Patents by Inventor Kazuhiro Miyamoto
Kazuhiro Miyamoto 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: 20240117077Abstract: A composition containing polytetrafluoroethylene and substantially free from a compound represented by Formula (3): (H—(CF2)8—SO3)qM2 wherein M2 is H, a metal atom, NR54 (where R5s may be the same as or different from each other and are each H or an organic group having 1 to 10 carbon atoms), an imidazolium optionally having a substituent, a pyridinium optionally having a substituent, or a phosphonium optionally having a substituent, and q is 1 or 2. Also disclosed is a molded boy including the composition.Type: ApplicationFiled: November 7, 2023Publication date: April 11, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takahiro TAIRA, Kazuhiro MISHIMA, Chiaki OKUI, Tadao HAYASHI, Hirotoshi YOSHIDA, Yuuji TANAKA, Masayoshi MIYAMOTO, Taku YAMANAKA, Taketo KATO
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Patent number: 9731968Abstract: Disclosed is a process for producing a fluoride gas that can produces fluoride gases such as BF3, SiF4, GeF4, PF5 or AsF5 at a reduced production cost in a simple manner. The process is characterized in that a compound containing an atom, which, together with a fluorine atom, can form a polyatomic ion, is added to a hydrogen fluoride solution to produce the polyatomic ion in a hydrogen fluoride solution and to evolve a fluoride gas comprising the fluorine atom and the atom that, together with the fluorine atom, can form a polyatomic ion.Type: GrantFiled: June 8, 2009Date of Patent: August 15, 2017Assignee: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Tatsuhiro Yabune, Kazuhiro Miyamoto, Kazutaka Hirano
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Patent number: 9708702Abstract: A wiping device which blows a wiping gas toward a steel sheet from a pair of wiping nozzles disposed on both sides of the steel sheet so as to face sheet surfaces of the steel sheet, wherein the steel sheet is interposed between the pair of wiping nozzles and is pulled from a hot dip coating bath, the device includes a suctioning tube, wherein: the suctioning tube is disposed on both sides in a width direction of a section of the steel sheet, the section being positioned between the pair of wiping nozzles, so that the suctioning tube is in parallel to the steel sheet; the suctioning tube has a suctioning port that suctions an air; the suctioning port is disposed to face a side end surface of the steel sheet; a cross-sectional shape of the suctioning tube has the largest dimension thereof along a pulling direction of the steel sheet.Type: GrantFiled: September 21, 2012Date of Patent: July 18, 2017Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, NIPPON STEEL & SUMIKIN COATED SHEET CORPORATIONInventors: Takeshi Imai, Takeshi Tamura, Seiji Sugiyama, Kazuhiro Miyamoto, Mitsuo Nishimata, Yasushi Yamane
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Patent number: 9523135Abstract: In cold-rolling a steel sheet coil, when a tail end portion of a steel sheet coil (7) is wound around a tension reel (3) prior to second-pass rolling after the completion of first-pass rolling, the tail end portion is heated to a temperature within a range of not lower than 50° C. nor higher 350° C. with a heater disposed between a rolling stand (1) and the coil tail end-side tension reel (3).Type: GrantFiled: December 19, 2014Date of Patent: December 20, 2016Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Hiroyuki Mimura, Takao Mukai, Kazuhiro Miyamoto
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Patent number: 9376323Abstract: An object of the invention is to provide a tetrafluoroborate producing method that allows high-yield, high-efficiency production of a tetrafluoroborate by a continuous process, a tetrafluoroborate-containing electrolyte, and an electrical storage device including such an electrolyte. The invention provides a method for producing a tetrafluoroborate, which includes: a first step including dissolving boron trifluoride gas in an organic solvent; a second step including adding, to the organic solvent, a fluoride (MFn, wherein M represents a metal or NH4, and 1?n?3) in an amount stoichiometrically equivalent to or less than the amount of the boron trifluoride so that a tetrafluoroborate solution is produced; and a third step including circulating the tetrafluoroborate solution through the first step so that the boron trifluoride gas is dissolved in the tetrafluoroborate solution instead of the organic solvent.Type: GrantFiled: June 19, 2009Date of Patent: June 28, 2016Assignee: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Kazuhiro Miyamoto, Kazutaka Hirano
