Patents by Inventor Daisuke Nishiguchi

Daisuke Nishiguchi 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).

  • Eyewear material, eyewear frame, and eyewear
    Patent number: 9720137
    Abstract: The eyewear material is an eyewear material containing thermoplastic polyurethane. The eyewear material has a tan ? peak at both less than 0° C. and 0° C. or more and 70° C. or less observed in dynamic viscoelasticity measurement in tensile mode under the measurement conditions of a temperature increase speed of 5° C./min and a measurement frequency of 10 Hz.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: August 1, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Yamasaki, Goro Kuwamura, Daisuke Nishiguchi, Daisuke Hasegawa, Toshihiko Nakagawa, Hirokazu Morita, Hidetaka Tsukada, Kenichi Goto, Shinsuke Ito, Naoyuki Kakinuma, Tetsuya Hamada, Shinji Kiyono, Takeshi Fukuda, Kazuhiro Kosumi
  • Low-resilience polyurethane foam and production method thereof
    Patent number: 9611370
    Abstract: A low-resilience polyurethane foam is produced by allowing a low-resilience polyurethane foam composition containing polyisocyanate (a), polyol (b), catalyst (c), and blowing agent (d) to react. The polyisocyanate (a) contains bis(isocyanatomethyl)cyclohexane, and the polyol (b) contains 5 to 30 mass % of polyol (b-1) having an average functionality of 1.5 to 4.5 and a hydroxyl number of 20 to 70 mgKOH/g, and 70 to 95 mass % of polyol (b-2) having an average functionality of 1.5 to 4.5 and a hydroxyl number of 140 to 300 mgKOH/g.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 4, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Daisuke Nishiguchi, Masakazu Kageoka, Toshiaki Moriya, Satoshi Yamasaki
  • 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens
    Patent number: 9475903
    Abstract: 1,4-bis(isocyanatomethyl)cyclohexane contains 70 mol % or more and 95 mol % or less of a trans isomer relative to a total amount of a cis isomer and the trans isomer, and 0.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: October 25, 2016
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Yamasaki, Hirokazu Morita, Goro Kuwamura, Daisuke Nishiguchi, Toshihiko Nakagawa, Daisuke Hasegawa, Tetsuya Hamada, Shinji Kiyono, Takeshi Fukuda, Kazuhiro Kosumi, Hidetaka Tsukada, Kenichi Goto, Shinsuke Ito, Naoyuki Kakinuma
  • 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens
    Patent number: 9477012
    Abstract: 1,4-bis(isocyanatomethyl)cyclohexane contains 70 mol % or more and 95 mol % or less of a trans isomer relative to a total amount of a cis isomer and the trans isomer, and 0.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: October 25, 2016
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Satoshi Yamasaki, Hirokazu Morita, Goro Kuwamura, Daisuke Nishiguchi, Toshihiko Nakagawa, Daisuke Hasegawa, Tetsuya Hamada, Shinji Kiyono, Takeshi Fukuda, Kazuhiro Kosumi, Hidetaka Tsukada, Kenichi Goto, Shinsuke Ito, Naoyuki Kakinuma
  • EYEWEAR MATERIAL, EYEWEAR FRAME, AND EYEWEAR
    Publication number: 20160238857
    Abstract: The eyewear material is an eyewear material containing thermoplastic polyurethane. The eyewear material has a tan ? peak at both less than 0° C. and 0° C. or more and 70° C. or less observed in dynamic viscoelasticity measurement in tensile mode under the measurement conditions of a temperature increase speed of 5° C./min and a measurement frequency of 10 Hz.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 18, 2016
    Inventors: Satoshi YAMASAKI, Goro KUWAMURA, Daisuke NISHIGUCHI, Daisuke HASEGAWA, Toshihiko NAKAGAWA, Hirokazu MORITA, Hidetaka TSUKADA, Kenichi GOTO, Shinsuke ITO, Naoyuki KAKINUMA, Tetsuya HAMADA, Shinji KIYONO, Takeshi FUKUDA, Kazuhiro KOSUMI
  • LOW-RESILIENCE POLYURETHANE FOAM AND PRODUCTION METHOD THEREOF
    Publication number: 20160024268
    Abstract: A low-resilience polyurethane foam is produced by allowing a low-resilience polyurethane foam composition containing polyisocyanate (a), polyol (b), catalyst (c), and blowing agent (d) to react. The polyisocyanate (a) contains bis(isocyanatomethyl)cyclohexane, and the polyol (b) contains 5 to 30 mass % of polyol (b-1) having an average functionality of 1.5 to 4.5 and a hydroxyl number of 20 to 70 mgKOH/g, and 70 to 95 mass % of polyol (b-2) having an average functionality of 1.5 to 4.5 and a hydroxyl number of 140 to 300 mgKOH/g.
