationic polymer in high concentration, having good storage stability, and providing excellent foamability and feeling upon use. The detergent composition containing the following components (A), (B), and (C): (A) at least one selected from the group consisting of cationic polymers and amphoteric polymers; (B) a compound represented by the following formula (1): R1O-(AO)n—R2??(1) wherein R1 represents a linear or branched alkyl or alkenyl group having from 8 to 10 carbon atoms, AO represents an alkyleneoxy group having from 2 to 4 carbon atoms, n means an average number of moles and stands for from 0.5 to 4, and R2 represents a hydrogen atom or a methyl group; and (C) at least one selected from the group consisting of amphoteric surfactants and cationic surfactants, and the detergent composition having a content of Component (A) from 5 to 40 wt.
    Type: Application
    Filed: December 27, 2007
    Publication date: September 30, 2010
    Inventors: Yasuhiro Doi, Masaki Inoue
  • Patent number: 7803852
    Abstract: The present invention relates to a water-based ink for ink-jet printing which not only satisfies a high optical density but also exhibits an excellent high lighter-fastness; and a water dispersion used for the water-based ink. There are provided a water dispersion for ink-jet printing containing (A) a pigment and (B) water-insoluble polymer particles produced by polymerizing an ethylenically unsaturated monomer containing 25 to 85% by weight of an aromatic group-containing monomer in the presence of a reactive surfactant; and a water-based ink containing the water dispersion.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: September 28, 2010
    Assignee: Kao Corporation
    Inventors: Yasuhiro Doi, Yasushi Ito
  • Publication number: 20100222246
    Abstract: A skin or hair washing composition having excellent foamability and a good feeling upon use in the process from washing to after drying, is provided. A skin or hair washing composition, comprising the following components (A), (B) and (C): (A) a compound represented by formula (1): R1O-(AO)n—R2??(1) (B) a surfactant other than the component (A); and (C) a cationic polymer, wherein the weight ratio of the component (A) and the component (C), (A)/(C), is from 0.5 to 60.
    Type: Application
    Filed: October 31, 2006
    Publication date: September 2, 2010
    Applicant: Kao Corporation
    Inventors: Yasuhiro Doi, Masaki Inoue