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Publication number: 20150337972Abstract: There is provided a two-stage pilot solenoid valve of which the size is reduced as a whole and which is excellent in mountability. A first valve element, which is slidably fitted to a first valve chest, is movable in a direction different from upward/downward moving directions of a valve stem, which is provided with a second valve element, and a pilot valve element that is driven so as to be opened and closed according to upward/downward movement of the valve stem.Type: ApplicationFiled: May 15, 2015Publication date: November 26, 2015Inventors: Masashi HAYASAKA, Yasushi KOJIMA, Hiroshi KAINUMA, Kazuhiro MIYAMOTO
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Patent number: 9059480Abstract: An object is to provide a method of manufacturing a hexafluorophosphate, that can simply and easily manufacture an inexpensive and high-quality hexafluorophosphate while suppressing the manufacturing cost, an electrolytic solution containing a hexafluorophosphate, and an electricity storage device including the electrolytic solution. The present invention relates to a method of manufacturing a hexafluorophosphate, which comprises reacting at least a phosphorus compound with a fluoride represented by MFs.r(HF) (wherein 0?r?6, 1?s?3, and M is at least one kind selected from the group consisting of Li, Na, K, Rb, Cs, NH4, Ag, Mg, Ca, Ba, Zn, Cu, Pb, Al and Fe) to produce a hexafluorophosphate represented by the chemical formula M(PF6)s.Type: GrantFiled: August 4, 2009Date of Patent: June 16, 2015Assignee: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Tatsuhiro Yabune, Kazuhiro Miyamoto, Kazutaka Hirano
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Publication number: 20150101383Abstract: In cold-rolling a steel sheet coil, when a tail end portion of a steel sheet coil (7) is wound around a tension reel (3) prior to second-pass rolling after the completion of first-pass rolling, the tail end portion is heated to a temperature within a range of not lower than 50° C. nor higher 350° C. with a heater disposed between a rolling stand (1) and the coil tail end-side tension reel (3).Type: ApplicationFiled: December 19, 2014Publication date: April 16, 2015Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Hiroyuki Mimura, Takao Mukai, Kazuhiro Miyamoto
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Patent number: 8943868Abstract: In cold-rolling a steel sheet coil, when a tail end portion of a steel sheet coil (7) is wound around a tension reel (3) prior to second-pass rolling after the completion of first-pass rolling, the tail end portion is heated to a temperature within a range of not lower than 50° C. nor higher 350° C. with a heater disposed between a rolling stand (1) and the coil tail end-side tension reel (3).Type: GrantFiled: February 10, 2009Date of Patent: February 3, 2015Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Hiroyuki Mimura, Takao Mukai, Kazuhiro Miyamoto
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Publication number: 20140202380Abstract: A wiping device which blows a wiping gas toward a steel sheet from a pair of wiping nozzles disposed on both sides of the steel sheet so as to face sheet surfaces of the steel sheet, wherein the steel sheet is interposed between the pair of wiping nozzles and is pulled from a hot dip coating bath, the device includes a suctioning tube, wherein: the suctioning tube is disposed on both sides in a width direction of a section of the steel sheet, the section being positioned between the pair of wiping nozzles, so that the suctioning tube is in parallel to the steel sheet; the suctioning tube has a suctioning port that suctions an air; the suctioning port is disposed to face a side end surface of the steel sheet; a cross-sectional shape of the suctioning tube has the largest dimension thereof along a pulling direction of the steel sheet.Type: ApplicationFiled: September 21, 2012Publication date: July 24, 2014Applicants: NPPON STEEL & SUMMITOMO METAL CORPORATION, NPPON STEEL & SUMIKIN COATED SHEET CORPORATIONInventors: Takeshi Imai, Takeshi Tamura, Seiji Sugiyama, Kazuhiro Miyamoto, Mitsuo Nishimata, Yasushi Yamane
