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).
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Publication number: 20210130668Abstract: A water- and oil-repellent agent that is an aqueous dispersion containing (A) a fluorine-free polymer having repeating units derived from a fluorine-free (meth)acrylic acid ester monomer, (B) a wax, (C) an aqueous medium, and (D) an emulsifier. The fluorine-free (meth)acrylic acid ester monomer is a compound represented by the formula CH2=CA11-C(?O)—O-A12 where A11 is a hydrogen atom or a methyl group and A12 is a linear or branched C18-30 hydrocarbon group. The emulsifier includes a sorbitan ester and another emulsifier, and the emulsifier has a hydrophilic-lipophilic balance (HLB) of 7.5 to 13.5. Also disclosed is a method of producing the water- and oil-repellent agent and a method of producing a treated substrate by applying the water- and oil-repellent agent to a substrate.Type: ApplicationFiled: December 20, 2017Publication date: May 6, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Ryousuke HARA, Rumi KAWABE, Masahiro MIYAHARA, Ikuo YAMAMOTO
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Publication number: 20210108371Abstract: A method for producing a paper, which includes applying at least one of ionizing radiation and plasma to at least one of a paper base and a compound (A) selected from: a compound having a carbon-carbon unsaturated bond and containing no fluorine atom in a molecular structure, and a compound containing no fluorine atom in a molecular structure in which radicals are generated by irradiation of an electron beam to the compound, to introduce a layer formed from the compound (A) on a surface of the paper base.Type: ApplicationFiled: December 23, 2020Publication date: April 15, 2021Applicants: OSAKA UNIVERSITY, DAIKIN INDUSTRIES, LTD.Inventors: Akihiro OSHIMA, Yoshikage OHMUKAI, Yuko SHIOTANI, Kazuyuki SATOU, Michio MATSUDA, Tomohiro YOSHIDA, Ikuo YAMAMOTO
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Publication number: 20200377774Abstract: A surface treatment agent containing: (A) a water repellent oil repellent polymer having a repeating unit derived from at least one water repellent oil repellent monomer selected from (A1) fluorine-containing monomers and (A2) non-fluorine monomers having a hydrocarbon group with 7-40 carbon atoms; (B) a silicone polymer represented by formula R533Si—O—[—Si(R51)2—O—]a—[—Si(R51)(R52)—O—]b—SiR533 (wherein each R51 group independently represents hydrogen, alkyl having 1-20 carbon atoms, aryl having 6-20 carbon atoms or alkoxy having 1-4 carbon atoms; each R52 independently represents a saturated hydrocarbon group having 23-40 carbon atoms; each R53 independently represents a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-20 carbon atoms, an alkoxy group having 1-4 carbon atoms or a saturated hydrocarbon group having 23-40 carbon atoms; a represents an integer of 0 or more; b represents an integer of 1 or more; and (a+b) is 10-200); and (C) a liquid medium.Type: ApplicationFiled: August 19, 2020Publication date: December 3, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kanako TAKAHASHI, Ryousuke HARA, Ikuo YAMAMOTO
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Publication number: 20200299441Abstract: Provided is a surface treatment agent which does not use fluorine-containing monomers, particularly fluoroalkyl group-containing monomers. Additionally, provided is a copolymer which includes a first polymer formed from first monomers, and a second polymer formed from second monomers. The copolymer does not include fluorine. The second polymer is polymerized in the presence of the first polymer. The first monomers include a long-chain acrylate ester monomer (a) represented by the formula CH2=CA11-C(?O)—O-A12 (in the formula, A11 represents hydrogen, a monovalent organic group, or a halogen, and A12 represents a C18-30 straight-chain or branched hydrocarbon group). The first monomers and the second monomers both include a halogenated olefin monomer (b).Type: ApplicationFiled: March 15, 2017Publication date: September 24, 2020Applicants: DAIKIN INDUSTRIES, LTD., NISSIN CHEMICAL INDUSTRY CO., LTDInventors: Rumi KAWABE, Masaki FUKUMORI, Ryosuke HARA, Masahiro MIYAHARA, Shinichi MINAMI, Ikuo YAMAMOTO, Yasuhiro MITTA, Akifumi MITAKE
