Patents by Inventor Hironari Sano

Hironari Sano 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: 10858485
    Abstract: An object of the present invention is to provide a highly versatile master batch for producing a fiber-reinforced resin composition with high strength even when a highly hydrophobic resin is used as a resin for dilution (a resin that constitutes a fiber-reinforced resin composition). The master batch contains AcylMFs (A), a Pm (B), and a Com (C) and is for use in the production of a fiber-reinforced resin composition by mixing with a Pd (D), wherein the AcylMFs (A), Pm (B), Com (C), and Pd (D) satisfy the following conditions: (a) the AcylMFs (A) have an SPacylmf of 10 or more; (b) the Pm (B) has an SPpm of 9 to 15, and the SPpm is equal to or greater than the SPpd of the Pd (D); and (c) the Com (C) has an SPcom equal to or less than the SPacylmf of the AcylMFs (A).
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: December 8, 2020
    Assignees: KYOTO UNIVERSITY, NIPPON PAPER INDUSTRIES CO., LTD
    Inventors: Hiroyuki Yano, Hiroaki Okumura, Hiromasa Kataoka, Hironari Sano
  • Publication number: 20190092909
    Abstract: An object of the present invention is to provide a highly versatile master batch for producing a fiber-reinforced resin composition with high strength even when a highly hydrophobic resin is used as a resin for dilution (a resin that constitutes a fiber-reinforced resin composition). The master batch contains AcylMFs (A), a Pm (B), and a Com (C) and is for use in the production of a fiber-reinforced resin composition by mixing with a Pd (D), wherein the AcylMFs (A), Pm (B), Com (C), and Pd (D) satisfy the following conditions: (a) the AcylMFs (A) have an SPacylmf of 10 or more; (b) the Pm (B) has an SPpm of 9 to 15, and the SPpm is equal to or greater than the SPpd of the Pd (D); and (c) the Com (C) has an SPcom equal to or less than the SPacylmf of the AcylMFs (A).
    Type: Application
    Filed: March 16, 2017
    Publication date: March 28, 2019
    Applicants: KYOTO UNIVERSITY, NIPPON PAPER INDUSTRIES CO., LTD
    Inventors: Hiroyuki YANO, Hiroaki OKUMURA, Hiromasa KATAOKA, Hironari SANO
  • Publication number: 20080045657
    Abstract: The invention provides a method of obtaining a compatible resin blend from at least two incompatible resins which are not conventionally blended with each other. The blend of an incompatible resins is dissolved at a molecular level by being melted and sheared under a high shearing rate by rotating a screw without adding a compatibilizer or the like.
    Type: Application
    Filed: August 17, 2006
    Publication date: February 21, 2008
    Applicant: NAT'L INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Hiroshi Shimizu, Yongjin Li, Toshiyuki Imoto, Akira Kaito, Hironari Sano
  • Patent number: 6730728
    Abstract: The present invention provides a resin composition high in melting flow, exhibiting good properties, excellent in moldability and shrinkage properties, and hence suitable for automobile exteriors, by including (A) propylene/ethylene block copolymer having a melt flow rate (MFR) of 100 to 200 g/10 min., its propylene homopolymer component having an MFR of 210 to 400 g/10 min. and isotactic pentad fraction of 0.98 or more, and its copolymer portion containing propylene at 65 to 85% by weight; 50 to 70% by weight, (B) ethylene/octene and/or ethylene/butene random copolymer; 10 to 25% by weight, (C) styrene-based hydrogenated block copolymer rubber; 4 to 9% by weight and (D) talc; 16 to 24% by weight.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: May 4, 2004
    Assignees: Japan Polychem Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Masatoshi Matsuda, Hisayuki Iwai, Takayuki Nagai, Yukihito Zanka, Mitsuhiro Murayama, Yuji Fujita, Hironari Sano
  • Publication number: 20030092818
    Abstract: The present invention provides a resin composition high in melting flow, exhibiting good properties, excellent in moldability and shrinkage properties, and hence suitable for automobile exteriors, by including (A) propylene/ethylene block copolymer having a melt flow rate (MFR) of 100 to 200 g/10 min., its propylene homopolymer component having an MFR of 210 to 400 g/10 min. and isotactic pentad fraction of 0.98 or more, and its copolymer portion containing propylene at 65 to 85% by weight; 50 to 70% by weight, (B) ethylene/octene and/or ethylene/butene random copolymer; 10 to 25% by weight, (C) styrene-based hydrogenated block copolymer rubber; 4 to 9% by weight and (D) talc; 16 to 24% by weight.
