Patents by Inventor Tadashi Ino
Tadashi Ino 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: 9449267Abstract: Embodiments of the present invention relates to methods and systems for preventing tampering of a smart tag, such as a near field communication (NFC) tag or the like, in a retail environment. The smart tag is typically coupled with a protector at one side of the smart tag to prevent programming or encoding of the smart tag. The protector is removed to allow the smart tag to be programmed or write enabled. The smart tag is typically coupled with a sticker for adhering with an object such as a gift item.Type: GrantFiled: April 2, 2014Date of Patent: September 20, 2016Assignee: CELLOTAPE, INC.Inventors: Nick Testanero, Larry Tadashi Ino
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Patent number: 9406958Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: GrantFiled: August 10, 2015Date of Patent: August 2, 2016Assignees: ASAHI KASEI KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.Inventors: Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Masaharu Nakazawa, Noriyuki Shinoki, Takashi Yoshimura, Masahiro Kondo
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Patent number: 9340648Abstract: A coating material including a perfluorocarbon sulfonic acid resin which is a copolymer including a polymerization unit represented by —(CF2—CFZ)—, in the formula, Z being H, Cl, F, or a C1-C3 perfluoroalkyl group, and a polymerization unit represented by —(CF2—CF(—O—(CF2)m—SO3H))—, in the formula, m being an integer of 1 to 12, and the perfluorocarbon sulfonic acid resin has an equivalent weight EW of 200 to 1000. Also disclosed is a laminate including a base material and a hydrophilic layer formed from the coating material.Type: GrantFiled: January 31, 2011Date of Patent: May 17, 2016Assignees: ASAHI KASEI E-MATERIALS CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Yuko Iizuka, Naoto Miyake, Tadashi Ino, Masahiro Kondo, Katsuhiko Imoto
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Publication number: 20150349366Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: ApplicationFiled: August 10, 2015Publication date: December 3, 2015Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Takahiko MURAI, Naoki SAKAMOTO, Naoto MIYAKE, Tadashi INO, Masaharu NAKAZAWA, Noriyuki SHINOKI, Takashi YOSHIMURA, Masahiro KONDO
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Patent number: 9133316Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: GrantFiled: September 17, 2010Date of Patent: September 15, 2015Assignees: ASAHI KASEI E-MATERIALS CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Masaharu Nakazawa, Noriyuki Shinoki, Takashi Yoshimura, Masahiro Kondo
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Patent number: 9109053Abstract: A method for producing a fluoropolymer dispersion where a fine particle containing a fluoropolymer is dispersed in an aqueous dispersion medium, the fluoropolymer having a sulfonic acid group, and the method including a polymerization reaction step of emulsion polymerizing a fluorovinyl ether derivative and a fluorine-containing ethylenic monomer to give a fluoropolymer precursor, a hydrolysis step of hydrolyzing, in an aqueous medium, —SO2X1, where X1 represents a halogen atom, which the fluoropolymer precursor has thereby to give the fluoropolymer, the fluorovinyl ether derivative being represented by the following general formula (II): CF2?CF—O—(CF2CFY1—O)n—(CFY2)m-A1??(II) wherein Y1, n, Y1, m and A1 are as defined herein, the fluoropolymer precursor having a fluorovinyl ether derivative unit content of 5 to 40 mole percent, and the fluoropolymer dispersion being produced without drying the fluoropolymer precursor and the fluoropolymer.Type: GrantFiled: March 18, 2013Date of Patent: August 18, 2015Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masayoshi Tatemoto, Takuya Arase, Tadashi Ino
