Patents by Inventor Wataru Kakuno

Wataru Kakuno 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: 9074057
    Abstract: The present invention provides a resin film which is excellent in various properties such as heat resistance, printability, mechanical strength, moisture absorption resistance, film-forming property and flexibility and can be suitably used in the printing applications. There is provided a printing film obtained by molding a thermoplastic resin composition (I) comprising 100 parts by mass in total of a mixed resin comprising 25 to 75% by mass of a rubber-modified styrene-based resin (A) and 25 to 75% by mass of a polyamide-based resin (B). The component (A) comprises a graft copolymer obtained by polymerizing a vinyl-based monomer in the presence of a rubber polymer, or a mixture comprising the graft copolymer and a (co)polymer of the vinyl-based monomer. The vinyl-based monomer comprises an aromatic vinyl compound and a cyanided vinyl compound, and further comprises a functional group-containing vinyl-based monomer in an amount of 0.1 to 1.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: July 7, 2015
    Assignee: TECHNO POLYMER CO., LTD.
    Inventors: Masanori Hashimoto, Atsushi Watanabe, Wataru Kakuno
  • Publication number: 20130037098
    Abstract: The infrared reflective layered product can reflect infrared radiation with certain wavelengths to prevent heat accumulation and, at the same time, has excellent heat resistance. The infrared reflective layered product comprises a layer (B) as a base layer, a layer (A) layered on one side of the layer (B), and a layer (C) layered on the other side of the layer (B).
    Type: Application
    Filed: August 13, 2012
    Publication date: February 14, 2013
    Applicant: Techno Polymer Co., Ltd
    Inventors: Atsushi Watanabe, Masanori Hashimoto, Wataru Kakuno
  • Patent number: 8339700
    Abstract: The infrared reflective layered product can reflect infrared radiation with certain wavelengths to prevent heat accumulation while exhibiting excellent heat resistance. The product includes a base layer (B), a layer (A) layered on one side of the layer (B), and a layer (C) layered on the other side of the layer (B). Layer (A) is a colored resin layer which has an absorptance of a light with a wavelength of 800-1400 nm of not more than 10%. Layer (B) is a thermoplastic resin layer which shows a dimensional change (s) satisfying 1%?s??1% when left at 150° C. for 30 min. Layer C is a colored resin layer having a reflectance of a light with a wavelength of 400-1400 nm of not less than 50%. The product may also include a water vapor barrier layer (D).
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: December 25, 2012
    Assignee: Techno Polymer Co., Ltd
    Inventors: Atsushi Watanabe, Masanori Hashimoto, Wataru Kakuno
  • Patent number: 8221892
    Abstract: The objective of the present invention is to provide a rubber-reinforced resin which, when formed into a molded article, can prevent contamination or soiling of an article contacted with the molded article or a device on the periphery of the molded article and is excellent in impact resistance and transparency, and an anti-static resin composition which is excellent in impact resistance and anti-static properties. The present rubber-reinforced resin comprises a rubber-reinforced copolymeric resin produced by polymerization of 20 to 95 parts by mass of monomer components comprising methyl methacrylate, an aromatic vinyl compound and a cyanidated vinyl compound in the presence of a rubbery polymer having a predetermined volume-average particle diameter, or comprises a mixture of the rubber-reinforced copolymeric resin and a copolymer of the above-mentioned monomer components.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: July 17, 2012
    Assignee: Techno Polymer Co., Ltd.
    Inventors: Norifumi Sumimoto, Wataru Kakuno
  • Patent number: 8183323
    Abstract: A molding material and a molded article for laser welding are provided, which comprise a thermoplastic resin (A) comprising a rubber-reinforced resin (A1) obtained by polymerizing a vinyl monomer in a presence of a rubber-like polymer (a), or a composition (A2) of the rubber-reinforced resin (A1) and a (co)polymer (b) of a vinyl monomer, and which have a light transmittance at a wavelength of 808 nm in a range of 5% or higher when molded into a 4 mm-thick sample piece. The rubber-like polymer (a) dispersed in the thermoplastic resin (A) preferably has a weight average particle size of 50 to 220 nm, and preferably comprises particles of 300 nm or larger in diameter in an amount of 0 to 20 wt % relative to 100 wt % of the component (a). A laser light can transmit the molding material and the molded article, and allow the molding material and the molded article to be laser-welded with various resin moldings.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: May 22, 2012
    Assignee: Techno Polymer Co., Ltd.
