Patents by Inventor Hideharu Kimura

Hideharu Kimura 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: 9441105
    Abstract: There are disclosed a biodegradable resin composition including a starch (a1), a biodegradable resin (a2) other than a polylactic acid-based polymer and a non-crystalline polylactic acid-based polymer (b), a mass ratio of the starch (a1) to the biodegradable resin (a2) other than a polylactic acid-based polymer (a1/a2) being from 20/80 to 50/50, and a mass ratio of a sum of the components other than the polymer (b) to the polymer (b) (sum of components other than polymer (b)/polymer (b)) being from 95/5 to 50/50, and a biodegradable film using the biodegradable resin composition.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: September 13, 2016
    Assignee: SHOWA DENKO K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Yuuki Tetsuka
  • Patent number: 9175127
    Abstract: The present invention relates to a method for producing an aliphatic polyester having an increased molecular weight comprising the steps of: (i) introducing into a mixing tank equipped with an inlet for injecting a diisocyanate an aliphatic polyester prepolymer which has a number average molecular weight of 5000 or higher and has terminal hydroxyl groups and in which at least one acid component is a succinic acid compound, wherein the aliphatic polyester prepolymer is introduced above the position of the inlet and wherein the aliphatic polyester prepolymer is melted at a temperature not lower than a melting point of the prepolymer and is in a liquid state, (ii) injecting a diisocyanate into the aliphatic polyester prepolymer, wherein the amount of diisocyanate is equivalent to between one tenth and two times the amount of the hydroxyl groups in the aliphatic polyester prepolymer; and (iii) reacting the aliphatic polyester prepolymer with the diisocyanate.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: November 3, 2015
    Assignee: SHOWA DENKO K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Patent number: 9138933
    Abstract: A process and apparatus for manufacturing a crystalline resin film or sheet. This manufacturing apparatus includes: an extruder that melts crystalline resin while supplying it; a gear pump that is provided on the downstream side of the extruder; a die which is provided on the downstream side of the gear pump, and which has a slit-shaped aperture; a cooling apparatus which cools film-shaped or sheet-shaped crystalline resin (A) discharged in a melted state from the die to a temperature which is not less than the crystallization temperature but not more than the melting point; and a pair of pinch rolls that press-roll between them the film-shaped or sheet-shaped crystalline resin (B) which has passed through the cooling apparatus (40), wherein the pair of guide rolls are positioned such that the thickness of the film-shaped or sheet-shaped crystalline resin (B) which has passed through the cooling apparatus is between 1.3 and 8.0 times the thickness of the film or sheet (C, D) after it has been press-rolled.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: September 22, 2015
    Assignee: SunAllomer Ltd.
    Inventors: Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo, Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe
  • Patent number: 8962115
    Abstract: It is an object to provide a fire-resistant piping material that can be fire-protection measures by itself and is excellent in construction workability. A single-layered fire-resistant piping material according to the present invention is constituted of a fire-resistant resin composition containing heat-expandable graphite in an amount of 1 to 10 parts by weight based on 100 parts by weight of a polyvinyl chloride-based resin.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: February 24, 2015
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Masashi Okabe, Koji Ichihara, Hideharu Kimura, Toshifumi Sanni
  • Publication number: 20140336310
    Abstract: There are disclosed a biodegradable resin composition including a starch (a1), a biodegradable resin (a2) other than a polylactic acid-based polymer and a non-crystalline polylactic acid-based polymer (b), a mass ratio of the starch (a1) to the biodegradable resin (a2) other than a polylactic acid-based polymer (a1/a2) being from 20/80 to 50/50, and a mass ratio of a sum of the components other than the polymer (b) to the polymer (b) (sum of components other than polymer (b)/polymer (b)) being from 95/5 to 50/50, and a biodegradable film using the biodegradable resin composition.
    Type: Application
    Filed: November 5, 2012
    Publication date: November 13, 2014
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Yuuki Tetsuka
  • Patent number: 8865081
    Abstract: The problem to be solved by the present invention is to provide a method for continuously and effectively producing an aliphatic polyester having an increased molecular weight which prevents evaporation of diisocyanate at the step of mixing the diisocyanate with the aliphatic polyester prepolymer in a molten state at a temperature not lower than the melting point of the prepolymer and enables uniform mixing of the diisocyanate with the aliphatic polyester prepolymer.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: October 21, 2014
    Assignee: Showa Denko K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Publication number: 20140303291
    Abstract: There are disclosed a biodegradable resin composition including a starch (a1), a condensation polymer (a2) of an aliphatic diol and an aliphatic dicarboxylic acid, a non-crystalline polylactic acid-based polymer (b) and an aliphatic aromatic polyester (c), a mass ratio (a1/a2) being from 20/80 to 50/50, a mass ratio of a composition (A) comprising the components other than the components (b) and (c) to the component (b) ((A)/(b)) being from 95/5 to 50/50, and a mass ratio {(A)+(b)}/(c) being from 98/2 to 85/15, and a biodegradable film using the biodegradable resin composition.
