Patents by Inventor Yukio Tomari

Yukio Tomari 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: 6365654
    Abstract: This invention provides transparent resin compositions with excellent near infrared absorption characteristics comprising 100 parts by weight of a transparent thermoplastic resin, about 0.01 to about 2 parts by weight of a specific copper dithiocarbamate compound, and about 0 to about 2 parts by weight of a specific copper compound.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: April 2, 2002
    Assignee: Sumitomo Dow Limited
    Inventors: Yukio Tomari, Naoyoshi Kawamoto
  • Publication number: 20020019468
    Abstract: This invention provides transparent resin compositions of polycarbonate, polyester, methacrylic, styrene, polyvinyl chloride, polyolefin, and polyamide resin, having the advantageous effects of efficiently absorbing near infrared radiation (780-1800 nm) and efficiently transmitting visible light (380-780 nm).
    Type: Application
    Filed: August 2, 2001
    Publication date: February 14, 2002
    Inventors: Yukio Tomari, Naoyoshi Kawamoto
  • Patent number: 6291585
    Abstract: This invention provides transparent resin compositions of polycarbonate, polyester, methacrylic, styrene, polyvinyl chloride, polyolefin, and polyamide resin, having the advantageous effects of efficiently absorbing near infrared radiation (780-1800 nm) and efficiently transmitting visible light (380-780 nm). The invention provides transparent resin compositions with excellent near infrared absorption characteristics comprising 100 parts by weight of a transparent thermoplastic resin, about 0.01 to about 2 parts by weight of a specific thiuram compound and/or a specific metal dithiocarbamate compound, and about 0.01 to about 2 parts by weight of a specific copper compound. It also provides transparent resin compositions with excellent near infrared absorption characteristics comprising 100 parts by weight of a transparent thermoplastic resin, about 0.01 to about 2 parts by weight of a specific copper dithiocarbamate compound, and about 0 to about 2 parts by weight of a specific copper compound.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: September 18, 2001
    Assignee: Sumitomo Dow Limited
    Inventors: Yukio Tomari, Naoyoshi Kawamoto
  • Patent number: 4419491
    Abstract: A thermoplastic resin composition with excellent color development which comprises (A) a graft polymer comprising an ethylene-propylene elastomeric polymer and units of at least two kinds of monomers chosen from aromatic vinyl compounds, vinyl cyanide compounds and other copolymerizable monomers grafted thereon, and if necessary, (A') a copolymer comprising units of at least two kinds of monomers chosen from aromatic vinyl compounds, vinyl cyanide compounds and other copolymerizable monomers in an amount of not more than 95% by weight based on the combined weight of the graft polymer (A) and the copolymer (A'), with (B) a methyl methacrylate polymer, the proportion of the combined weight of the graft polymer (A) and the copolymer (A') and the weight of the methyl methacrylate polymer being from 5:95 to 95:5.
    Type: Grant
    Filed: February 23, 1982
    Date of Patent: December 6, 1983
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Fumio Nakai, Yukio Tomari
  • Patent number: 4373063
    Abstract: An elastomeric composition having excellent properties such as excellent heat aging characteristics, dimensional stability, processability, fabrication qualities, hydrolytic resistance, yellowing resistance, and weatherability, which comprises(A) a graft polymer of a rubbery copolymer consisting predominantly ethylene-propylene with at least two groups of the monomers selected from an aromatic vinyl compound, an ethylenically unsaturated nitrile and a methacrylic acid ester, and(B) a polymer selected from a thermoplastic polyurethane, an aromatic vinyl-conjugated diene block copolymer, a polyester elastomer and an olefinic elastomer, in the weight ratio of 10:90 to 90:10.
    Type: Grant
    Filed: April 24, 1981
    Date of Patent: February 8, 1983
    Assignee: Sumitomo Naugatuck Co. Ltd.
    Inventors: Hajime Sakano, Fumio Nakai, Yukio Tomari
  • Patent number: 4271230
    Abstract: A foamed urethane composites comprising foaming urethane and a covering material and having excellent in thermal aging-resistance, which is obtained by applying to the covering material surface to be contacted with the foamed urethane (A) an organic solvent solution or aqueous emulsion comprising (A-1) at least one of flexible urethane resins, starting materials for preparation of flexible urethane resins and vinyl chloride resins, further applying thereto (B) an organic solvent solution comprising (B-1) a copolymer of a carboxyl group-containing ethylenically unsaturated monomer(s) with an acrylic and/or methacrylic acid ester(s) and (B-2) at least one of blocked isocyanate compounds, poly-N-alkoxymethylmelamine compounds, polyepoxy compounds, polyoxazoline compounds, polydihydrooxazine compounds and reactive polyamide compounds, and then subjecting the coated product to crosslinking under heating.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: June 2, 1981
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Fumio Nakai, Yukio Tomari