Patents by Inventor Mikio Kodama

Mikio Kodama 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: 6869687
    Abstract: The present invention provides a recycled plastic article obtained by modifying the surface of a molded article formed from a collected plastic with a colored film which comprises an acrylic resin containing an ultraviolet absorber and has a thickness of from 50 ?m to 600 ?m. Plastics which are used widely in domestic electric products, automobile parts, industrial parts and the like and have various tones are modified with an acrylic resin film so colored to an extent as to provide color shielding of the ground collected resin, to collect the plastics and produce an article without being influenced by the color of the original materials.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: March 22, 2005
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshio Tadokoro, Mikio Kodama
  • Publication number: 20030003297
    Abstract: The present invention provides a recycled plastic article obtained by modifying the surface of a molded article formed from a collected plastic with a colored film which comprises an acrylic resin containing an ultraviolet absorber and has a thickness of from 50 &mgr;m to 600 &mgr;m. Plastics which are used widely in domestic electric products, automobile parts, industrial parts and the like and have various tones are modified with an acrylic resin film so colored to an extent as to provide color shielding of the ground collected resin, to collect the plastics and produce an article without being influenced by the color of the original materials.
    Type: Application
    Filed: July 26, 2002
    Publication date: January 2, 2003
    Inventors: Yoshio Tadokoro, Mikio Kodama
  • Patent number: 5290855
    Abstract: A thermoplastic resin composition comprising 100 parts by weight of a mixture of 10 to 85% by weight of a rubber-reinforced styrene resin, 5 to 50% by weight of a saturated polyester resin and 10 to 70% by weight of at least one copolymer selected from the group consisting of an .alpha.-methylstyrene copolymer and a maleimide copolymer, and 0.2 to 50 parts by weight of (D) an epoxy group-containing olefinic copolymer, wherein a content of the rubbery polymer in the composition is from 5 to 25% by weight.The above thermoplastic resin composition is excellent in sharpness and also in heat resistance, chemical resistance and impact resistance.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: March 1, 1994
    Assignee: Sumitomo Dow Limited
    Inventors: Mikio Kodama, Motoichi Yano, Satoshi Umeyama, Takayoshi Fujiwara, Katsuji Abe
  • Patent number: 5131295
    Abstract: In an automatic transmission of a motor vehicle, a torque of a transmission output member is detected, after the detected torque has dropped at a rate greater than a predetermined value after generation of a gear shifting command signal, a length of time elapsed thereafter is measured, a pressurized hydraulic fluid is modified as a predetermined function of the length of time measured, and a hydraulically actuable coupling is actuated by the modified pressurized hydraulic fluid.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: July 21, 1992
    Assignee: Jatco Corporation
    Inventor: Mikio Kodama
  • Patent number: 5093419
    Abstract: A thermoplastic resin composition comprising (A) 5 to 50 parts by weight of a saturated polyester resin, (B) 10 to 70 parts by weight of a graft polymer obtainable by polymerizing an aromatic vinyl compound and an unsaturated nitrile in the presence of a conjugated diene base rubber, (C) 10 to 70 parts by weight of an .alpha.-alkylstyrene-unsaturated nitrile copolymer comprising 50 to 85% by weight of the .alpha.-alkylstyrene and 50 to 15% by weight of the unsaturated nitrile, provided that the total amount of the components (A), (B) and (C) is 100 parts by weight, wherein the content of the conjugated diene base rubber in the composition is from 5 to 30% by weight, which composition provides a molded article having improved properties such as chemical resistance, impact resistance, flexural modulus, heat resistance and dimensional stability.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: March 3, 1992
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Mikio Kodama, Motoichi Yano, Katsuji Abe
  • Patent number: 4734456
    Abstract: A thermoplastic resin composition having excellent and well balanced physical properites such as chemical resistance, drop weight impact resistance and thermal stability which comprises (A) a styrenic polymer and (B) a ternary polymer comprising 50 to 98.5% by weight of an olefin, 0.5 to 10% by weight of an unsaturated dicarboxylic acid anhydride and 1 to 40% by weight of an unsaturated carboxylic acid alkyl ester, the weight proportion of the styrenic polymer (A) and the ternary polymer (B) being 100:0.5-200.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: March 29, 1988
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Kazuhiko Motomatsu, Mikio Kodama, Hiromichi Aoki, Ichiro Sato
  • Patent number: 4705827
    Abstract: A thermoplastic resin composition having excellent physical properties such as heat resistance and impact resistance and being improved in resistance to heat decomposition which comprises:(A) an unsaturated dicarboxylic acid anhydride polymer produced by polymerization of (a-1) at least one unsaturated dicarboxylic acid anhydride and (a-2) at least one of aromatic vinyl compounds, unsaturated nitrile compounds and unsaturated carboxylic acid esters in the presence or absence of (a-3) at least one rubbery material,(B) a polycarbonate resin,(C) a modified olefin polymer, and optionally(D) a rubber-reinforced resin produced by polymerizing (d-1) at least one of aromatic vinyl compounds, unsaturated nitrile compounds and unsaturated carboxylic acid esters in the presence of (d-2) a rubber polymer.
