Patents by Inventor Tadanori Yoshimura

Tadanori Yoshimura 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: 20210087341
    Abstract: A method for manufacturing a thermoplastic resin composition enabling easy control of the weight average molecular weight of a thermoplastic resin used in a soluble three-dimensional modeling support material, the support material having sufficient strength even when used in the manufacture of a three-dimensional object by an FDM system 3D printer, being less colored with excellent appearance quality, and having a high dissolution speed in neutral water and quickly removable from a precursor of the three-dimensional object without using a strong alkaline aqueous solution; and the thermoplastic resin having dicarboxylic acid monomer units derived from a dicarboxylic acid component and having a proportion of an aromatic dicarboxylic acid monomer unit derived from a sulfonic acid group and/or sulfonate group-containing aromatic dicarboxylic acid component in the dicarboxylic acid monomer units of 10 mol % or more; the method including mixing an organic salt compound represented by formula (I): (R1—SO3?)nXn+??(
    Type: Application
    Filed: July 13, 2018
    Publication date: March 25, 2021
    Applicant: Kao Corporation
    Inventors: Hiroki SAWADA, Tadanori YOSHIMURA, Tomoya TSUBOI, Jouji HIRAI, Akihiro ONOUE
  • Patent number: 10954378
    Abstract: The soluble material for three-dimensional modeling of the present invention is a soluble material for three-dimensional modeling that is used as a material of a support material that supports a three-dimensional object when manufacturing the three-dimensional object with a fused deposition modeling type 3D printer. The soluble material for three-dimensional modeling contains at least one polymer and at least one filler. In the soluble material for three-dimensional modeling, the filler is a fibrous filler having a fiber length of 0.02 ?m to 1,000 ?m and a fiber diameter of 0.0001 ?m to 20 ?m and/or a flat filler having a particle size of 0.1 ?m to 20 ?m and a thickness of 0.01 ?m to 10 ?m. The content of the filler is 0.01 part by mass to 200 parts by mass with respect to 100 parts by mass of the polymer.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: March 23, 2021
    Assignee: KAO CORPORATION
    Inventors: Tadanori Yoshimura, Takuma Kimura
  • Publication number: 20210054541
    Abstract: A method for producing shortened anionically modified cellulose fibers having an average fiber length of 1 ?m or more and 500 ?m or less, the method including cleaving sugar chains of anionically modified cellulose fibers by thermal decomposition under temperature conditions of 50° C. or higher and 230° C. or lower, wherein the average fiber length of the anionically modified cellulose fibers is 700 ?m or more and 10000 ?m or less. By the use of shortened anionically modified cellulose fibers or the like obtained by the method for production of the present invention, a dispersion containing fine cellulose fibers having a low viscosity and excellent handling property can be prepared while at a high concentration, so that the dispersion can be suitably used in various industrial applications such as daily sundries, household electric appliance parts, packaging materials for household electric appliances, automobile parts, and materials for three-dimensional modeling.
    Type: Application
    Filed: June 6, 2019
    Publication date: February 25, 2021
    Applicant: KAO CORPORATION
    Inventors: Shunsuke FUKUI, Yutaka YOSHIDA, Kyohei YAMATO, Junnosuke SAITO, Takuya MORIOKA, Tadanori YOSHIMURA, Takuma TSUBOI
  • Publication number: 20200263046
    Abstract: A soluble material for three-dimensional modeling according to the present invention is a soluble material for three-dimensional modeling that is used as a material of a support material for supporting a three-dimensional object when the three-dimensional object is manufactured by a 3D printer of an FDM system, in which the soluble material for three-dimensional modeling contains a copolymer ? having a vinyl monomer unit A that has a hydrophilic group, and having a vinyl monomer unit B that has a group interacting with the hydrophilic group and is other than the vinyl monomer unit A. The soluble material for three-dimensional modeling according to the present invention is capable of providing a method for manufacturing a three-dimensional object.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 20, 2020
    Applicant: KAO CORPORATION
    Inventor: Tadanori YOSHIMURA
  • Patent number: 10738142
    Abstract: The soluble material for three-dimensional modeling that is used as a material of a support material that supports a three-dimensional object when manufacturing the three-dimensional object with a fused deposition modeling type 3D printer. The soluble material for three-dimensional modeling includes at least one copolymer comprising a specific hydrophilic monomer unit and a specific hydrophobic monomer unit. The present invention has a glass transition temperature suitable for the FDM system, has a high dissolution rate in an alkaline aqueous solution, can be quickly removed from a precursor of a three-dimensional object, and makes it possible to suppress or reduce damage to a three-dimensional object.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: August 11, 2020
    Assignee: KAO CORPORATION
