Patents by Inventor Ikuo Yamamoto

Ikuo Yamamoto 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: 9540470
    Abstract: Disclosed is a treatment agent for paper comprising a fluorine-containing copolymer having a repeat unit (a) derived from a fluorine-containing monomer represented by general formula (I): CH2?C(—X)—C(?O)—Y—[—CH2)m—Z—]p—(CH2)n—Rf; a repeat unit (b) derived from at least one amino monomer represented by general formula (II-1): or a derivative thereof; and a repeat unit (c) derived from a pyrrolidone monomer represented by general formula (III): The treatment agent for paper provides paper having high oil resistance and high water resistance.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: January 10, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Michio Matsuda, Tetsuya Uehara, Norimasa Uesugi, Ikuo Yamamoto, Kayo Kusumi
  • Publication number: 20160237614
    Abstract: A fluorine-containing polymer including: (a) a repeat unit in which the ?-position is an acrylate ester monomer substituted with a monovalent organic group or a halogen atom and which is derived from a fluorine-containing monomer having a fluoroalkyl group; (b) a repeat unit which is an alkyl acrylate having a C6-13 alkyl group and is derived from a non-fluorine monomer; and (c) a repeat unit derived from a non-fluorine (meth)acrylate monomer having a cyclic hydrocarbon group. Also disclosed is a surface treatment agent containing the fluorine-containing polymer, a method of treating a substrate with the surface treatment agent and a treated substrate.
    Type: Application
    Filed: October 22, 2014
    Publication date: August 18, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Rumi Kawabe, Ryousuke Hara, Kyouhei Sawaki, Ikuo Yamamoto
  • Patent number: 9416486
    Abstract: Provided is a water and oil repellent composition that provides water and oil repellency that is excellent for base materials such as textile products, and is excellent for preventing adhesion of polymers on rolls during processing. The present invention involves a method for manufacturing a fluorine-containing polymer comprising a first polymer formed from a first monomer, and a second polymer formed from a second monomer. The manufacturing method includes: (I) a step for obtaining the first polymer by polymerizing the first monomer; and (II) a step for obtaining the second polymer by preparing and polymerizing the second monomer in the presence of the first polymer. The first monomer and/or the second monomer includes a fluorine-containing monomer (a), and both the first monomer and the second monomer include a halogenated olefin (b).
    Type: Grant
    Filed: July 4, 2013
    Date of Patent: August 16, 2016
    Assignees: DAIKIN INDUSTRIES, LTD., NISSIN CHEMICAL INDUSTRY CO., LTD
    Inventors: Ryousuke Hara, Rumi Kawabe, Ikuo Yamamoto, Yuji Gama, Nobuyuki Takahata, Yasuhiro Mitta
  • Patent number: 9410607
    Abstract: A pulley unit having a sleeve, a pulley and a cap member, wherein the cap member has an annular portion extending from a cover portion in an axial direction and fitted into a hexagon socket portion (polygonal inner peripheral portion), claw portions are formed to extend from the annular portion in the axial direction, and a peripheral surface of the annular portion is provided with first plane portions facing surfaces of the hexagon socket portion.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 9, 2016
    Assignee: JTEKT CORPORATION
    Inventor: Ikuo Yamamoto
  • Patent number: 9365714
    Abstract: Disclosed is a fluorine-containing polymer prepared by polymerizing: (I) a polyfluoroalkyl group-containing (meth)acrylate, in the presence of: (II) an isocyanate compound blocked with a pyrazole compound or a malonate ester. A water- and oil-repellent composition containing the fluorine-containing polymer can impart the excellent water- and oil-repellency, and excellent durability thereof to substrates.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: June 14, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Norimasa Uesugi, Masashi Nanri, Ikuo Yamamoto, Peter Cheshire Hupfield
  • Publication number: 20160137765
    Abstract: A fluorine-containing polymer having (a) a repeating unit derived from a fluorine-containing monomer indicated by the formula CH2?C(—X)—C(?O)—Y—Z—Rf, (b) a repeating unit derived from a cyclic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH2?CQ11-C(?O)—O-Q12, and (c) a repeating unit derived from an aliphatic-hydrocarbon-group-containing acrylate ester monomer indicated by the formula CH2?CQ21-C(?O)—O-Q22. The fluorine-containing polymer is produced by polymerizing in the presence of one or both of (d) a silicon-containing monomer and a silicon-containing chain transfer agent.