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Publication number: 20200239613Abstract: Provided is a water repellent composition which does not use a fluorine-containing monomer, especially a fluoroalkyl group-containing monomer. A water repellent composition which contains (1) (a) a polymer which has a repeating unit derived from an amide group-containing monomer that is represented by formula: (wherein R1 represents an organic residue having an ethylenically unsaturated polymerizable group; R2 represents a hydrocarbon group having 7-30 carbon atoms; and R3 represents a hydrocarbon group having 1-5 carbon atoms) in an amount of 2-100% by weight relative to the polymer, and (2) a liquid medium.Type: ApplicationFiled: July 13, 2018Publication date: July 30, 2020Applicants: DAIKIN INDUSTRIES, LTD., NOF CORPORATIONInventors: Yuuki YAMAMOTO, Norimasa UESUGI, Ikuo YAMAMOTO, Kei-ichi MARUYAMA, Mitsuhiro FUKUSHIMA, Muneaki IIZUKA
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Patent number: 10640594Abstract: 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: GrantFiled: December 12, 2012Date of Patent: May 5, 2020Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shinichi Minami, Masaki Fukumori, Tetsuya Uehara, Hisako Nakamura, Ikuo Yamamoto
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Publication number: 20200055970Abstract: Provided is a fluorinated polymer that can impart excellent washing durability and water- and oil-repellency to fibers, said fluorinated polymer having a repeating unit derived from a fluorinated monomer (a) that comprises a first fluorinated monomer (a1) represented by the formula: CH2?C(—X1)—C(?O)—Y1—Z1—Rf1 [wherein X1 represents a halogen atom; Y1 represents —O— or —NH—; Z1 represents a direct bond or a bivalent organic group; and Rf1 represents a fluoroalkyl group having 1 to 20 carbon atoms] and a second fluorinated monomer (a2) represented by the formula: CH2?C(—X2)—C(?O)—Y2—Z2—Rf2 [wherein X2 represents a monovalent organic group or a hydrogen atom; Y2 represents —O— or —NH—; Z2 represents a direct bond or a bivalent organic group; and Rf2 represents a fluoroalkyl group having 1 to 20 carbon atoms].Type: ApplicationFiled: October 31, 2017Publication date: February 20, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shinichi MINAMI, Masaki FUKUMORI, Takashi ENOMOTO, Takuya YOSHIOKA, Ikuo YAMAMOTO, Bin ZHOU, Min ZHU
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Publication number: 20190352237Abstract: Provided is a masonry treatment composition containing a fluorine-containing polymer, which contains, as essential components, a fluorine-containing monomer having a fluoroalkyl group represented by the formula (a) CH2?C(—X)—C(?O)—Y—Z—Rf, a first hydrophilic monomer represented by formula (b) CH2?CX11C(?O)—O—RO—X12, a second hydrophilic monomer represented by formula (c) CH2?CX21C(?O)—O—(RO)n—X22 or CH2?CX31C(?O)—O—(RO)n—C(?O)CX32?CH2, and (d) repeating units derived from a monomer having an anion donor and an ethylenic unsaturated double bond. Provided is a treatment composition which can impart outstanding water repellency, oil repellency and anti-fouling properties to a masonry substrate.Type: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Applicant: DAIKIN INDUSTRIES, LTDInventors: Kanako TAKAHASHI, Masaki FUKUMORI, Ikuo YAMAMOTO
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Patent number: 10458488Abstract: A one-way clutch includes an inner ring, an outer ring, a plurality of rollers, an annular cage that holds the rollers, and springs that bias the rollers toward a first side in a circumferential direction. The inner ring has a rib portion located on a first side in an axial direction and protruding outward in a radial direction. The cage has a pair of annular portions provided on the first side and a second side in the axial direction with respect to the rollers and a plurality of cage bars. One of the annular portions on the first side in the axial direction has an abutting contact surface that comes into abutting contact with the rib portion in the axial direction.Type: GrantFiled: December 8, 2016Date of Patent: October 29, 2019Assignee: JTEKT CORPORATIONInventors: Ikuo Yamamoto, Tomoya Yamatani
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Publication number: 20190226535Abstract: A clutch device includes a shaft member, an outer rotor provided on a radially outer side of the shaft member, a clutch module configured to selectively switch between a free state where the shaft member and the outer rotor are allowed to rotate relatively and a lock state where the shaft member and the outer rotor are not allowed to rotate relatively, a coil spring configured to absorb a rotational fluctuation between the shaft member and the outer rotor in the lock state, and a bearing configured to support the shaft member and the outer rotor to rotate relatively is in the free state, and the clutch module is provided on the radially outer side of the shaft member, and the coil spring configured to absorb the rotational fluctuation is provided further radially outwards than the clutch module.Type: ApplicationFiled: May 23, 2017Publication date: July 25, 2019Applicant: JTEKT CORPORATIONInventors: Hiroshi INUKAI, Ikuo YAMAMOTO, Tomoya YAMATANI, Masayo GODA