    Type: Application
    Filed: November 5, 2012
    Publication date: October 9, 2014
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Yuuki Tetsuka
  • Patent number: 8852517
    Abstract: The present invention addresses the problem of providing a method for continuously and effectively producing an aliphatic polyester having an increased molecular weight by preventing evaporation of a diisocyanate when blending the diisocyanate with an aliphatic polyester prepolymer in a molten state at a temperature not lower than the melting point thereof so that the diisocyanate and the aliphatic polyester prepolymer are uniformly blended.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: October 7, 2014
    Assignee: Showa Denko K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Publication number: 20140275437
    Abstract: The present invention relates to a method for producing an aliphatic polyester having an increased molecular weight comprising the steps of: (i) introducing into a mixing tank equipped with an inlet for injecting a diisocyanate an aliphatic polyester prepolymer which has a number average molecular weight of 5000 or higher and has terminal hydroxyl groups and in which at least one acid component is a succinic acid compound, wherein the aliphatic polyester prepolymer is introduced above the position of the inlet and wherein the aliphatic polyester prepolymer is melted at a temperature not lower than a melting point of the prepolymer and is in a liquid state, (ii) injecting a diisocyanate into the aliphatic polyester prepolymer, wherein the amount of diisocyanate is equivalent to between one tenth and two times the amount of the hydroxyl groups in the aliphatic polyester prepolymer; and (iii) reacting the aliphatic polyester prepolymer with the diisocyanate.
    Type: Application
    Filed: October 17, 2012
    Publication date: September 18, 2014
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Patent number: 8728616
    Abstract: A polymer sheet according to at least one embodiment of the present invention is a polymer sheet whose main component is oriented nanocrystals of a polymer, and which satisfies the following conditions (I), (II), and (III): (I) having a crystallinity of not less than 70%; (II) having a tensile strength at break of not less than 100 MPa and a tensile modulus of not less than 3 GPa; and (III) having an average thickness of not less than 0.15 mm. According to at least one embodiment of the present invention, it is possible to provide a polymer sheet excelling in properties such as mechanical strength, heat tolerance, and transparency, particularly a polymer sheet having excellent properties such as mechanical strength, heat tolerance, and transparency in general-purpose plastics such as polypropylene.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: May 20, 2014
    Assignees: Hiroshima University, Sunallomer Ltd.
    Inventors: Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe, Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo
  • Publication number: 20140051823
    Abstract: The problem to be solved by the present invention is to provide a method for continuously and effectively producing an aliphatic polyester having an increased molecular weight which prevents evaporation of diisocyanate at the step of mixing the diisocyanate with the aliphatic polyester prepolymer in a molten state at a temperature not lower than the melting point of the prepolymer and enables uniform mixing of the diisocyanate with the aliphatic polyester prepolymer.
    Type: Application
    Filed: January 17, 2012
    Publication date: February 20, 2014
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Publication number: 20130289221
    Abstract: The present invention addresses the problem of providing a method for continuously and effectively producing an aliphatic polyester having an increased molecular weight by preventing evaporation of a diisocyanate when blending the diisocyanate with an aliphatic polyester prepolymer in a molten state at a temperature not lower than the melting point thereof so that the diisocyanate and the aliphatic polyester prepolymer are uniformly blended.
    Type: Application
    Filed: April 19, 2011
    Publication date: October 31, 2013
    Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
  • Publication number: 20120018917
    Abstract: A process and apparatus for manufacturing a crystalline resin film or sheet. This manufacturing apparatus includes: an extruder that melts crystalline resin while supplying it; a gear pump that is provided on the downstream side of the extruder; a die which is provided on the downstream side of the gear pump, and which has a slit-shaped aperture; a cooling apparatus which cools film-shaped or sheet-shaped crystalline resin (A) discharged in a melted state from the die to a temperature which is not less than the crystallization temperature but not more than the melting point; and a pair of pinch rolls that press-roll between them the film-shaped or sheet-shaped crystalline resin (B) which has passed through the cooling apparatus (40), wherein the pair of guide rolls are positioned such that the thickness of the film-shaped or sheet-shaped crystalline resin (B) which has passed through the cooling apparatus is between 1.3 and 8.0 times the thickness of the film or sheet (C, D) after it has been press-rolled.