    Type: Application
    Filed: June 18, 2014
    Publication date: May 19, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tetsuya UEHARA, Masahiro MIYAHARA, Masaki FUKUMORI, Kanako FUKUMOTO, Ikuo YAMAMOTO
  • Patent number: 9328455
    Abstract: A surface-treating agent comprises a fluoropolymer comprising (A) repeating units derived from a fluorine-containing monomer of the formula: (B) repeating units derived from a monomer free from a fluorine atom. The surface treating agent is excellent in water repellency, oil repellency and unsusceptibility to fouling even when the side chains are C4 or lower fluoroalkyl groups.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: May 3, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Ikuo Yamamoto, Tetsuya Masutani
  • Publication number: 20150191869
    Abstract: Provided is a water and oil repellent composition that provides water and oil repellency that is excellent for base materials such as textile products, and is excellent for preventing adhesion of polymers on rolls during processing. The present invention involves a method for manufacturing a fluorine-containing polymer comprising a first polymer formed from a first monomer, and a second polymer formed from a second monomer. The manufacturing method includes: (I) a step for obtaining the first polymer by polymerizing the first monomer; and (II) a step for obtaining the second polymer by preparing and polymerizing the second monomer in the presence of the first polymer. The first monomer and/or the second monomer includes a fluorine-containing monomer (a), and both the first monomer and the second monomer include a halogenated olefin (b).
    Type: Application
    Filed: July 4, 2013
    Publication date: July 9, 2015
    Applicants: NISSIN CHEMICAL INDUSTRY CO., LTD, DAIKIN INDUSTRIES, LTD.
    Inventors: Ryousuke Hara, Rumi Kawabe, Ikuo Yamamoto, Yuji Gama, Nobuyuki Takahata, Yasuhiro Mitta
  • Publication number: 20150192196
    Abstract: A pulley unit having a sleeve, a pulley and a cap member, wherein the cap member has an annular portion extending from a cover portion in an axial direction and fitted into a hexagon socket portion (polygonal inner peripheral portion), claw portions are formed to extend from the annular portion in the axial direction, and a peripheral surface of the annular portion is provided with first plane portions facing surfaces of the hexagon socket portion.
    Type: Application
    Filed: December 19, 2014
    Publication date: July 9, 2015
    Inventor: Ikuo YAMAMOTO
  • Publication number: 20150133828
    Abstract: An exercise training apparatus 10 attached to a trainee who performs a body exercise training, includes movable bodies 11, 12, actuators 13, 14, change detecting means 15, 16 and a controlling means 25, the movable bodies 11, 12 having fixed members 11a, 12a which a part of a trainee's body is fixed to and exercising a trainee's extremities by rotating around shafts 19, 22, respectively, the change detecting means 15, 16 each detecting a physical quantity that changes depending on force applied to the fixed members 11a, 12a by a trainee, the controlling means 25, in response to a detection of a predetermined change in a physical quantity by the change detecting means 15, 16, driving the actuators 13, 14, rotating the movable bodies 11, 12 in a first direction and successively rotating the movable bodies 11, 12 in a second direction opposite to the first direction.