    Type: Application
    Filed: January 11, 2002
    Publication date: May 15, 2003
    Inventors: Masatoshi Matsuda, Hisayuki Iwai, Takayuki Nagai, Yukihito Zanka, Mitsuhiro Murayama, Yuji Fujita, Hironari Sano
  • Patent number: 6469100
    Abstract: A block copolymer is provided comprising one or more blocks of a propylene polymer (PP) and one or more blocks of an ethylene-propylene copolymer (EPR) having the properties: (1) the interface thickness of the PP block with EPR block is from 20-1000 nm; (2) the weight average molecular weight of the PP block is 10,000-1,000,000; (3) the proportion of mesopentad chain in the PP block is not less than 95%; (4) the particle diameter of the disperse phase in EPR block is 0.2-3 microns; (5) the weight average molecular weight of the EPR block is 50,000-1000,000; (6) the propylene content in the EPR block is 20-80 mole %; (7) the composition fluctuation in molecular weight in EPR block is within +/−5% from the average composition.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: October 22, 2002
    Assignee: Japan Polychem Corporation
    Inventors: Toru Suzuki, Toshihiko Sugano, Hironari Sano, Motohiro Seki, Takao Tayano, Hiroshi Nakano
  • Publication number: 20010014719
    Abstract: The present invention provides a polypropylene block copolymer or resin composition excellent in impact resistance and rigidity.
    Type: Application
    Filed: June 4, 1999
    Publication date: August 16, 2001
    Inventors: TORU SUZUKI, TOSHIHIKO SUGANO, HIRONARI SANO, MOTOHIRO SEKI, TAKAO TAYANO, HIROSHI NAKANO
  • Patent number: 5777020
    Abstract: A thermoplastic resin composition comprising (A) a propylene/ethylene block copolymer, (B) a combination of a low-crystalline ethylene/butene random copolymer resin and an amorphous ethylene/butene random copolymer rubber, or a combination of an ethylene/octene copolymer rubber and an ethylene/propylene copolymer rubber, (C) a specific block elastomer, and (D) talc. This composition has good injection molding properties, can reveal excellent flexural modulus, heat resistance and surface hardness, and is suitable for producing such injection-molded products as interior automotive trims.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: July 7, 1998
    Assignees: Japan Polychem Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Takayuki Nagai, Yasutoshi Jagawa, Takeyoshi Nishio, Yukihito Zanka, Ikuo Tsutsumi, Izumi Ishii, Hiroki Sato, Hironari Sano
  • Patent number: 5747575
    Abstract: There is provided a crystalline thermoplastic resin composition comprising (a) 100 parts by weight of a crystalline thermoplastic resin and (b) 0.01 to 11 parts by weight of a laminar structure of silicate, said laminar structure of silicate being present in the form of crystal nuclei dispersed at a molecular level in said resin, and having an aspect ratio of at least 20 as represented by a length-to-breadth ratio of said crystal nuclei.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: May 5, 1998
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Koji Nishida, Yoshihiro Kurasawa, Kiyoji Takagi, Hironari Sano
  • Patent number: 5648424
    Abstract: Disclosed is a molded product of a thermoplastic resin composition which comprises:(a) a non-crystalline thermoplastic resin,(b) a crystalline thermoplastic resin and(c) an inorganic filler, if necessary,wherein a portion in which Component (a) takes a structure forming a matrix and a portion in which Component (b) takes a structure forming a matrix coexist.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: July 15, 1997
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Chiyo Miwa, Hironari Sano, Koji Nishida, Yoshihiro Kurasawa
  • Patent number: 5571866
    Abstract: Disclosed is a thermoplast resin composition comprising:30 to 97% by weight of at least one of(a) a crystalline thermoplastic resin component and(b) a non-crystalline thermoplastic resin component,3 to 70% by weight of (c) a rubbery polymer component which is ununiformly mixed with at least one of Component (a) and Component (b) and0 to 40% by weight of (d) an inorganic filler,wherein Component (c) forms a network and at least one of the ratio of flexural modulus of Component (a) to Component (c) and that of Component (b) to Component (c) is 5 or more.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: November 5, 1996