    Inventors: Tadanori Yoshimura, Takuma Kimura, Jouji Hirai
  • Patent number: 10717227
    Abstract: A soluble material for three-dimensional modeling, which is used as a raw material of a support material for supporting a three-dimensional object when the three-dimensional object is produced, using a 3D printer of a FDM system, includes a polyester resin including one or more aromatic dicarboxylic acid monomer units A with a sulfonate group, one or more dicarboxylic acid monomer units B without a sulfonate group, and one or more diol monomer units. The proportion of the aromatic dicarboxylic acid monomer unit(s) A in the total of all dicarboxylic acid monomer units is from 10 to 70 mol %. The soluble material has hygroscopicity resistance while the material is large in dissolution rate into any neutral water and removable speedily from a precursor of the three-dimensional object without using any aqueous strong alkaline solution.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 21, 2020
    Assignee: KAO CORPORATION
    Inventors: Hiroki Sawada, Tadanori Yoshimura, Jouji Hirai, Takuma Kimura
  • Publication number: 20200157276
    Abstract: The present invention is a composition of an agent for treating a precursor of a three-dimensional object for removing a support material from a precursor of the three-dimensional object containing a three-dimensional object and the support material, the composition containing water and a water-soluble compound having a solubility parameter (SP value) calculated by using the Fedors' method of 8 (cal/cm3)1/2 to 13 (cal/cm3)1/2. The present invention can provide a composition of an agent for treating a precursor of a three-dimensional object that is capable of removing the support material quickly and a method for manufacturing a three-dimensional object using the composition of an agent for treating a precursor of a three-dimensional object by a fused deposition modeling system.
    Type: Application
    Filed: July 25, 2017
    Publication date: May 21, 2020
    Applicant: KAO CORPORATION
    Inventors: Tadanori YOSHIMURA, Hiroki SAWADA, Akihiro ONOUE
  • Publication number: 20200055232
    Abstract: The present invention is a soluble material for three-dimensional modeling that is used as a material of a support material for supporting a three-dimensional object when the three-dimensional object is manufactured by a 3D printer of a fused deposition modeling system and that contains a thermoplastic resin having a hydrophilic group and an organic salt compound represented by a general formula (I) below: (R1-SO3?)nXn+ (I). According to the present invention, it is possible to provide a soluble material for three-dimensional modeling that is used for a support material and that is capable of suppressing the degradation of the modeling accuracy of a three-dimensional object when the three-dimensional object is manufactured by a 3D printer of a fused deposition modeling system, and has a high rate of dissolution to neutral water to be removable speedily from a precursor of the three-dimensional object without use of a strong alkaline aqueous solution.
    Type: Application
    Filed: January 25, 2018
    Publication date: February 20, 2020
    Applicant: KAO CORPORATION
    Inventors: Jouji HIRAI, Tadanori YOSHIMURA, Tomoya TSUBOI, Hiroki SAWADA
  • Publication number: 20190168447
    Abstract: The method for manufacturing a soluble material for three-dimensional modeling that is used as a material of a support material that supports a three-dimensional object when manufacturing the three-dimensional object with a 3D printer of a fused deposition modeling system, comprising a kneading step of kneading raw materials of the soluble material for three-dimensional modeling by a twin screw extruder having a screw configuration in which a ratio of a total length K of kneading discs to a total length L of an effective screw is 0.20<K/L<0.70 and in which a temperature Tmix of the raw materials of the soluble material for three-dimensional modeling in the kneading step and a glass transition temperature Tg of a base polymer contained in the raw materials of the soluble material for three-dimensional modeling satisfy a formula Tg+80(° C.)<Tmix<Tg+200(° C.).
    Type: Application
    Filed: July 25, 2017
    Publication date: June 6, 2019
    Applicant: KAO CORPORATION
    Inventors: Tomoya TSUBOI, Jouji HIRAI, Takuma KIMURA, Tadanori YOSHIMURA, Akihiro ONOUE
  • Publication number: 20190160732
    Abstract: A soluble material useful as a material of a support material supporting a three-dimensional object when manufacturing the three-dimensional object with a 3D printer of an FDM system; the soluble material contains a polyamide resin containing a hydrophilic monomer unit A having a hydrophilic group, a hydrophobic dicarboxylic acid monomer unit B, and a hydrophobic diamine monomer unit C, and a ratio of an amount of the hydrophilic monomer unit A to a total amount of monomer units in the polyamide resin is 2.5 mol % or more and less than 13.5 mol %. A soluble material useful as a support material, which is suitable for the production of a three-dimensional object by use of an FDM system and has moisture absorption resistance while the material is large in dissolution rate into any neutral water and removable speedily from a precursor of the three-dimensional object without using any aqueous strong alkaline solution.
