Patents by Inventor Akira Miyamoto

Akira Miyamoto 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: 7977416
    Abstract: According to the present invention, an aromatic polycarbonate resin composition comprising: a resin component (A) mainly comprising an aromatic polycarbonate; a reinforcing agent and/or a filler (B); and an aromatic sulfonic acid and/or an ester thereof (C), wherein a mixture consisting of said component (B) and said component (C) has a pH of 4 to 8 when measured in accordance with JIS-K5101, and said composition comprises 1 to 200 parts by weight of said component (B) and 0.001 to 5 parts by weight of said component (C) based on 100 parts by weight of said component (A) is provided.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: July 12, 2011
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Kazuhiro Shibuya, Akira Miyamoto
  • Publication number: 20110091708
    Abstract: A resin composition includes 1 to 20% by mass of (A) a copolymer containing a conjugated diene unit and a vinyl aromatic compound unit, 1 to 20% by mass of (B) a softening agent for rubber, and 70 to 95% by mass of (C) metal hydroxide, in which (A) the copolymer containing the conjugated diene unit and the vinyl aromatic compound unit includes a plurality of polymer blocks of the vinyl aromatic compound unit.
    Type: Application
    Filed: April 30, 2009
    Publication date: April 21, 2011
    Applicant: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Kazuya Noda, Takeshi Yasui, Yasuaki Konomi, Akira Miyamoto
  • Publication number: 20100292407
    Abstract: Disclosed is a novel ethylene copolymer by copolymerizing an ethylene and at least one comonomer selected from a compound represented by the formula H2C?CHR wherein R is, for example, an alkyl group or an aryl group, and a diene, by slurry polymerization process in the presence of a solid catalyst system comprising a support, a transition metal compound and an activator capable of converting the transition metal compound into a catalytically active transition metal complex.
    Type: Application
    Filed: March 16, 2010
    Publication date: November 18, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Grant B. Jacobsen, Jozef J. Van Dun, Pak-Wing S. Chum, Larry A. Meiske, Fumio Matsushita, Akira Miyamoto
  • Patent number: 7714073
    Abstract: The invention provides blends comprising an ethylene copolymer formed from ethylene with at least one comonomer selected from (a) the group comprising compounds represented by the formula H2C?CHR wherein R represents a C1-C20 linear, branched or cyclic alkyl group or a C6-C20 aryl group, and (b) a C4-C20 linear, branched or cyclic diene. Each copolymer has a specific density, a specific molecular weight distribution, and a specific comonomer content distribution characteristic.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: May 11, 2010
    Inventors: Grant B. Jacobsen, Jozef J. Van Dun, Pak-Wing S. Chum, Larry A. Meiske, Fumio Matsushita, Akira Miyamoto
  • Publication number: 20100068025
    Abstract: A conveying device A is disposed inside a vacuum chamber B, includes a fixation base 1; a swivel base which is held rotatably with respect to the fixation base 1; linear movement mechanisms 3A, 3B supported by the swivel base 2; and hands 4A, 4B supported by the linear movement mechanisms 3A, 3B; and a transports work W placed on the hands 4A, 4B by operation of the linear movement mechanism 3A, 3B. Radiation plates 62, 63, 65 are provided at appropriate locations on a lower surface side of the swivel base or of the linear movement mechanisms 3A, 3B. The vacuum chamber is provided with heat absorption plates 61, 66 on a wall which faces the lower surface side of the swivel base 2.