    Type: Application
    Filed: May 8, 2013
    Publication date: May 14, 2015
    Applicant: UNIVERSITY OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, JAPAN
    Inventors: Kenji Hachisuka, Futoshi Wada, Taiji Oda, Yoshie Nakanishi, Ikuo Yamamoto, Takunori Tsuji, Hideyuki Sakoda
  • Patent number: 8927667
    Abstract: A fluorosilicone reaction product of a vinyl functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone are disclosed. The fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties to the textile. The fluorosilicone reaction product is prepared from (A) a fluorine-containing monomer of the formula CH2?C(X)COOYRf, and (B) a vinyl functional organopolysiloxane.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: January 6, 2015
    Assignees: Daikin Industries, Ltd., Dow Corning Corporation
    Inventors: Ikuo Yamamoto, Tetsuya Masutani, Shinichi Minami, Peter Cheshire Hupfield, Avril E. Surgenor, Samantha Reed
  • Publication number: 20140364028
    Abstract: Disclosed is a fluorine-containing composition which contains a fluorine-containing polymer that has repeating units respectively derived from (A) a fluorine-containing monomer that is an alpha-chloroacrylate having a fluoroalkyl group, (B) a monomer that has a linear or branched hydrocarbon group but does not have a fluoroalkyl group, and (C) a monomer that has a cyclic hydrocarbon group but does not have a fluoroalkyl group. This fluorine-containing composition is capable of providing a base such as a fiber product with excellent water repellency, especially strong water repellency.
    Type: Application
    Filed: December 12, 2012
    Publication date: December 11, 2014
    Inventors: Shinichi Minami, Masaki Fukumori, Tetsuya Uehara, Hisako Nakamura, Ikuo Yamamoto
  • Patent number: 8683938
    Abstract: Provided is an underwater posture stabilization system which, by being attached to various underwater equipment such as undersea equipment and underwater vehicles having different shapes and positions of the center of gravity according to their purpose and the like, allows simply and reliably setting their posture in water (basic posture), is excellent in versatility, is not only excellent in posture stability since, when the posture inclines under the effect and the like of tidal currents and pulsating currents, a moment to restore the posture to its original posture naturally acts, but is also capable of easily changing the posture as needed, and also is capable of stably controlling the posture even in the presence of complicated tidal currents and pulsating currents, and is excellent in reliability, stability, and certainty of posture control.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: April 1, 2014
    Assignee: Kitakyushu Foundation for the Advancement of Industry, Science and Technology
    Inventors: Akihito Shoda, Tohru Harada, Ikuo Yamamoto, Kazuo Ishii, Amir Ali Forough Nassiraei
  • Patent number: 8568886
    Abstract: Disclosed is a fluorine-containing copolymer having sufficient stability in water, which is capable of providing paper with sufficient oil resistance. The fluorine-containing polymer contains, as essential components, (a) a fluorine-containing monomer represented by general formula (I) CH2?C(—X)—C(?O)—Y—[—(CH2)m—Z—]p—(CH2)n—Rf (wherein X represents a hydrogen atom; Y represents —O— or —NH—; Z represents a direct bond, —S— or —SO2—; Rf represents a fluoroalkyl group having 1-6 carbon atoms; m is a number of 1-10; n is a number of 0-10; and p is 0 or 1) and (b) an alkoxy group-containing monomer represented by general formula (II) CH2?C(X?)—C(?O)—O—(RO)q—H (wherein X? represents a hydrogen atom or a methyl group; R represents an alkylene group having 2-4 carbon atoms wherein a part or all of hydrogen atoms may be substituted by a hydroxyl group; and q represent an integer of 1-50). The fluorine-containing polymer does not contain a monomer having an amino group.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: October 29, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Michio Matsuda, Tetsuya Uehara, Mitsuhiro Usugaya, Ikuo Yamamoto, Takashi Enomoto, Kayo Kusumi
  • Patent number: 8552106
    Abstract: A fluorosilicone reaction product of a mercapto or vinyl functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone are disclosed. The fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties to the textile. The fluorosilicone reaction product is prepared from (A) a fluorine-containing monomer of the formula CH2?C(X)COOYRf, and (B) a mercapto or vinyl functional organopolysiloxane.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: October 8, 2013
