Patents by Inventor Tomoya Tsuboi

Tomoya Tsuboi 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: 10787854
    Abstract: A vehicular opening/closing body control device includes: an opening drive control unit configured to control operation of a drive device configured to drive a vehicular opening/closing body to open the opening/closing body upward; a gravity descent detection unit configured to detect a descent of the opening/closing body opened upward due to gravity, a braking force imparting unit configured to impart a braking force to the opening/closing body whose descent due to gravity is detected; and an opening drive prohibition unit configured to prohibit opening drive by the drive device of the opening/closing body whose descent due to gravity is detected.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: September 29, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomoya Tsuboi, Ryo Asano
  • 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
  • Patent number: 10465063
    Abstract: A polyamide resin composition for a vibration-damping material, containing a polyamide resin, a plasticizer in an amount of from 7 to 35 parts by mass, and one or more members selected from the group consisting of plate-like fillers and acicular fillers in an amount of from 15 to 80 parts by mass, based on 100 parts by mass of the polyamide resin. The polyamide resin composition of the present invention can be suitably used as a vibration-damping material for a material for audio equipment such as, for example, speakers, television, radio cassette players, headphones, audio components, or microphones, and manufactured articles such as electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts or housing thereof.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: November 5, 2019
    Assignee: KAO CORPORATION
    Inventors: Yoshiro Oda, Tomoya Tsuboi, Yoshinori Hasegawa
  • Publication number: 20190226262
    Abstract: A vehicular opening/closing body control device includes: an opening drive control unit configured to control operation of a drive device configured to drive a vehicular opening/closing body to open the opening/closing body upward; a gravity descent detection unit configured to detect a descent of the opening/closing body opened upward due to gravity, a braking force imparting unit configured to impart a braking force to the opening/closing body whose descent due to gravity is detected; and an opening drive prohibition unit configured to prohibit opening drive by the drive device of the opening/closing body whose descent due to gravity is detected.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 25, 2019
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomoya TSUBOI, Ryo ASANO
  • 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: 20170313856
    Abstract: A polyamide resin composition for a vibration-damping material, containing a polyamide resin, a plasticizer in an amount of from 7 to 35 parts by mass, and one or more members selected from the group consisting of plate-like fillers and acicular fillers in an amount of from 15 to 80 parts by mass, based on 100 parts by mass of the polyamide resin. The polyamide resin composition of the present invention can be suitably used as a vibration-damping material for a material for audio equipment such as, for example, speakers, television, radio cassette players, headphones, audio components, or microphones, and manufactured articles such as electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts or housing thereof.
    Type: Application
    Filed: October 20, 2015
    Publication date: November 2, 2017
    Applicant: KAO CORPORATION
    Inventors: Yoshiro ODA, Tomoya TSUBOI, Yoshinori HASEGAWA
  • Publication number: 20170247527
    Abstract: A polyester resin composition for a vibration-damping material, containing a thermoplastic polyester resin constituted of a dicarboxylic acid component and a diol component (A), one or more members selected from the group consisting of plasticizers and styrene-isoprene block copolymers (B), and an inorganic filler (C). The polyester resin composition of the present invention can be suitably used as a vibration-damping material for a material for audio equipment such as, for example, speakers, television, radio cassette players, headphones, audio components, or microphones, and manufactured articles such as electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts or housing thereof.
    Type: Application
    Filed: October 20, 2015
    Publication date: August 31, 2017
    Applicant: KAO CORPORATION
    Inventors: Yoshiro ODA, Tomoya TSUBOI, Yoshinori HASEGAWA
  • Patent number: 9721555
    Abstract: A material for audio equipment housing containing a polylactic acid resin composition containing a polylactic acid resin, a plasticizer, an organic crystal nucleating agent, and an inorganic material, wherein the content of the plasticizer is from 1 to 50 parts by mass based on 100 parts by mass of the polylactic acid resin; and a vibration-damping material containing a polylactic acid resin composition containing a polylactic acid resin, a plasticizer, an organic crystal nucleating agent, and an inorganic material, wherein the content of the plasticizer is from 1 to 50 parts by mass based on 100 parts by mass of the polylactic acid resin. The material of the present invention can be suitably used as materials for audio equipment of, for example, speakers, television, radio cassette players, headphones, audio components, or microphones, and manufactured articles, such as electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts or housing thereof.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: August 1, 2017
    Assignees: KAO CORPORATION, PANASONIC CORPORATION
    Inventors: Akira Takenaka, Tomoya Tsuboi, Masahiro Mori, Yoshiro Oda, Takashi Nagashima, Suguru Nakao
  • Patent number: 9505913
    Abstract: A polylactic acid resin composition containing a polylactic acid resin, glass fibers having an average aspect ratio (average fiber length/average fiber diameter) of 5 or more, and a metallic pigment, wherein the glass fibers are contained in an amount of from 2 to 35 parts by mass, and the metallic pigment is contained in an amount of from 0.1 to 8 parts by mass, based on 100 parts by mass of the polylactic acid resin. Since the polylactic acid resin composition of the present invention has excellent moldability, and is capable of providing a molded article with high designability, including a transparent surface layer and an inner layer with a lamellar texture in the nashiji patterns, the polylactic acid resin composition can be suitably used in various industrial applications, such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: November 29, 2016
    Assignees: KAO CORPORATION, TOKAI CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomoya Tsuboi, Masahiro Mori, Mari Azumi
  • Publication number: 20160314776
    Abstract: A material for audio equipment housing containing a polylactic acid resin composition containing a polylactic acid resin, a plasticizer, an organic crystal nucleating agent, and an inorganic material, wherein the content of the plasticizer is from 1 to 50 parts by mass based on 100 parts by mass of the polylactic acid resin; and a vibration-damping material containing a polylactic acid resin composition containing a polylactic acid resin, a plasticizer, an organic crystal nucleating agent, and an inorganic material, wherein the content of the plasticizer is from 1 to 50 parts by mass based on 100 parts by mass of the polylactic acid resin. The material of the present invention can be suitably used as materials for audio equipment of, for example, speakers, television, radio cassette players, headphones, audio components, or microphones, and manufactured articles, such as electric appliances, transportation vehicles, construction buildings, and industrial equipment, or parts or housing thereof.