    Type: Application
    Filed: March 15, 2013
    Publication date: January 28, 2016
    Inventors: Daisuke NISHIGUCHI, Masakazu KAGEOKA, Toshiaki MORIYA, Satoshi YAMASAKI
  • 1,4-BIS(ISOCYANATOMETHYL)CYCLOHEXANE, POLYISOCYANATE COMPOSITION, POLYURETHANE RESIN, MOLDED ARTICLE, EYEWEAR MATERIAL, EYEWEAR FRAME, AND LENS
    Publication number: 20150342276
    Abstract: 1,4-bis(isocyanatomethyl)cyclohexane contains 70 mol % or more and 95 mol % or less of a trans isomer relative to a total amount of a cis isomer and the trans isomer, and 0.
    Type: Application
    Filed: September 25, 2014
    Publication date: December 3, 2015
    Inventors: Satoshi YAMASAKI, Hirokazu MORITA, Goro KUWAMURA, Daisuke NISHIGUCHI, Toshihiko NAKAGAWA, Daisuke HASEGAWA, Tetsuya HAMADA, Shinji KIYONO, Takeshi FUKUDA, Kazuhiro KOSUMI, Hidetaka TSUKADA, Kenichi GOTO, Shinsuke ITO, Naoyuki KAKINUMA
  • 1,4-BIS(ISOCYANATOMETHYL)CYCLOHEXANE, POLYISOCYANATE COMPOSITION, POLYURETHANE RESIN, MOLDED ARTICLE, EYEWEAR MATERIAL, EYEWEAR FRAME, AND LENS
    Publication number: 20150346387
    Abstract: 1,4-bis(isocyanatomethyl)cyclohexane contains 70 mol % or more and 95 mol % or less of a trans isomer relative to a total amount of a cis isomer and the trans isomer, and 0.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 3, 2015
    Inventors: Satoshi YAMASAKI, Hirokazu MORITA, Goro KUWAMURA, Daisuke NISHIGUCHI, Toshihiko NAKAGAWA, Daisuke HASEGAWA, Tetsuya HAMADA, Shinji KIYONO, Takeshi FUKUDA, Kazuhiro KOSUMI, Hidetaka TSUKADA, Kenichi GOTO, Shinsuke ITO, Naoyuki KAKINUMA
  • Granular polyurethane resin composition and molded article of the same
    Patent number: 8907041
    Abstract: Disclosed is a granular polyurethane resin composition containing a thermoplastic polyurethane resin which contains a hard segment obtained by a reaction between a polyisocyanate and a chain extender. The polyisocyanate contains isocyanate groups of 1,4-bis(isocyanatomethyl)cyclohexane in an amount of not less than 50% by more relative to the total mole number of isocyanate groups.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: December 9, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Daisuke Nishiguchi, Kei Ootsuki, Satoshi Yamasaki
  • GRANULAR POLYURETHANE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME
    Publication number: 20140024797
    Abstract: Disclosed is a granular polyurethane resin composition containing a thermoplastic polyurethane resin which contains a hard segment obtained by a reaction between a polyisocyanate and a chain extender. The polyisocyanate contains isocyanate groups of 1,4-bis(isocyanatomethyl)cyclohexane in an amount of not less than 50% by more relative to the total mole number of isocyanate groups.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Daisuke NISHIGUCHI, Kei OOTSUKI, Satoshi YAMASAKI
  • Mixed fiber and stretch nonwoven fabric comprising said mixed fiber and method for manufacture thereof
    Patent number: 8021995
    Abstract: A fiber mixture according to the invention comprises fibers A comprising a polymer A containing a thermoplastic polyurethane elastomer and fibers B comprising a thermoplastic polymer B other than the thermoplastic polyurethane elastomer, said thermoplastic polyurethane elastomer having a starting temperature for solidifying of 65° C. or above as measured by a differential scanning calorimeter (DSC) and containing 3.00×106 or less polar-solvent-insoluble particles per g counted on a particle size distribution analyzer, which is based on an electrical sensing zone method, equipped with an aperture tube having an orifice of 100 ?m in diameter. An elastic nonwoven fabric comprises the fiber mixture.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: September 20, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kenichi Suzuki, Shigeyuki Motomura, Satoshi Yamasaki, Daisuke Nishiguchi, Hisashi Kawanabe
  • GRANULAR POLYURETHANE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME
    Publication number: 20100227985
    Abstract: Disclosed is a granular polyurethane resin composition containing a thermoplastic polyurethane resin which contains a hard segment obtained by a reaction between a polyisocyanate and a chain extender. The polyisocyanate contains isocyanate groups of 1,4-bis(isocyanatomethyl)cyclohexane in an amount of not less than 50% by more relative to the total mole number of isocyanate groups.