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Publication number: 20190077984Abstract: Provided is a surface treatment agent which does not use fluorine-containing monomers, particularly fluoroalkyl group-containing monomers. The surface treatment agent is a water-based emulsion which includes: a copolymer (1) which includes a first polymer formed from first monomers, and a second polymer formed from second monomers, wherein the second polymer is polymerized in the presence of the first polymer, the first monomers include a long-chain acrylate ester monomer (a) represented by the formula CH2?CA11-C(?O)—O-A12 (in the formula, A11 represents hydrogen, a monovalent organic group, or a halogen, and A12 represents a C18-30 straight-chain or branched hydrocarbon group), the first monomers do not include a halogenated olefin monomer (b), and the second monomers include the halogenated olefin monomer (b); a surfactant (2) including a nonionic surfactant; and a liquid medium (3) including water.Type: ApplicationFiled: March 15, 2017Publication date: March 14, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Rumi KAWABE, Masaki FUKUMORI, Ryosuke HARA, Masahiro MIYAHARA, Shinichi MINAMI, Ikuo YAMAMOTO
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Patent number: 9988759Abstract: A surface treatment agent, which can impart the excellent water- and oil-repellency, soil resistance and feeling to the substrate, is obtained from a fluorine-containing polymer which contains: (A) a monomer which comprises; (A1) a fluorine-containing monomer of the formula: CH2?C(—X)—C(?O)—Y—Z—Rf wherein X is a hydrogen atom, a monovalent organic group, or a halogen atom, Y is —O— or —NH—, Z is a direct bond or a divalent organic group, and Rf is a fluoroalkyl group having 1 to 20 carbon atoms, and (A2) a (meth)acrylate monomer having a cyclic hydrocarbon group, and (B) at least one functional organopolysiloxane selected from the group consisting of a mercapto-functional organopolysiloxane, a vinyl-functional organopolysiloxane, a (meth)acrylamide-functional organopolysiloxane and a (meth)acrylate-functional group.Type: GrantFiled: September 11, 2009Date of Patent: June 5, 2018Assignees: Dow Silicones Corporation, Daikin Industries, Ltd.Inventors: Shinichi Minami, Takashi Enomoto, Tetsuya Masutani, Masahiro Miyahara, Mitsuhiro Usugaya, Rumi Takeuchi, Ikuo Yamamoto, Peter Cheshire Hupfield
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Patent number: 9937095Abstract: An exercise training apparatus attached to a trainee who performs a body exercise training, includes movable bodies, actuators, sensors and a processor. The movable bodies each having a fixed member which a part of a trainee's body is fixed to and exercising a trainee's extremities by rotating around shafts, respectively. The sensors each detecting a physical quantity that changes depending on force applied to the fixed members by a trainee. The processor, in response to a detection of a predetermined change in a physical quantity by the sensors, driving the actuators, rotating the movable bodies in a first direction and successively rotating the movable bodies in a second direction opposite to the first direction.Type: GrantFiled: May 8, 2013Date of Patent: April 10, 2018Assignee: UNIVERSITY OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH, JAPANInventors: Kenji Hachisuka, Futoshi Wada, Taiji Oda, Yoshie Nakanishi, Ikuo Yamamoto, Takunori Tsuji, Hideyuki Sakoda
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Patent number: 9897151Abstract: A one-way clutch includes an inner ring, an outer ring, a plurality of rollers, an annular cage in which pockets are formed at intervals in a circumferential direction so that the rollers are held in the pockets, and springs attached to cage bars of the cage to bias the rollers. The cage has protruding portions fitted in the inner ring so that the cage is not allowed to rotate with respect to the inner ring. The inner ring has recessed portions each including a cam surface that allows a corresponding one of the engagement elements to be engaged between the cam surface and an inner peripheral surface of the outer ring. Each of the recessed portions further has a fitting surface that is formed as a surface continuous with the cam surface in the recessed portion and on which a corresponding one of the protruding portions is closely fitted.Type: GrantFiled: December 8, 2016Date of Patent: February 20, 2018Assignee: JTEKT CORPORATIONInventors: Hiroshi Inukai, Ikuo Yamamoto