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Publication number: 20150148482Abstract: A method for preparing a fluoropolymer aqueous dispersion, including: step (A) of preparing a fluoropolymer aqueous dispersion comprising a fluoropolymer having at least one selected from the group consisting of —SO2Y and —COOR (wherein Y is a halogen, and R is a C1 to C4 alkyl) by emulsion polymerization; step (B) of heating the fluoropolymer aqueous dispersion to 50° C. or higher; and step (C) of contacting the fluoropolymer aqueous dispersion with an ion exchange resin for cation exchange after step (B), thereby providing a purified fluoropolymer aqueous dispersion, the fluoropolymer aqueous dispersion being adjusted to pH 7 or lower from the end of the polymerization in step (A) to the end of step (C).Type: ApplicationFiled: May 22, 2013Publication date: May 28, 2015Inventors: Takashi Yoshimura, Kazuhiro Ohtsuka, Tadashi Ino, Noriyuki Shinoki, Masahiro Kondo
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Patent number: 8993682Abstract: The present invention provides an electrolyte having high conductivity even under high-temperature low-humidification conditions (e.g. at a temperature of 100 to 120° C. and a humidity of 20 to 50% RH) and thereby makes it possible to realize a higher performance fuel cell. The present invention is a fluoropolymer electrolyte having an equivalent weight (EW) of not less than 250 but not more than 700 and a proton conductivity of not lower than 0.10 S/cm as measured at a temperature of 110° C. and a relative humidity of 50% RH and comprising a COOZ group- or SO3Z group-containing monomer unit, wherein Z represents an alkali metal, an alkaline earth metal, hydrogen atom or NR1R2R3R4 in which R1, R2, R3 and R4 each independently represents an alkyl group containing 1 to 3 carbon atoms or hydrogen atom.Type: GrantFiled: March 12, 2009Date of Patent: March 31, 2015Assignees: Asahi Kasei E-Materials Corporation, Daikin Industries, Ltd.Inventors: Kohei Kita, Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Noriyuki Shinoki, Masaharu Nakazawa, Masahiro Kondo, Takashi Yoshimura
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Patent number: 8680209Abstract: The present invention provides a method for producing a stabilized fluoropolymer which comprises producing the stabilized fluoropolymer by subjecting a treatment target substance containing a sulfonic-acid-derived-group-containing fluoropolymer to a fluorination treatment, wherein the sulfonic-acid-derived-group-containing fluoropolymer is a fluoropolymer containing —SO3M (in which M represents H, NR1R2R3R4 or M11/L; R1, R2, R3 and R4 are the same or different and each represents H or an alkyl group containing 1 to 4 carbon atoms; and M1 represents an L-valent metal), and the treatment target substance has a moisture content of not higher than 500 ppm by mass.Type: GrantFiled: October 18, 2012Date of Patent: March 25, 2014Assignees: Daikin Industries, Ltd., Asahi Kasei E-Materials CorporationInventors: Eiji Honda, Hideki Iijima, Yasuhiro Hashimoto, Tadashi Ino, Tadaharu Isaka, Masahiro Kondo
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Patent number: 8344192Abstract: The invention provides a technique enabling the separation and recovery of an unreacted fluoromonomer from an aqueous fluoropolymer dispersion obtained by emulsion polymerization, without using any extraction solvent, and enabling the prevention of a hydrolysis of —SO2F and a like sulfonic acid precursor functional group convertible to sulfonic acid group. Thus, the invention provides a recovering method fluoromonomer having a sulfonic acid precursor functional group convertible to a sulfonic acid group and remaining unreacted from an aqueous fluoropolymer dispersion obtained by emulsion polymerization of the fluoromonomer, wherein the unreacted fluoromonomer is recovered from the aqueous fluoropolymer dispersion by evaporation, wherein the aqueous fluoropolymer dispersion has an acidic pH.Type: GrantFiled: December 7, 2007Date of Patent: January 1, 2013Assignee: Daikin Industries, Ltd.Inventors: Tadaharu Isaka, Tadashi Ino, Masaharu Nakazawa, Masahiro Kondo