    Type: Application
    Filed: October 14, 2008
    Publication date: September 9, 2010
    Inventors: Daisuke Nishiguchi, Kei Ootsuki, Satoshi Yamasaki
  • Stretch nonwoven fabric and method for production thereof
    Patent number: 7659218
    Abstract: A spunbonded elastic nonwoven fabric according to the invention comprises fibers formed from a polymer comprising a thermoplastic polyurethane elastomer, wherein the thermoplastic polyurethane elastomer has a starting temperature for solidifying of 65° C. or above as measured by a differential scanning calorimeter (DSC) and contains 3.00×106 or less polar-solvent-insoluble particles per g as counted on a particle size distribution analyzer, which is based on an electrical sensing zone method, equipped with an aperture tube having an orifice of 100 ?m in diameter, and wherein the fibers have diameters such that the standard deviation of fiber diameters (Sn) divided by the average fiber diameter (Xave) (Sn/Xave) gives a value of 0.15 or less.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: February 9, 2010
    Assignee: Mitsui Chemicals, Inc
    Inventors: Daisuke Nishiguchi, Kenichi Suzuki, Satoshi Yamasaki, Shigeyuki Motomura, Hisashi Kawanabe
  • Stretch nonwoven fabric and method for production thereof
    Publication number: 20060141883
    Abstract: A spunbonded elastic nonwoven fabric according to the invention comprises fibers formed from a polymer comprising a thermoplastic polyurethane elastomer, wherein the thermoplastic polyurethane elastomer has a solidifying point of 65° C. or above as measured by a differential scanning calorimeter (DSC) and contains 3.00×106 or less polar-solvent-insoluble particles per g as counted on a particle size distribution analyzer, which is based on an electrical sensing zone method, equipped with an aperture tube having an orifice of 100 ?m in diameter, and wherein the fibers have diameters such that the standard deviation of fiber diameters (Sn) divided by the average fiber diameter (Xave) (Sn/Xave) gives a value of 0.15 or less.
    Type: Application
    Filed: January 23, 2004
    Publication date: June 29, 2006
    Applicants: MITSUI CHEMICALS, INC., MITSUI TAKEDA CHEMICALS, INC
    Inventors: Daisuke Nishiguchi, Kenichi Suzuki, Satoshi Yamasaki, Shigeyuki Motomura, Hisashi Kawanabe
  • Mixed fiber and, stretch nonwoven fabric comprising said mixed fiber and method for manufacture thereof
    Publication number: 20060121812
    Abstract: A fiber mixture according to the invention comprises fibers A comprising a polymer A containing a thermoplastic polyurethane elastomer and fibers B comprising a thermoplastic polymer B other than the thermoplastic polyurethane elastomer, said thermoplastic polyurethane elastomer having a solidifying point of 65° C. or above as measured by a differential scanning calorimeter (DSC) and containing 3.00×106 or less polar-solvent-insoluble particles per g counted on a particle size distribution analyzer, which is based on an electrical sensing zone method, equipped with an aperture tube having an orifice of 100 ?m in diameter. An elastic nonwoven fabric comprises the fiber mixture.
    Type: Application
    Filed: January 23, 2004
    Publication date: June 8, 2006
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kenichi Suzuki, Shigeyuki Motomura, Satoshi Yamasaki, Daisuke Nishiguchi, Hisashi Kawanabe
  • Microcellular polyurethane elastomer, and method of producing the same
    Patent number: 6437013
    Abstract: The microcellular polyurethane elastomer of the present invention has (1) an overall density (D) of 100 kg/m3 or more but 900 kg/m3 or less, and (2) overall density (D) and compression set (CS2, unit: %) satisfying the relationship shown by the following equation (1): and CS2≦0.00008*D2−0.091*D+42   (1)  overall density (D) and cell diameter (X, unit: &mgr;m) on the skin surface satisfying the relationship shown by the following equation (2): X≦120e−0.0015D   (2).
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: August 20, 2002
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Goro Kuwamura, Daisuke Nishiguchi, Satoshi Yamasaki, Takuya Chikamoto, Kazuto Usaka, Kaoru Ueno
  • Microcellular polyurethane elastomer, and method of producing the same
    Publication number: 20010031797
    Abstract: The microcellular polyurethane elastomer of the present invention has
    Type: Application
    Filed: February 16, 2001
    Publication date: October 18, 2001
    Inventors: Goro Kuwamura, Daisuke Nishiguchi, Satoshi Yamasaki, Takuya Chikamoto, Kazuto Usaka, Kaoru Ueno