    Inventors: Ryoichi Motoshige, Wataru Kakuno
  • Patent number: 8076415
    Abstract: A molding material and a molded article for laser welding are provided, which comprise a thermoplastic resin (A) comprising a rubber-reinforced resin (A1) obtained by polymerizing a vinyl monomer in a presence of a rubber-like polymer (a), or a composition (A2) of the rubber-reinforced resin (A1) and a (co)polymer (b) of a vinyl monomer, and which have a light transmittance at a wavelength of 808 nm in a range of 5% or higher when molded into a 4 mm-thick sample piece. The rubber-like polymer (a) dispersed in the thermoplastic resin (A) preferably has a weight average particle size of 50 to 220 nm, and preferably comprises particles of 300 nm or larger in diameter in an amount of 0 to 20 wt % relative to 100 wt % of the component (a). A laser light can transmit the molding material and the molded article, and allow the molding material and the molded article to be laser-welded with various resin moldings.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: December 13, 2011
    Assignee: Techno Poly,er Co., Ltd.
    Inventors: Ryoichi Motoshige, Wataru Kakuno
  • Publication number: 20110300373
    Abstract: A molding material and a molded article for laser welding are provided, which comprise a thermoplastic resin (A) comprising a rubber-reinforced resin (A1) obtained by polymerizing a vinyl monomer in a presence of a rubber-like polymer (a), or a composition (A2) of the rubber-reinforced resin (A1) and a (co)polymer (b) of a vinyl monomer, and which have a light transmittance at a wavelength of 808 nm in a range of 5% or higher when molded into a 4 mm-thick sample piece. The rubber-like polymer (a) dispersed in the thermoplastic resin (A) preferably has a weight average particle size of 50 to 220 nm, and preferably comprises particles of 300 nm or larger in diameter in an amount of 0 to 20 wt % relative to 100 wt % of the component (a). A laser light can transmit the molding material and the molded article, and allow the molding material and the molded article to be laser-welded with various resin moldings.
    Type: Application
    Filed: August 12, 2011
    Publication date: December 8, 2011
    Applicant: Techno Polymer Co., Ltd.
    Inventors: Ryoichi MOTOSHIGE, Wataru KAKUNO
  • Publication number: 20110043901
    Abstract: This invention provides an infrared reflective layered product, particularly a back sheet for solar cells, which, even when it has a black colored or chromatically colored appearance, can reflect infrared radiation with certain wavelengths to prevent heat accumulation and, at the same time, has excellent heat resistance. The infrared reflective layered product comprises the following layer (B) as a base layer, the following layer (A) layered on one side of the layer (B), and the following layer (C) layered on the other side of the layer (B). Layer (A): a colored resin layer which has an absorptance of a light with a wavelength of 800-1400 nm of not more than 10%. Layer (B): a thermoplastic resin layer which shows a dimensional change (s) satisfying 1%?s??1% when left at 150° C. for 30 minutes. Layer C: a colored resin layer having a reflectance of a light with a wavelength of 400-1400 nm of not less than 50%.
    Type: Application
    Filed: October 23, 2008
    Publication date: February 24, 2011
    Applicant: TECHNO POLYMER CO., LTD.
    Inventors: Atsushi Watanabe, Masanori Hashimoto, Wataru Kakuno
  • Publication number: 20110039080
    Abstract: The present invention provides a resin film which is excellent in various properties such as heat resistance, printability, mechanical strength, moisture absorption resistance, film-forming property and flexibility and can be suitably used in the printing applications. There is provided a printing film obtained by molding a thermoplastic resin composition (I) comprising 100 parts by mass in total of a mixed resin comprising 25 to 75% by mass of a rubber-modified styrene-based resin (A) and 25 to 75% by mass of a polyamide-based resin (B). The component (A) comprises a graft copolymer obtained by polymerizing a vinyl-based monomer in the presence of a rubber polymer, or a mixture comprising the graft copolymer and a (co)polymer of the vinyl-based monomer. The vinyl-based monomer comprises an aromatic vinyl compound and a cyanided vinyl compound, and further comprises a functional group-containing vinyl-based monomer in an amount of 0.1 to 1.