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Publication number: 20120295117Abstract: A coating material including a perfluorocarbon sulfonic acid resin which is a copolymer including a polymerization unit represented by —(CF2—CFZ)—, in the formula, Z being H, Cl, F, or a C1-C3 perfluoroalkyl group, and a polymerization unit represented by —(CF2—CF(—O—(CF2)m—SO3H))—, in the formula, m being an integer of 1 to 12, and the perfluorocarbon sulfonic acid resin has an equivalent weight EW of 200 to 1000. Also disclosed is a laminate including a base material and a hydrophilic layer formed from the coating material.Type: ApplicationFiled: January 31, 2011Publication date: November 22, 2012Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Yuko Iizuka, Naoto Miyake, Tadashi Ino, Masahiro Kondo, Katsuhiko Imoto
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Publication number: 20120178017Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: ApplicationFiled: September 17, 2010Publication date: July 12, 2012Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Masaharu Nakazawa, Noriyuki Shinok, Takashi Yoshimura, Masahiro Kondo
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Publication number: 20120035329Abstract: The present invention is aimed to provide a highly-productive method for producing a stabilized fluoropolymer. The present invention relates to a method for producing a stabilized fluoropolymer, comprising the step of bringing a fluoropolymer to be treated into contact with a fluorinating agent to produce a stabilized fluoropolymer, while maintaining the concentration of hydrogen fluoride present in a reaction vessel at not higher than 1.0% by volume.Type: ApplicationFiled: March 29, 2010Publication date: February 9, 2012Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tomohiro Isogai, Tatsuo Suzuki, Tadashi Ino, Masahiro Kondo
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Patent number: 8034880Abstract: The present invention provides a novel production process by which unstable terminal groups can be sufficiently stabilized under mild conditions. The present invention is related to a method for producing an —SO3H group-containing fluoropolymer wherein a fluoropolymer to be treated having a —SO2X group-containing monomer unit (X representing F or Cl) is subjected to a procedure comprising at least the steps A, B and C defined below in that order: A: Step of reacting with a halogenating agent; B: Step of reacting with a decomposition treatment agent; C: Step of reacting with a fluorinating agent.Type: GrantFiled: July 6, 2010Date of Patent: October 11, 2011Assignees: Daikin Industries, Ltd., Asahi Kasei E-Materials CorporationInventors: Tadashi Ino, Tadaharu Isaka, Masahiro Kondo, Masanori Ikeda, Nobuyuki Uematsu, Takehiro Koga
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Publication number: 20110159402Abstract: The present invention provides a method for producing a stabilized fluoropolymer which comprises producing the stabilized fluoropolymer by subjecting a treatment target substance containing a sulfonic-acid-derived-group-containing fluoropolymer to a fluorination treatment, wherein the sulfonic-acid-derived-group-containing fluoropolymer is a fluoropolymer containing —SO3M (in which M represents H, NR1R2R3R4 or M11/L; R1, R2, R3 and R4 are the same or different and each represents H or an alkyl group containing 1 to 4 carbon atoms; and M1 represents an L-valent metal), and the treatment target substance has a moisture content of not higher than 500 ppm by mass.Type: ApplicationFiled: March 10, 2011Publication date: June 30, 2011Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Eiji HONDA, Hideki IIJIMA, Yasuhiro HASHIMOTO, Tadashi INO, Tadaharu ISAKA, Masahiro KONDO
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Publication number: 20110020728Abstract: The present invention provides an electrolyte having high conductivity even under high-temperature low-humidification conditions (e.g. at a temperature of 100 to 120° C. and a humidity of 20 to 50% RH) and thereby makes it possible to realize a higher performance fuel cell. The present invention is a fluoropolymer electrolyte having an equivalent weight (EW) of not less than 250 but not more than 700 and a proton conductivity of not lower than 0.10 S/cm as measured at a temperature of 110° C. and a relative humidity of 50% RH and comprising a COOZ group- or SO3Z group-containing monomer unit, wherein Z represents an alkali metal, an alkaline earth metal, hydrogen atom or NR1R2R3R4 in which R1, R2, R3 and R4 each independently represents an alkyl group containing 1 to 3 carbon atoms or hydrogen atom.Type: ApplicationFiled: March 12, 2009Publication date: January 27, 2011Applicants: Asahi Kasei E-Materials Corporation, Daikin Industries, Ltd.Inventors: Kohei Kita, Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Noriyuki Shinoki, Masaharu Nakazawa, Masahiro Kondo, Takashi Yoshimura