    Type: Application
    Filed: March 2, 2007
    Publication date: March 18, 2010
    Inventors: Akira Miyamoto, Daisuke Sado, Akira Okamoto, Hideki Matsuo, Yasuhiro Nishimori
  • Patent number: 7645835
    Abstract: Blend compositions containing a novel homopolymer, the use of which allows the incorporation of more comonomer in the additional components of the blend (for the same overall density) resulting in increased tie molecule formation and improvement in properties such as ESCR, toughness and impact strength are disclosed. The homopolymers are important for applications where a high density is needed to ensure certain mechanical properties like abrasion resistance, indentation resistance, pressure resistance, topload resistance, modulus of elasticity, or morphology (for the chlorination of PE to CPE) and additional advantages such as melt processability. The blend can be obtained by dry or melt mixing the already produced components, or through in-situ production by in parallel and/or in series arranged reactors. These resins can be used in applications such as films, blow molded, injection molded, and rotomolded articles, fibers, and cable and wire coatings and jacketings and, various forms of pipe.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: January 12, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Jozef J. Van Dun, Akira Miyamoto, Grant B. Jacobsen, Fumio Matsushita, Patrick J. Schouterden, Lee Spencer, Pak-Wing S. Chum, Larry A. Meiske, Peter L. Wauteraerts
  • Patent number: 7572847
    Abstract: According to the present invention, an aromatic polycarbonate resin composition comprising: a resin component (A) mainly comprising an aromatic polycarbonate; a reinforcing agent and/or a filler (B); and an aromatic sulfonic acid and/or an ester thereof (C), wherein a mixture consisting of said component (B) and said component (C) has a pH of 4 to 8 when measured in accordance with JIS-K5101, and said composition comprises 1 to 200 parts by weight of said component (B) and 0.001 to 5 parts by weight of said component (C) based on 100 parts by weight of said component (A) is provided.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: August 11, 2009
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Kazuhiro Shibuya, Akira Miyamoto
  • Publication number: 20080249215
    Abstract: According to the present invention, an aromatic polycarbonate resin composition comprising: a resin component (A) mainly comprising an aromatic polycarbonate; a reinforcing agent and/or a filler (B); and an aromatic sulfonic acid and/or an ester thereof (C), wherein a mixture consisting of said component (B) and said component (C) has a pH of 4 to 8 when measured in accordance with JIS-K5101, and said composition comprises 1 to 200 parts by weight of said component (B) and 0.001 to 5 parts by weight of said component (C) based on 100 parts by weight of said component (A) is provided.
    Type: Application
    Filed: May 9, 2008
    Publication date: October 9, 2008
    Applicant: Asahi Kasei Corporation
    Inventors: Kazuhiro Shibuya, Akira Miyamoto
  • Publication number: 20080063861
    Abstract: A polycarbonate thin molded article containing a resin composition, the resin composition containing: 100 parts by weight of a resin (A), the resin (A) being an aromatic polycarbonate or a resin mainly containing an aromatic polycarbonate; 0.1 to 200 parts by weight of an inorganic compound (B); 0.001 to 10 parts by weight of at least one compound (C) selected from an organic acidic compound and an organic acidic compound derivative; and 0.001 to 1 part by weight of at least one metal salt (D) selected from an organic acid alkali metal salt and an organic acid alkaline earth metal salt, a part corresponding to at least 50% of the surface area of the polycarbonate thin molded article having a thickness of less than 0.7 mm, and a shrinkage ratio S1(%) in a molding flow direction of the polycarbonate thin molded article upon its being left under an atmosphere of 170° C. for 30 minutes satisfying the following formula (1): ?60<S1<?1??formula (1).
    Type: Application
    Filed: April 25, 2005
    Publication date: March 13, 2008
    Inventors: Kazuhiro Shibuya, Akira Miyamoto, Kazuharu Yasuda
  • Publication number: 20070088129
    Abstract: A process for the preparation of blends comprising an ethylene copolymer, which is prepared by polymerizing ethylene and at least one comonomer selected from (a) a compound represented by the formula H2C?CHR, wherein R is an alkyl group, an aryl group, or (b) a diene. The polymerization takes place in the presence of a solid catalyst system comprising a support, a transition metal compound and an activator capable of converting the transition metal compound into a catalytically active transition metal complex.
    Type: Application
    Filed: June 28, 2006
    Publication date: April 19, 2007
    Applicant: Dow Global Technologies Inc.