    Type: Application
    Filed: July 24, 2017
    Publication date: May 30, 2019
    Applicant: KAO CORPORATION
    Inventors: Jouji HIRAI, Tadanori YOSHIMURA
  • Publication number: 20180142077
    Abstract: The present invention is a three-dimensional-modeling soluble material to be used as a material of a support member for supporting a three-dimensional object when the three-dimensional object is produced with a 3D printer that employs a fused deposition modeling method. The three-dimensional-modeling soluble material contains a polyester resin comprising: an aromatic dicarboxylic acid monomer unit A having a sulfonic acid base; a dicarboxylic acid monomer unit B that does not have a sulfonic acid base; and a diol monomer unit, wherein the proportion of the aromatic dicarboxylic acid monomer unit A in the total of all dicarboxylic acid monomer units is 10 to 70 mol %.
    Type: Application
    Filed: April 22, 2016
    Publication date: May 24, 2018
    Applicant: KAO CORPORATION
    Inventors: Takuma KIMURA, Tadanori YOSHIMURA
  • Publication number: 20180009160
    Abstract: A soluble material for three-dimensional modeling, which is used as a raw material of a support material for supporting a three-dimensional object when the three-dimensional object is produced, using a 3D printer of a FDM system, includes a polyester resin including one or more aromatic dicarboxylic acid monomer units A with a sulfonate group, one or more dicarboxylic acid monomer units B without a sulfonate group, and one or more diol monomer units. The proportion of the aromatic dicarboxylic acid monomer unit(s) A in the total of all dicarboxylic acid monomer units is from 10 to 70 mol %. The soluble material has hygroscopicity resistance while the material is large in dissolution rate into any neutral water and removable speedily from a precursor of the three-dimensional object without using any aqueous strong alkaline solution.
    Type: Application
    Filed: February 4, 2016
    Publication date: January 11, 2018
    Applicant: KAO CORPORATION
    Inventors: Hiroki SAWADA, Tadanori YOSHIMURA, Jouji HIRAI, Takuma KIMURA
  • Publication number: 20170240675
    Abstract: The soluble material for three-dimensional modeling that is used as a material of a support material that supports a three-dimensional object when manufacturing the three-dimensional object with a fused deposition modeling type 3D printer. The soluble material for three-dimensional modeling includes at least one copolymer comprising a specific hydrophilic monomer unit and a specific hydrophobic monomer unit. The present invention has a glass transition temperature suitable for the FDM system, has a high dissolution rate in an alkaline aqueous solution, can be quickly removed from a precursor of a three-dimensional object, and makes it possible to suppress or reduce damage to a three-dimensional object.
    Type: Application
    Filed: October 2, 2015
    Publication date: August 24, 2017
    Applicant: KAO CORPORATION
    Inventors: Tadanori YOSHIMURA, Takuma KIMURA, Jouji HIRAI
  • Publication number: 20170232684
    Abstract: The soluble material for three-dimensional modeling of the present invention is a soluble material for three-dimensional modeling that is used as a material of a support material that supports a three-dimensional object when manufacturing the three-dimensional object with a fused deposition modeling type 3D printer. The soluble material for three-dimensional modeling contains at least one polymer and at least one filler. In the soluble material for three-dimensional modeling, the filler is a fibrous filler having a fiber length of 0.02 ?m to 1,000 ?m and a fiber diameter of 0.0001 ?m to 20 ?m and/or a flat filler having a particle size of 0.1 ?m to 20 ?m and a thickness of 0.01 ?m to 10 ?m. The content of the filler is 0.01 part by mass to 200 parts by mass with respect to 100 parts by mass of the polymer.
    Type: Application
    Filed: October 2, 2015
    Publication date: August 17, 2017
    Applicant: KAO CORPORATION
    Inventors: Tadanori YOSHIMURA, Takuma KIMURA
  • Patent number: 8420064
    Abstract: A hair processing composition contains an alkoxysilane (1); an organic acid; and water and has a pH in a range of from 2 to 5. A method for processing hair includes mixing while stirring the above-described hair processing composition and allowing a silanol compound (2) produced through hydrolysis of the alkoxysilane (1) represented by general formula (1) to penetrate into the hair. A method for processing hair further includes applying to hair an acidic aqueous solution or an alkaline aqueous solution after the silanol compound (2) has penetrated into the hair to accelerate the polymerization of the silanol compound. R1pSi(OR2)4-p??(1) R1pSi(OH)n(OR2)4-p-n??(2) wherein R1 and R2 represent a C1-C6 alkyl group or a C2-C6 alkenyl group, p represents an integer of from 0 to 3, and n represents an integer of not less than 1 and not more than (4?p).