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Koji Nishida, Kiyoji Takagi, Hironari Sano, Motohiro Seki
  • Patent number: 5468444
    Abstract: A process for producing an oriented blown film of a thermoplastic resin by blown film extrusion, carried out by blowing air into an extruded bubble of the resin extruded from a ring die to expand the bubble and cooling the expanded bubble with air from a cooling air ring, wherein blown film extrusion is carried out under such conditions that the ratio of (b) the final diameter of the expanded bubble to (a) the diameter of the bubble at the crystallizing temperature of the thermoplastic resin ((b)/(a)) ranges from 1.5 to 10. The process provides an oriented blown film excellent in strength, appearance, and heat shrinkage characteristics.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: November 21, 1995
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takao Yazaki, Masataka Noro, Takashi Matsui, Noriyuki Kobayashi, Hironari Sano, Koji Yamamoto
  • Patent number: 5449722
    Abstract: Disclosed is a thermoplastic resin composition comprising:30 to 97% by weight of at least one of (a) a crystalline thermoplastic resin component and (b) a non-crystalline thermoplastic resin component, 3 to 70% by weight of (c) a rubbery polymer component which is ununiformly mixed with at least one of Component (a) and Component (b) and 0 to 40% by weight of (d) an inorganic filler,wherein Component (c) forms a network and at least one of the ratio of flexural modulus of Component (a) to Component (c) and that of Component (b) to Component (c) is 5 or more.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: September 12, 1995
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Koji Nishida, Kiyoji Takagi, Hironari Sano, Motohiro Seki
  • Patent number: 5326627
    Abstract: A polyolefin-based wrapping film having one or more layers which satisfies the following conditions (1) to (4):(1) the film has a thickness ranging from 6 to 100 .mu.m;(2) the film has a birefringence .DELTA.n.sub.A of from 0.6.times.10.sup.-3 to 8.times.10.sup.-3 ;(3) the film has a ratio of percent heat shrinkage in MD to percent heat shrinkage in TD of from 0.65 to 1.50 in a silicon oil bath at 140.degree. C. for 3 minutes; and(4) the film has a strain recovery of at least 18 mm,which provides excellent performance properties in stretch wrapping, especially in the area of high deformation recover.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: July 5, 1994
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Takao Yazaki, Masataka Noro, Takashi Matsui, Noriyuki Kobayashi, Hironari Sano, Koji Yamamoto
  • Patent number: 5326811
    Abstract: A plated polyamide resin article obtained by plating, with a suitable plating substance, a molded article of a polyamide resin composition is disclosed, the polyamide resin composition comprising (A) from 30 to 80% by weight of a polyamide resin, (B) from 20 to 70% by weight of a polyphenylene ether resin, (C) from 1 to 50 parts by weight, per 100 parts by weight of the sum of (A) and (B), of an impact modifier, and (D) from 0.01 to 30 parts by weight, per 100 parts by weight of the sum of (A) and (B), of a compatibilizer, in which the polyamide resin forms a continuous phase, and the polyphenylene ether resin forms a dispersed phase, with the polyamide resin having a crystallinity of from 20 to 55% with the crystalline region thereof being not less than 72% in the .gamma. crystal form. The plated article is excellent in heat resistance, impact resistance, and appearance.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: July 5, 1994
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Hironari Sano, Koji Nishida
  • Patent number: 5124193