    Inventors: Grant Jacobsen, Jozef Van Dun, Pak-Wing Chum, Larry Meiske, Fumio Matsushita, Akira Miyamoto
  • Patent number: 7183342
    Abstract: A flame retardant aromatic polycarbonate resin composition comprising 100 parts by weight of an aromatic polycarbonate (A), 0.01 to 0.5 part by weight of branched metal oxide particles (branched metal oxide aggregates and/or branched metal oxide agglomerates) (B), 0.0001 to 0.2 part by weight of an alkali metal salt (C) of an organic sulfonic acid, and 0.01 to 0.5 part by weight of a fluoropolymer (D), the branched metal oxide particles (B) being dispersed in a mixture of components (A), (C) and (D), wherein at least 70% of the branched metal oxide particles (B) have a diameter within the range of from 10 to 200 nm.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: February 27, 2007
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Akira Miyamoto, Toshiharu Sakuma, Kazuhiro Shibuya
  • Publication number: 20070021539
    Abstract: According to the present invention, an aromatic plycarbonate resin composition comprising: a resin component (A) mainly comprising an aromatic polycarbonate; a reinforcing agent and/or a filler (B); and an aromatic sulfonic acid and/or an ester thereof (C), wherein a mixture consisting of said component (B) and said component (C) has a pH of 4 to 8 when measured in accordance with JIS-K5101, and said composition comprises 1 to 200 parts by weight of said component (B) and 0.001 to 5 parts by weight of said component (C) based on 100 parts by weight of said component (A) is provided.
    Type: Application
    Filed: July 21, 2005
    Publication date: January 25, 2007
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Kazuhiro Shibuya, Akira Miyamoto
  • Patent number: 7166676
    Abstract: A process for the preparation of blends including an ethylene copolymer by copolymerizing ethylene and at least one comonomer selected from a compound represented by the formula H2C?CHR wherein R is an alkyl group or an aryl group, and a diene, in the presence of a solid catalyst system comprising a support, a transition metal compound and an activator capable of converting the transition metal compound into a catalytically active transition metal complex.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: January 23, 2007
    Assignee: Dow Global Technologies, Inc.
    Inventors: Grant B. Jacobsen, Jozef J. Van Dun, Pak-Wing S. Chum, Larry A. Meiske, Fumio Matsushita, Akira Miyamoto
  • Patent number: 7160937
    Abstract: An aromatic polycarbonate resin composition having: 100 parts by weight of a resin component (A) mainly having an aromatic polycarbonate, 0.1 to 200 parts by weight of a solid inorganic compound (B), at least one compound (C) selected from the group consisting of an organic acid, an organic acid ester, and an organic acid anhydride, 0.001 to 1 part by weight of at least one organic acid metal salt (D) selected from the group consisting of an organic acid alkali metal salt and an organic acid alkaline earth metal salt, and 0.01 to 1 part by weight of a fluoropolymer (E), wherein compound (C) is present in an amount wherein a mixture of compounds (B) and (C) exhibits a pH value of from 4 to 8.
    Type: Grant
    Filed: December 26, 2003
    Date of Patent: January 9, 2007
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Kazuhiro Shibuya, Akira Miyamoto
  • Patent number: 7153909
    Abstract: Blend compositions containing a novel homopolymer, the use of which allows the incorporation of more comonomer in the additional components of the blend (for the same overall density) resulting in increased tie molecule formation and improvement in properties such as ESCR, toughness and impact strength are disclosed. The homopolymers are important for applications where a high density is needed to ensure certain mechanical properties like abrasion resistance, indentation resistance, pressure resistance, topload resistance, modulus of elasticity, or morphology (for the chlorination of PE to CPE) and additional advantages such as melt processability. The blend can be obtained by dry or melt mixing the already produced components, or through in-situ production by in parallel and/or in series arranged reactors. These resins can be used in applications such as films, blow molded, injection molded, and rotomolded articles, fibres, and cable and wire coatings and jacketings and, various forms of pipe.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: December 26, 2006
    Assignee: Dow Global Technologies Inc.