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: April 16, 2013
    Assignee: Kao Corporation
    Inventors: Masanori Takai, Tadanori Yoshimura, Kazuhisa Fukuhara, Takao Shinozaki
  • Publication number: 20100254930
    Abstract: A hair processing composition contains an alkoxysilane (1); an organic acid; and water and has a pH in a range of from 2 to 5. A method for processing hair includes mixing while stirring the above-described hair processing composition and allowing a silanol compound (2) produced through hydrolysis of the alkoxysilane (1) represented by general formula (1) to penetrate into the hair. A method for processing hair further includes applying to hair an acidic aqueous solution or an alkaline aqueous solution after the silanol compound (2) has penetrated into the hair to accelerate the polymerization of the silanol compound. R1pSi(OR2)4?p ??(1) R1pSi(OH)n(OR2)4?p?n ??(2) wherein R1 and R2 represent a C1-C6 alkyl group or a C2-C6 alkenyl group, p represents an integer of from 0 to 3, and n represents an integer of not less than 1 and not more than (4?p).
    Type: Application
    Filed: June 21, 2010
    Publication date: October 7, 2010
    Applicant: KAO CORPORATION
    Inventors: Masaki TAKAI, Tadanori YOSHIMURA, Kazuhisa FUKUHARA, Takao SHINOZAKI
  • Publication number: 20100035791
    Abstract: The present invention relates to a treatment composition for textile products for use in a drying machine, which contains weight-average molecular weight of 500,000 to 10,000,000 and a method of treatment of textile products, including subjecting textile products treated with the treatment composition for textile products to heat treatment in a heating-type drying machine.
    Type: Application
    Filed: October 2, 2007
    Publication date: February 11, 2010
    Applicant: Kao Corporation
    Inventors: Takako Igarashi, Nobuyuki Ogura, Tadanori Yoshimura, Keigo Suzuki
  • Publication number: 20070218028
    Abstract: A hair processing composition contains an alkoxysilane (1); an organic acid; and water and has a pH in a range of from 2 to 5. A method for processing hair includes mixing while stirring the above-described hair processing composition and allowing a silanol compound (2) produced through hydrolysis of the alkoxysilane (1) represented by general formula (1) to penetrate into the hair. A method for processing hair further includes applying to hair an acidic aqueous solution or an alkaline aqueous solution after the silanol compound (2) has penetrated into the hair to accelerate the polymerization of the silanol compound. R1pSi(OR2)4?p ??(1) R1pSi(OH)n(OR2)4?p?n ??(2) wherein R1 and R2 represent a C1-C6 alkyl group or a C2-C6 alkenyl group, p represents an integer of from 0 to 3, and n represents an integer of not less than 1 and not more than (4?p).
    Type: Application
    Filed: April 6, 2005
    Publication date: September 20, 2007
    Inventors: Masanori Takai, Tadanori Yoshimura, Kazuhisa Fukuhara, Takao Shinozaki
  • Publication number: 20030004086
    Abstract: To provide particles for supporting a surfactant which are excellent in the supporting ability (supporting capacity/supporting strength) of the liquid surfactant composition and a process for preparing the same; detergent particles prepared by using the particles for supporting a surfactant; and a detergent composition comprising the detergent particles. According to the present invention, there are provided particles for supporting a surfactant having excellent supporting abilities (supporting capacity/supporting strength) of a surfactant composition; detergent particles having high quality and high deterging performance, and further having excellent hue; and a detergent composition comprising the detergent particles.
    Type: Application
    Filed: April 1, 2002
    Publication date: January 2, 2003
    Inventors: Shuji Takana, Shu Yamaguchi, Fumihiko Nakamura, Shouji Tanaka, Tadanori Yoshimura, Hitoshi Takaya
  • Patent number: 6069216
    Abstract: A cationic group-containing copolymer is provided which possesses excellent thixotropy and exhibits high adsorbability to the skin, hair, etc. and, when incorporated as a thickener in cosmetic articles, manifests a very satisfactory tactile sensation. The cationic group-containing copolymer is characterized in that the viscosity at 25.degree. C. of the aqueous solution prepared by incorporating the copolymer in deionized water at a concentration of 0.5 wt. % is in the range of 0.3-20 Pa.multidot.sec. at a shear rate of 1 sec.sup.-1 and in the range of 0.01-5 Pa.multidot.sec. at a shear rate of 10 sec.sup.-1 and the viscosity at a shear rate of 1 sec.sup.-1 is higher than the viscosity at a shear rate of 10 sec.sup.-1.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: May 30, 2000
    Assignee: Kao Corporation
    Inventors: Masaki Iwasaki, Tadanori Yoshimura, Takashi Matsuo, Koji Yui