    Type: Application
    Filed: February 27, 2009
    Publication date: February 17, 2011
    Inventors: Masanori Hashimoto, Atsushi Watanabe, Wataru Kakuno
  • Publication number: 20100189975
    Abstract: A layered product is provided which is excellent in heat resistance, difficult to hydrolyze and excellent in weatherability, and has such flexibility that it can hardly crack even when folded, and further is prevented from curling, and thus is excellent in processability, productivity and handleability. The layered product comprises a base layer made of a thermoplastic resin (I) having a glass transition temperature of 120° C. or higher, the base layer being layered on at least one side thereof with a layer made of an aromatic vinyl resin (II) having a lower glass transition temperature than the thermoplastic resin (I). The aromatic vinyl resin (II) is preferably a rubber-reinforced aromatic vinyl resin which contains a rubber-like polymer (a) selected from ethylene-?-olefin rubbers, hydrogenated conjugated diene rubbers, acrylic rubbers, silicone rubbers and silicone/acrylic composite rubbers in an amount of 5-40 parts by mass.
    Type: Application
    Filed: July 29, 2008
    Publication date: July 29, 2010
    Applicant: TECHNO POLYMER CO., LTD.
    Inventors: Wataru Kakuno, Atsushi Watanabe, Masanori Hashimoto
  • Publication number: 20100016507
    Abstract: The objective of the present invention is to provide a thermoplastic resin capable of producing a thin-walled article such as a film, a sheet and a bag stably by extrusion such as calender molding, and of leading to a thin-walled article wherein an undesirable phenomenon due to flow marks generated on the surface is improved and which is excellent in whitening resistance upon bending, and the like, and a method for the production thereof, a molded article and a composite article comprising thereof. The present thermoplastic resin comprises an acryl-based rubbery polymer reinforced resin having a graft ratio of 80% to 170%, a number-average particle diameter of an acryl-based rubbery polymer of 60 to 150 nm, an intrinsic viscosity of a component dissolved by acetonitrile of 0.4 to 0.
    Type: Application
    Filed: June 1, 2006
    Publication date: January 21, 2010
    Applicant: Techno Polymer Co., Ltd.
    Inventors: Norifumi Sumimoto, Wataru Kakuno, Tetsuya Kubota, Atsushi Watanabe, Toshio Oohama, Takeshi Watanabe
  • Publication number: 20090104466
    Abstract: The objective of the present invention is to provide a rubber-reinforced resin which, when formed into a molded article, can prevent contamination or soiling of an article contacted with the molded article or a device on the periphery of the molded article and is excellent in impact resistance and transparency, and an anti-static resin composition which is excellent in impact resistance and anti-static properties. The present rubber-reinforced resin comprises a rubber-reinforced copolymeric resin produced by polymerization of 20 to 95 parts by mass of monomer components comprising methyl methacrylate, an aromatic vinyl compound and a cyanidated vinyl compound in the presence of a rubbery polymer having a predetermined volume-average particle diameter, or comprises a mixture of the rubber-reinforced copolymeric resin and a copolymer of the above-mentioned monomer components.
    Type: Application
    Filed: August 23, 2006
    Publication date: April 23, 2009
    Applicant: Techno Polymer Co., Ltd.
    Inventors: Norifumi Sumimoto, Wataru Kakuno
  • Publication number: 20060155067
    Abstract: A molding material and a molded article for laser welding are provided, which comprise a thermoplastic resin (A) comprising a rubber-reinforced resin (A1) obtained by polymerizing a vinyl monomer in a presence of a rubber-like polymer (a), or a composition (A2) of the rubber-reinforced resin (A1) and a (co)polymer (b) of a vinyl monomer, and which have a light transmittance at a wavelength of 808 nm in a range of 5% or higher when molded into a 4 mm-thick sample piece. The rubber-like polymer (a) dispersed in the thermoplastic resin (A) preferably has a weight average particle size of 50 to 220 nm, and preferably comprises particles of 300 nm or larger in diameter in an amount of 0 to 20 wt % relative to 100 wt % of the component (a). A laser light can transmit the molding material and the molded article, and allow the molding material and the molded article to be laser-welded with various resin moldings.
    Type: Application
    Filed: January 29, 2004
    Publication date: July 13, 2006
    Inventors: Ryoichi Motoshige, Wataru Kakuno