    Type: Application
    Filed: January 22, 2010
    Publication date: January 26, 2012
    Applicant: SunAllomer Ltd.
    Inventors: Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo, Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe
  • Publication number: 20110300364
    Abstract: A polymer sheet according to at least one embodiment of the present invention is a polymer sheet whose main component is oriented nanocrystals of a polymer, and which satisfies the following conditions (I), (II), and (III): (I) having a crystallinity of not less than 70%; (II) having a tensile strength at break of not less than 100 MPa and a tensile modulus of not less than 3 GPa; and (III) having an average thickness of not less than 0.15 mm. According to at least one embodiment of the present invention, it is possible to provide a polymer sheet excelling in properties such as mechanical strength, heat tolerance, and transparency, particularly a polymer sheet having excellent properties such as mechanical strength, heat tolerance, and transparency in general-purpose plastics such as polypropylene.
    Type: Application
    Filed: January 21, 2010
    Publication date: December 8, 2011
    Applicants: SUNALLOMER LTD., HIROSHIMA UNIVERSITY
    Inventors: Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe, Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo
  • Publication number: 20100173109
    Abstract: It is an object to provide a fire-resistant piping material that can be fire-protection measures by itself and is excellent in construction workability. A single-layered fire-resistant piping material according to the present invention is constituted of a fire-resistant resin composition containing heat-expandable graphite in an amount of 1 to 10 parts by weight based on 100 parts by weight of a polyvinyl chloride-based resin.
    Type: Application
    Filed: August 29, 2007
    Publication date: July 8, 2010
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Masashi Okabe, Koji Ichihara, Hideharu Kimura, Toshifumi Sanni
  • Publication number: 20080286785
    Abstract: The invention provides a method of detecting ErbB receptor mutations comprising the steps of providing a bio-fluid sample from a patient; extracting DNA from said sample; and screening said DNA for the presence of one or more mutations that alter tyrosine kinase activity in the receptor.
    Type: Application
    Filed: April 7, 2008
    Publication date: November 20, 2008
    Applicant: AstraZeneca UK Limited
    Inventors: Kazuto Nishio, Hideharu Kimura, Kazuo Kasahara
  • Patent number: 5714569
    Abstract: An aliphatic polyester resin having a .lambda. value representing the magnitude of non-linearity of elongational viscosity of 1.5 to 8.0, said .lambda. value being defined by the following formula (1):.lambda.=.lambda..sub.1 /.lambda..sub.0 ( 1)wherein .lambda..sub.0 denotes the elongational viscosity at the transition point and .lambda..sub.1 denotes the elongational viscosity when strain become twice that of a transition point, said transition point meaning a point between a linear region, i.e., the infinitesimal-deformation region, and a non-linear region, i.e., the large-deformation region. According to the present invention, an aliphatic polyester resin having excellent formability and forming stability as well as good biodegradability is provided.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: February 3, 1998
    Assignees: Showa Denko K.K., Showa Highpolymer Co., Ltd.
    Inventors: Mitsuhiro Imaizumi, Hideharu Kimura, Ryutaro Fujihira, Yasushi Ichikawa, Jun Suzuki, Yoshihiro Moteki, Takashi Fujimaki, Eiichiro Takiyama
  • Patent number: 5314927
    Abstract: A method for producing polyester foamed articles comprising: heating and foaming a resin composition comprising a foaming agent, and an aliphatic polyester having a melt viscosity of 1.0.times.10.sup.3 -1.0.times.10.sup.6 poises at a temperature of 190.degree. C. and a shear rate of 100 sec.sup.-1, and having a melting point of 70.degree.-190.degree. C. Extrusion or forming in a mold using preexpanded beads can be applied. The foamed articles such as insulating boxes and cushioning materials have biodegradability and excellent mechanical properties such as tensile strength and cushioning properties.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: May 24, 1994
    Assignee: Showa Highpolymer Co., Ltd.
    Inventors: Haruhiko Kondo, Mitsuhiro Imaizumi, Ryosuke Kamei, Hideharu Kimura, Eiichiro Takiyama
  • Patent number: D276546
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: November 27, 1984
    Assignee: Imanishi Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Kenzo Okamoto, Hiroichi Sakai, Fumihiko Kitada, Hideharu Kimura
  • Patent number: D276548
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: November 27, 1984
    Assignee: Imanishi Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Kenzo Okamoto, Hiroichi Sakai, Fumihiko Kitada, Hideharu Kimura