    Assignees: Daikin Industries, Ltd., Dow Coming Corporation
    Inventors: Ikuo Yamamoto, Tetsuya Masutani, Masahiro Miyahara, Takashi Enomoto, Shinichi Minami, Peter Cheshire Hupfield, Samantha Reed, Avril E. Surgenor
  • Publication number: 20130165006
    Abstract: The water-and-oil repellant composition of the invention including an aqueous dispersion of a pyrazole blocked hydrophobic polyisocyanate containing a pyrazole blocked hydrophobic polyisocyanate represented by the following formula (I) and a non-ionic surface active agent, and a water-and-oil repellant component having a perfluoroalkyl group with 6 carbon atoms or less is provided: R(—NH—CO—Z)m??(I) [in the formula (I), m represents an integer of 2 or more; R represents a residue after an “m” number of isocyanate groups have been removed from a polyisocyanate compound with an “m” number of isocyanate groups; Z represents a residue, which is the same or different from each other, after hydrogen atoms have been removed from active hydrogen-containing compounds that are capable of reacting with an isocyanate group, and at least two of the Z's are a pyrazole groups represented by the formula (II): {in the formula (II), n represents an integer of from 0 to 3; if n is 1 or higher, R1, which is the sa
    Type: Application
    Filed: July 25, 2011
    Publication date: June 27, 2013
    Applicants: DAIKIN INDUSTRIES LTD, NICCA CHEMICAL CO LTD
    Inventors: Gou Yoshino, Norihiro Taniguchi, Hiromu Oda, Makoto Nishikawa, Takashi Enomoto, Masahiro Miyahara, Ikuo Yamamoto
  • Patent number: 8461254
    Abstract: A fluorosilicone reaction product of a mercapto functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone are disclosed. The fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties to the textile. The fluorosilicone reaction product is prepared from (A) a fluorine-containing monomer of the formula CH2?C(X)COOYRf, and (B) a mercapto functional organopolysiloxane.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: June 11, 2013
    Assignees: Dow Corning Corporation, Daikin Industries, Ltd.
    Inventors: Ikuo Yamamoto, Shinichi Minami, Tetsuya Masutani, Peter C. Hupfield, Avril E. Surgenor
  • Publication number: 20130078880
    Abstract: Disclosed is a fluorine-containing polymer prepared by polymerizing: (I) a polyfluoroalkyl group-containing (meth)acrylate, in the presence of: (II) an isocyanate compound blocked with a pyrazole compound or a malonate ester. A water- and oil-repellent composition containing the fluorine-containing polymer can impart the excellent water- and oil-repellency, and excellent durability thereof to substrates.
    Type: Application
    Filed: November 18, 2010
    Publication date: March 28, 2013
    Inventors: Norimasa Uesugi, Masashi Nanri, Ikuo Yamamoto, Peter Cheshire Hupfield
  • Patent number: 8394887
    Abstract: A fluoropolymer comprising: (A) repeating unit derived from an S-sulfate monomer having an —S—SO3— group and carbon to carbon double bond; and (B) repeating unit derived from a fluoromonomer having a fluorine atom and carbon to carbon double bond. This fluoropolymer can be a constituent of water/oil repellent agent having excellent water/oil repelling capability, and is stable in air and permits an arbitrary control of crosslinking.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: March 12, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Kiyoshi Yamauchi, Shinichi Minami, Ikuo Yamamoto
  • Publication number: 20130030130
    Abstract: A method for producing block polymers which involves (i) a step for obtaining a polymer of first monomers by means of a first polymerization reaction to polymerize the first monomers in the presence of an alkoxyamine catalyst, and (ii) a step for obtaining a block polymer by means of a second polymerization reaction to polymerize second monomers in the presence of an alkoxyamine catalyst and the polymers of the first monomers, wherein at least one of the kinds of monomers is a fluorinated (meth)acrylate monomer.
    Type: Application
    Filed: February 10, 2011
    Publication date: January 31, 2013
    Applicant: DAIKIN INDUSTRIES LTD.
    Inventors: Yutaka Ohhira, Ikuo Yamamoto