    Abstract: An injection-molded product comprising: component A: 45 to 70% by weight of a propylene polymer 2.16 kg) of 10 to 100 g/10 min and an ethylene content of 0 to 15% by weight; and component B: 30 to 55% by weight of an ethylene/propylene copolymer-based rubber having a melt flow rate (at 230.degree. C. under a load of 5 kg) of 0.5 to 20 g/10 min and a propylene content of 20 to 40% by weight; the ratio MFR.sub.A /MFR.sub.B of the melt flow rate (MFR.sub.A) of component A to the melt flow rate (MFR.sub.B) of component B being 0.5 to 50, and the molded product having such physical properties as expressed in terms of a modulus in flexure of 2,000 to 5,000 kg/cm.sup.2, as determined according to JIS-K7203 and a coefficient of linear expansion of 10 .times.10.sup.-5 /.degree. C. or below, as determined according to ASTM-D696, and having an average thickness of 2 to 7 mm.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: June 23, 1992
    Assignees: Mitsubishi Petrochemical Company Limited, Mitsubishi Jidosha Kogyo
    Inventors: Hironari Sano, Hideaki Nakagawa, Kenichi Tange, Yoshinori Yamamori
  • Patent number: 5091473
    Abstract: There is disclosed a resin composition comprising:(a) 28 to 78% by weight of a polyamide resin,(b) 20 to 70% by weight of a polyphenylene ether resin,(c) 2 to 40% by weight of a block copolymer composed of an alkenyl aromatic polymer and a conjugated diene polymer wherein a content of an alkenyl aromatic polymer structure unit is 10 to 45% by weight and at least 50% of a conjugated diene polymer structure unit is hydrogenated and(d) at least one compound selected from the group consisting of .alpha.,.beta.-unsaturated dicarboxylic acid, an acid anhydride and derivatives thereof with an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the sum of Components (a), (b) and (c),which has a specific dispersion state.The resin composition has excellent thermal stability and also good balance between impact strength, rigidity and high temperature rigidity with high degree.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: February 25, 1992
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Yusuke Arashiro, Shinichi Yamauchi, Hironari Sano, Takayuki Inoue, Koji Nishida
  • Patent number: 5008332
    Abstract: A resin composition comprising an amorphous polymer as component (1), a crystalline polymer as component (2) and a rubber like polymer as component (3), wherein component (1) is dispersed in component (2) and component (3) is dispersed in component (2) in network form is disclosed. The resin composition has excellent mechanical properties such as impact strength, flexural modulus, etc.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: April 16, 1991
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Hironari Sano, Kenyu Ohno
  • Patent number: 4968749
    Abstract: A resin composition comprising (a) a polyphenylene ether resin, (b) a non-crystalline or low-crystalline polyamide resin, (c) a crystalline polyamide resin and, if desired, (d) a polar compound or a low-molecular diene polymer or the component (d) and (e) a rubbery polymer or an alkenyl aromatic compound/conjugated diene copolymer or a hydrogeneration product thereof. The composition is excellent in both impact strength, particularly on a plane part of a plate-molded article, and dimensional stability.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: November 6, 1990
    Assignee: Mitsubishi Petrochemical Company, Ltd.
    Inventors: Nobuhiro Shibuya, Kiyoji Takagi, Satoru Hattori, Tatsuo Kobayashi, Hironari Sano
  • Patent number: 4743651
    Abstract: A resin composition comprising a resin component comprising a polyphenylene ether resin and a polyamide resin, an aromatic vinyl compound-conjugated diene block copolymer, and a compound having an unsaturated group and a polar group in the molecule thereof. The composition is excellent in impact strength both at low temperature and room temperature, tensile elongation indicative of toughness, and organic solvent resistance.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: May 10, 1988
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Nobuhiro Shibuya, Yoshihiro Sobajima, Hironari Sano