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Publication number: 20180038044Abstract: Disclosed is a nonwoven fabric formed from (i) a nonwoven fabric substrate and (ii) a fluorine-containing polymer adhering to the nonwoven fabric substrate, wherein the fluorine-containing polymer contains: (a) repeating units formed from a fluorine-containing monomer which is alpha-chloro acrylate or alpha-chloro acrylamide containing a fluoroalkyl group, and (b) repeating units formed from a halogenated olefin monomer, and the fluorine-containing polymer is free from repeating units formed from a (meth)acrylate containing a linear or branched hydrocarbon group having at least 18 carbon atoms.Type: ApplicationFiled: July 28, 2017Publication date: February 8, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shinichi MINAMI, Masaki FUKUMORI, Takashi ENOMOTO, Ikuo YAMAMOTO, Min ZHU
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Publication number: 20170197888Abstract: Provided is a masonry treatment composition containing a fluorine-containing polymer, which contains, as essential components, a fluorine-containing monomer having a fluoroalkyl group represented by the formula (a) CH2?C(—X)—C(?O)—Y—Z—Rf, a first hydrophilic monomer represented by formula (b) CH2?CX11C(?O)—O—RO—X12, a second hydrophilic monomer represented by formula (c) CH2?CX21C(?O)—O—(RO)n—X22 or CH2?CX31C(?O)—O—(RO)n—C(?O)CX32?CH2, and (d) repeating units derived from a monomer having an anion donor and an ethylenic unsaturated double bond. Provided is a treatment composition which can impart outstanding water repellency, oil repellency and anti-fouling properties to a masonry substrate.Type: ApplicationFiled: May 21, 2015Publication date: July 13, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kanako TAKAHASHI, Masaki FUKUMORI, Ikuo YAMAMOTO
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Patent number: 9688797Abstract: 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: GrantFiled: June 18, 2014Date of Patent: June 27, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tetsuya Uehara, Masahiro Miyahara, Masaki Fukumori, Kanako Fukumoto, Ikuo Yamamoto
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Publication number: 20170175827Abstract: A one-way clutch includes an inner ring, an outer ring, a plurality of rollers, an annular cage in which pockets are formed at intervals in a circumferential direction so that the rollers are held in the pockets, and springs attached to cage bars of the cage to bias the rollers. The cage has protruding portions fitted in the inner ring so that the cage is not allowed to rotate with respect to the inner ring. The inner ring has recessed portions each including a cam surface that allows a corresponding one of the engagement elements to be engaged between the cam surface and an inner peripheral surface of the outer ring. Each of the recessed portions further has a fitting surface that is formed as a surface continuous with the cam surface in the recessed portion and on which a corresponding one of the protruding portions is closely fitted.Type: ApplicationFiled: December 8, 2016Publication date: June 22, 2017Applicant: JTEKT CORPORATIONInventors: Hiroshi INUKAI, Ikuo YAMAMOTO
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Publication number: 20170175826Abstract: A one-way clutch includes an inner ring, an outer ring, a plurality of rollers, an annular cage that holds the rollers, and springs that bias the rollers toward a first side in a circumferential direction. The inner ring has a rib portion located on a first side in an axial direction and protruding outward in a radial direction. The cage has a pair of annular portions provided on the first side and a second side in the axial direction with respect to the rollers and a plurality of cage bars. One of the annular portions on the first side in the axial direction has an abutting contact surface that comes into abutting contact with the rib portion in the axial direction.Type: ApplicationFiled: December 8, 2016Publication date: June 22, 2017Applicant: JTEKT CORPORATIONInventors: Ikuo YAMAMOTO, Tomoya YAMATANI
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Patent number: 9677220Abstract: Disclosed is a fluorine-containing polymer prepared by polymerizing (I) a polyfluoroalkyl group-containing (meth)acrylate which is substituted at alpha-position, in the presence of (II) a blocked isocyanate compound. 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: GrantFiled: November 18, 2010Date of Patent: June 13, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Norimasa Uesugi, Kouji Kubota, Ikuo Yamamoto, Peter Cheshire Hupfield