    Inventors: Jozef J. Van Dun, Akira Miyamoto, Grant B. Jacobsen, Fumio Matsushita, Patrick J. Schouterden, Lee Spencer, Pak-Wing S. Chum, Larry A. Meiski, Peter L. Wauteraerts
  • Publication number: 20060276593
    Abstract: This invention relates to novel homopolymers important for applications where a high density is needed to ensure certain mechanical properties like abrasion resistance, indentation resistance, pressure resistance, topload resistance, modulus of elasticity, or morphology (for the chlorination of PE to CPE) and additional advantages such as melt processability. This invention also relates to blend compositions containing the novel homopolymer, the use of which allows the incorporation of more comonomer in the additional components of the blend (for the same overall density) resulting in increased tie molecule formation and improvement in properties such as ESCR, toughness and impact strength. The blend can be obtained by dry or melt mixing the already produced components, or through in-situ production by in parallel and/or in series arranged reactors.
    Type: Application
    Filed: June 21, 2006
    Publication date: December 7, 2006
    Inventors: Jozef Van Dun, Akira Miyamoto, Grant Jacobsen, Fumio Matsushita, Patrick Schouterden, Lee Spencer, Pak-Wing Chum, Larry Meiske, Peter Wauteraerts
  • Patent number: 7060780
    Abstract: A molded article produced by injection-molding a molten form of a flame-retardant aromatic polycarbonate resin composition comprising: 100 parts by weight of an aromatic polycarbonate (A) (Mw: 17,000 to 35,000), 0.01 to 3 parts by weight of inorganic compound particles (B) (average diameter: 10 nm to 10 ?m), 0.001 to 0.5 part by weight of an alkali metal salt (C) of an organic sulfonic acid, and 0.01 to 0.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: June 13, 2006
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Akira Miyamoto, Toshiharu Sakuma, Kazuhiro Shibuya, Hiroshi Hachiya
  • Publication number: 20050256227
    Abstract: A flame retardant aromatic polycarbonate resin composition comprising 100 parts by weight of an aromatic polycarbonate (A), 0.01 to 0.5 part by weight of branched metal oxide particles (branched metal oxide aggregates and/or branched metal oxide agglomerates) (B), 0.0001 to 0.2 part by weight of an alkali metal salt (C) of an organic sulfonic acid, and 0.01 to 0.5 part by weight of a fluoropolymer (D), the branched metal oxide particles (B) being dispersed in a mixture of components (A), (C) and (D), wherein at least 70% of the branched metal oxide particles (B) have a diameter within the range of from 10 to 200 nm.
    Type: Application
    Filed: December 20, 2002
    Publication date: November 17, 2005
    Inventors: Akira Miyamoto, Toshiharu Sakuma, Kazuhiro Shibuya
  • Publication number: 20050159518
    Abstract: A molded article produced by injection-molding a molten form of a flame-retardant aromatic polycarbonate resin composition comprising: 100 parts by weight of an aromatic polycarbonate (A) (Mw: 17,000 to 35,000), 0.01 to 3 parts by weight of inorganic compound particles (B) (average diameter: 10 nm to 10 ?m), 0.001 to 0.5 part by weight of an alkali metal salt (C) of an organic sulfonic acid, and 0.01 to 0.
    Type: Application
    Filed: March 18, 2003
    Publication date: July 21, 2005
    Inventors: Akira Miyamoto, Toshiharu Sakuma, Kazuhiro Shibuya, Hiroshi Hachiya, Hiroshi Hachiya
  • Publication number: 20050154103
    Abstract: An aromatic polycarbonate resin composition comprising: 100 parts by weight of a resin component (A) mainly comprising an aromatic polycarbonate, 0.1 to 200 parts by weight of a solid inorganic compound (B), at least one compound (C) selected from the group consisting of an organic acid, an organic acid ester, an organic acid anhydride, an organic acid phosphonium salt and an organic acid ammonium salt, 0.001 to 1 part by weight of at least one organic acid metal salt (D) selected from the group consisting of an organic acid alkali metal salt and an organic acid alkaline earth metal salt, and 0.01 to 1 part by weight of a fluoropolymer (E), wherein compound (C) is present in an amount wherein a mixture of compounds (B) and (C) exhibits a pH value of from 4 to 8.
    Type: Application
    Filed: December 26, 2003
    Publication date: July 14, 2005
    Inventors: Kazuhiro Shibuya, Akira Miyamoto