    Type: Application
    Filed: December 16, 2014
    Publication date: October 27, 2016
    Applicants: KAO CORPORATION, PANASONIC CORPORATION
    Inventors: Akira TAKENAKA, Tomoya TSUBOI, Masahiro MORI, Yoshiro ODA, Takashi NAGASHIMA, Suguru NAKAO
  • Publication number: 20160002443
    Abstract: A polylactic acid resin composition containing a polylactic acid resin, glass fibers having an average aspect ratio (average fiber length/average fiber diameter) of 5 or more, and a metallic pigment, wherein the glass fibers are contained in an amount of from 2 to 35 parts by mass, and the metallic pigment is contained in an amount of from 0.1 to 8 parts by mass, based on 100 parts by mass of the polylactic acid resin. Since the polylactic acid resin composition of the present invention has excellent moldability, and is capable of providing a molded article with high designability, including a transparent surface layer and an inner layer with a lamellar texture in the nashiji patterns, the polylactic acid resin composition can be suitably used in various industrial applications, such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts.
    Type: Application
    Filed: March 4, 2014
    Publication date: January 7, 2016
    Applicants: TOKAI CHEMICAL INDUSTRIES, LTD., KAO CORPORATION
    Inventors: Tomoya TSUBOI, Masahiro MORI, Mari AZUMI
  • Publication number: 20140296399
    Abstract: A method for producing a polylactic acid resin composition, including the following steps (1) and (2): step (1): subjecting an organic crystal nucleating agent to a wet pulverization in the presence of a carboxylic acid ester having a weight-average molecular weight of from 150 to 600 and a viscosity at 23° C. of from 1 to 500 mP·s and/or a phosphoric ester having a weight-average molecular weight of from 150 to 600 and a viscosity at 23° C. of from 1 to 500 mPa·s to give a finely pulverized organic crystal nucleating agent composition; and step (2): melt-kneading a raw material for a polylactic acid resin composition comprising the finely pulverized organic crystal nucleating agent composition obtained in the step (1) and a polylactic acid resin.
    Type: Application
    Filed: June 16, 2014
    Publication date: October 2, 2014
    Inventors: Tomoya TSUBOI, Akira TAKENAKA, Masahiro MORI
  • Patent number: 8785520
    Abstract: A method for producing a polylactic acid resin composition, including the following steps (1) and (2): step (1): subjecting an organic crystal nucleating agent to a wet pulverization in the presence of a carboxylic acid ester having a weight-average molecular weight of from 150 to 600 and a viscosity at 23° C. of from 1 to 500 mPa·s and/or a phosphoric ester having a weight-average molecular weight of from 150 to 600 and a viscosity at 23° C. of from 1 to 500 mPa·s to give a finely pulverized organic crystal nucleating agent composition; and step (2): melt-kneading a raw material for a polylactic acid resin composition comprising the finely pulverized organic crystal nucleating agent composition obtained in the step (1) and a polylactic acid resin.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: July 22, 2014
    Assignee: Kao Corporation
    Inventors: Tomoya Tsuboi, Akira Takenaka, Masahiro Mori
  • Publication number: 20120296017
    Abstract: A method for producing a polylactic acid resin composition, including the following steps (1) and (2): step (1): subjecting an organic crystal nucleating agent to a wet pulverization in the presence of a carboxylic acid ester having a weight-average molecular weight of from 150 to 600 and a viscosity at 23° C. of from 1 to 500 mP·s and/or a phosphoric ester having a weight-average molecular weight of from 150 to 600 and a viscosity at 23° C. of from 1 to 500 mPa·s to give a finely pulverized organic crystal nucleating agent composition; and step (2): melt-kneading a raw material for a polylactic acid resin composition comprising the finely pulverized organic crystal nucleating agent composition obtained in the step (1) and a polylactic acid resin.
    Type: Application
    Filed: January 25, 2011
    Publication date: November 22, 2012
    Inventors: Tomoya Tsuboi, Akira Takenaka, Masahiro Mori