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Publication number: 20100273088Abstract: The present invention provides a novel production process by which unstable terminal groups can be sufficiently stabilized under mild conditions. The present invention is related to a method for producing an —SO3H group-containing fluoropolymer wherein a fluoropolymer to be treated having a —SO2X group-containing monomer unit (X representing F or Cl) is subjected to a procedure comprising at least the steps A, B and C defined below in that order: A: Step of reacting with a halogenating agent; B: Step of reacting with a decomposition treatment agent; C: Step of reacting with a fluorinating agent.Type: ApplicationFiled: July 6, 2010Publication date: October 28, 2010Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Tadashi INO, Tadaharu ISAKA, Masahiro KONDO, Masanori IKEDA, Nobuyuki UEMATSU, Takehiro KOGA
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Patent number: 7776970Abstract: The present invention provides a novel production process by which unstable terminal groups can be sufficiently stabilized under mild conditions. The present invention is related to a method for producing an —SO3H group-containing fluoropolymer wherein a fluoropolymer to be treated having a —SO2X group-containing monomer unit (X representing F or Cl) is subjected to a procedure comprising at least the steps A, B and C defined below in that order: A: Step of reacting with a halogenating agent; B: Step of reacting with a decomposition treatment agent; C: Step of reacting with a fluorinating agent.Type: GrantFiled: February 5, 2007Date of Patent: August 17, 2010Assignees: Daikin Industries, Ltd., Asahi Kasei E-Materials CorporationInventors: Tadashi Ino, Tadaharu Isaka, Masahiro Kondo, Masanori Ikeda, Nobuyuki Uematsu, Takehiro Koga
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Publication number: 20100048956Abstract: The invention provides a technique enabling the separation and recovery of an unreacted fluoromonomer from an aqueous fluoropolymer dispersion obtained by emulsion polymerization, without using any extraction solvent, and enabling the prevention of a hydrolysis of —SO2F and a like sulfonic acid precursor functional group convertible to sulfonic acid group. Thus, the invention provides a recovering method fluoromonomer having a sulfonic acid precursor functional group convertible to a sulfonic acid group and remaining unreacted from an aqueous fluoropolymer dispersion obtained by emulsion polymerization of the fluoromonomer, wherein the unreacted fluoromonomer is recovered from the aqueous fluoropolymer dispersion by evaporation, wherein the aqueous fluoropolymer dispersion has an acidic pH.Type: ApplicationFiled: December 7, 2007Publication date: February 25, 2010Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Tadaharu Isaka, Tadashi Ino, Masaharu Nakazawa, Masahiro Kondo
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Publication number: 20090061280Abstract: The present invention provides a novel production process by which unstable terminal groups can be sufficiently stabilized under mild conditions. The present invention is related to a method for producing an —SO3H group-containing fluoropolymer wherein a fluoropolymer to be treated having a —SO2X group-containing monomer unit (X representing F or Cl) is subjected to a procedure comprising at least the steps A, B and C defined below in that order: A: Step of reacting with a halogenating agent; B: Step of reacting with a decomposition treatment agent; C: Step of reacting with a fluorinating agent.Type: ApplicationFiled: February 5, 2007Publication date: March 5, 2009Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI CHEMICALS CORPORATIONInventors: Tadashi Ino, Tadaharu Isaka, Masahiro Kondo, Masanori Ikeda, Nobuyuki Uematsu, Takehiro Koga