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).
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Patent number: 9441105Abstract: 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: GrantFiled: November 5, 2012Date of Patent: September 13, 2016Assignee: SHOWA DENKO K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Yuuki Tetsuka
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Patent number: 9175127Abstract: 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: GrantFiled: October 17, 2012Date of Patent: November 3, 2015Assignee: SHOWA DENKO K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
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Patent number: 9138933Abstract: 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: GrantFiled: January 22, 2010Date of Patent: September 22, 2015Assignee: SunAllomer Ltd.Inventors: Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo, Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe
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Patent number: 8962115Abstract: 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: GrantFiled: August 29, 2007Date of Patent: February 24, 2015Assignee: Sekisui Chemical Co., Ltd.Inventors: Masashi Okabe, Koji Ichihara, Hideharu Kimura, Toshifumi Sanni
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Publication number: 20140336310Abstract: 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: ApplicationFiled: November 5, 2012Publication date: November 13, 2014Applicant: SHOWA DENKO K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Yuuki Tetsuka
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Patent number: 8865081Abstract: 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: GrantFiled: January 17, 2012Date of Patent: October 21, 2014Assignee: Showa Denko K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
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Publication number: 20140303291Abstract: 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: ApplicationFiled: November 5, 2012Publication date: October 9, 2014Applicant: SHOWA DENKO K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Yuuki Tetsuka
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Patent number: 8852517Abstract: 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: GrantFiled: April 19, 2011Date of Patent: October 7, 2014Assignee: Showa Denko K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
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Publication number: 20140275437Abstract: 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: ApplicationFiled: October 17, 2012Publication date: September 18, 2014Applicant: SHOWA DENKO K.K.Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
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Patent number: 8728616Abstract: 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: GrantFiled: January 21, 2010Date of Patent: May 20, 2014Assignees: Hiroshima University, Sunallomer Ltd.Inventors: Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe, Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo
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Publication number: 20140051823Abstract: 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: ApplicationFiled: January 17, 2012Publication date: February 20, 2014Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
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Publication number: 20130289221Abstract: 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: ApplicationFiled: April 19, 2011Publication date: October 31, 2013Inventors: Yasushi Ichikawa, Hideharu Kimura, Akira Ishii
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Publication number: 20120018917Abstract: 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: ApplicationFiled: January 22, 2010Publication date: January 26, 2012Applicant: SunAllomer Ltd.Inventors: Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo, Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe
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Publication number: 20110300364Abstract: 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: ApplicationFiled: January 21, 2010Publication date: December 8, 2011Applicants: SUNALLOMER LTD., HIROSHIMA UNIVERSITYInventors: Masamichi Hikosaka, Kiyoka Okada, Kaori Watanabe, Junichiro Washiyama, Hideharu Kimura, Koji Yamada, Takeshi Nakajima, Akihiro Otsubo
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Publication number: 20100173109Abstract: 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: ApplicationFiled: August 29, 2007Publication date: July 8, 2010Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Masashi Okabe, Koji Ichihara, Hideharu Kimura, Toshifumi Sanni
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Publication number: 20080286785Abstract: 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: ApplicationFiled: April 7, 2008Publication date: November 20, 2008Applicant: AstraZeneca UK LimitedInventors: Kazuto Nishio, Hideharu Kimura, Kazuo Kasahara
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Patent number: 5714569Abstract: 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: GrantFiled: August 21, 1996Date of Patent: February 3, 1998Assignees: 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
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Patent number: 5314927Abstract: 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: GrantFiled: April 20, 1993Date of Patent: May 24, 1994Assignee: Showa Highpolymer Co., Ltd.Inventors: Haruhiko Kondo, Mitsuhiro Imaizumi, Ryosuke Kamei, Hideharu Kimura, Eiichiro Takiyama
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Patent number: D276546Type: GrantFiled: September 13, 1982Date of Patent: November 27, 1984Assignee: Imanishi Kinzoku Kogyo Kabushiki KaishaInventors: Kenzo Okamoto, Hiroichi Sakai, Fumihiko Kitada, Hideharu Kimura
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Patent number: D276548Type: GrantFiled: September 13, 1982Date of Patent: November 27, 1984Assignee: Imanishi Kinzoku Kogyo Kabushiki KaishaInventors: Kenzo Okamoto, Hiroichi Sakai, Fumihiko Kitada, Hideharu Kimura