    Type: Grant
    Filed: March 28, 1986
    Date of Patent: November 10, 1987
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Mikio Kodama, Akitoshi Ito, Motoichi Yano, Takayoshi Fujiwara, Satoshi Umeyama
  • Patent number: 4657975
    Abstract: A thermoplastic resin composition having high heat resistance and good impact resistance, which comprises (A) at least one unsaturated dicarboxylic acid anhydride polymer obtainable by polymerizing at least one unsaturated dicarboxylic acid anhydride and at least one aromatic vinyl compound with or without at least one other polymerizable monomer in the presence or absence of a rubbery material and (B) at least one olefin polymer chosen from (B-1) an olefin/alkyl unsaturated carboxylate copolymer, (B-2) an unsaturated carboxylic acid-modified olefin polymer and (B-3) an epoxy group-containing olefin polymer, the weight proportion of the unsaturated dicarboxylic acid anhydride polymer (A) and the olefin polymer (B) being 100:1-100.
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: April 14, 1987
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Mikio Kodama, Akitoshi Ito
  • Patent number: 4305856
    Abstract: A thermoplastic resin composition excellent in heat cycle property which comprises 100 parts by weight of a polycarbonate resin blended or not with an ABS type resin in an amount of not more than 95% by weight based on the combined weight of the polycarbonate resin and the ABS type resin and 0.05 to 3.0 parts by weight of an organo-silicon compound.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: December 15, 1981
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Mikio Kodama, Toshihiro Shoji
  • Patent number: 4299929
    Abstract: A thermoplastic resin composition with excellent dwelling thermal stability which comprises 100 parts by weight of a resin composition comprising a polymer (A) obtained by polymerization of at least two kinds of monomers selected from the group consisting of aromatic vinyl compounds, vinyl cyanide compounds and carboxylic acid alkyl esters in the presence of a conjugated diene rubber and a polycarbonate resin (B) in a weight proportion of from 10:90 to 90:10 and 0.05 to 5.0 parts by weight of at least one acid compound (C) chosen from inorganic acids, organic acids and organic acid anhydrides.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: November 10, 1981
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Mikio Kodama, Akitoshi Ito, Miyuki Terada
  • Patent number: 4296216
    Abstract: A thermoplastic resin composition excellent in coating property which comprises (A) at least one of polyamide resins and polyacetal resins, (B) at least one of aromatic monovinyl compound/vinyl cyanide copolymers comprising units of aromatic monovinyl compounds and units of vinyl cyanides in a weight ratio of 60:40 to 80:20 and having an intrinsic viscosity of 0.3 to 1.1 and (C) at least one of conjugated diene rubber/vinyl cyanide graft copolymers comprising units of conjugated diene rubbers in an amount of 5 to 45% by weight based on the weight of the graft copolymers in a weight proportion of the components (A), (B) and (C) being 0.1-10: 5-90: 5-94.9.
    Type: Grant
    Filed: March 5, 1980
    Date of Patent: October 20, 1981
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Mikio Kodama, Koichi Nakayama, Isao Yoshida, Atsunori Inoue
  • Patent number: 4228051
    Abstract: A thermoplastic resin composition having a good heat cycle property which comprises (A) a graft polymer comprising a conjugated diene rubber and an aromatic vinyl compound and a vinylic cyanide grafted thereon in a weight proportion of 5-80:15-140, the weight ratio of the aromatic vinyl compound and the vinylic cyanide being 10-90:5-50, (B) a copolymer comprising an aromatic vinyl compound and a vinylic cyanide in a weight ratio of 40:60 to 90:10 and (C) an organo-silicon compound, the weight proportion of the graft polymer (A) and the copolymer (B) being from 5:95 to 95:5 and the amount of the organo-silicon compound (C) being from 0.05 to 3.0 parts by weight to 100 parts by weight of the combined amount of graft polymer (A) and the copolymer (B).
    Type: Grant
    Filed: July 31, 1979
    Date of Patent: October 14, 1980
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Mikio Kodama, Toshihiro Shoji, Isao Yoshida
  • Patent number: 4179341
    Abstract: A method for preparation of a plated product which comprises electroplating a molded product of a resin composition comprising at least one kind of thermoplastic resin and carbon black having an oil absorption amount of not less than 200 ml/100 g and a surface area of not less than 500 m.sup.2 /g in a weight proportion of 100:3-100 and having an intrinsic volume resistivity of not more than 10.sup.3 .OMEGA..cm without previous electroless plating.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: December 18, 1979
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Hajime Sakano, Shigemitsu Kawagishi, Mikio Kodama, Akitoshi Ito, Toshihiro Shoji, Miyuki Terada, Isao Yoshida