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Patent number: 8470278Abstract: A method of manufacturing phosphorus pentafluoride and hexafluorophosphate can suppress the manufacturing cost and also can manufacture high-quality phosphorus pentafluoride from an inexpensive and low-quality raw material. The raw material for the method can include at least a phosphorus atom and a fluorine atom. These are brought into contact with a carrier gas, and a phosphorus pentafluoride is extracted and separated into the carrier gas. A method of manufacturing hexafluorophosphate includes reacting fluoride with the resulting phosphorus pentafluoride according to the following chemical reaction scheme: sPF5+AFs?A(PF6)s, in which s is in the range of 1?s?3, and A is at least one of the following: Li, Na, K, Rb, Cs, NH4, Ag, Mg, Ca, Ba, Zn, Cu, Pb, Al and Fe.Type: GrantFiled: August 4, 2009Date of Patent: June 25, 2013Assignee: Stella Chemifa CorporationInventors: Masahide Waki, Tatsuhiro Yabune, Kazuhiro Miyamoto, Kazutaka Hirano
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Patent number: 8383075Abstract: In the manufacturing method of hexafluorophosphate (MPF6: M=Li, Na, K, Rb, Cs, NH4, and Ag) of the present invention, at least a HxPOyFz aqueous solution, a hydrofluoric acid aqueous solution, and MF.r (HF) are used as raw materials (wherein, r?0, 0?x?3, 0?y?4, and 0?z?6). According to the above description, a manufacturing method of hexafluorophosphate can be provided which is capable of manufacturing hexafluorophosphate (GPF6: G=Li, Na, K, Rb, Cs, NH4, and Ag) at a low cost in which the raw materials can be easily obtained, the control of the reaction is possible, and the workability is excellent.Type: GrantFiled: February 5, 2008Date of Patent: February 26, 2013Assignee: Stella Chemifa CorporationInventors: Masahide Waki, Kazuhiro Miyamoto, Kenji Aoki
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Publication number: 20120082608Abstract: An object of the invention is to provide a tetrafluoroborate producing method that allows high-yield, high-efficiency production of a tetrafluoroborate by a continuous process, a tetrafluoroborate-containing electrolyte, and an electrical storage device including such an electrolyte. The invention provides a method for producing a tetrafluoroborate, which includes: a first step including dissolving boron trifluoride gas in an organic solvent; a second step including adding, to the organic solvent, a fluoride (MFn, wherein M represents a metal or NH4, and 1?n?3) in an amount stoichiometrically equivalent to or less than the amount of the boron trifluoride so that a tetrafluoroborate solution is produced; and a third step including circulating the tetrafluoroborate solution through the first step so that the boron trifluoride gas is dissolved in the tetrafluoroborate solution instead of the organic solvent.Type: ApplicationFiled: June 19, 2009Publication date: April 5, 2012Applicant: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Kazuhiro Miyamoto, Kazutaka Hirano
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Patent number: 8072146Abstract: The disclosed subject matter includes a fluorescent lamp and particularly a cold cathode fluorescent lamp that can be employed as a light source for a LCD backlight unit for a television, a computer, a display, and the like. The fluorescent lamp can include a couple of electrode units located opposite to each other at each end of a tube, a couple of welding beads sealing both the tube and the couple of electrode units, and a filler gas located in the tube. Each of the electrode units can include an emitter electrode that is configured with a crystalline silicon semiconductor material having an electrical conductivity or configured with other semiconductor materials, and can include a concave portion formed thereon. The electrode units can prevent blackening on an inner surface of the tube by avoiding the occurrence of spattering. Thus, the fluorescent lamp using the electrode units can enjoy a long life, high reliability, easy manufacture, and the like.Type: GrantFiled: May 17, 2008Date of Patent: December 6, 2011Assignee: Stanley Electric Co., Ltd.Inventors: Kazuhiro Miyamoto, Masayuki Kanechika, Koji Kikuchihara
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Publication number: 20110189538Abstract: A method of manufacturing phosphorus pentafluoride and hexafluorophosphate can suppress the manufacturing cost and also can manufacture high-quality phosphorus pentafluoride from an inexpensive and low-quality raw material. The raw material for the method can include at least a phosphorus atom and a fluorine atom. These are brought into contact with a carrier gas, and a phosphorus pentafluoride is extracted and separated into the carrier gas. A method of manufacturing hexafluorophosphate includes reacting fluoride with the resulting phosphorus pentafluoride according to the following chemical reaction scheme: sPF5+AFs?A(PF6)s, in which s is in the range of 1?s?3, and A is at least one of the following: Li, Na, K, Rb, Cs, NH4, Ag, Mg, Ca, Ba, Zn, Cu, Pb, Al and Fe.Type: ApplicationFiled: August 4, 2009Publication date: August 4, 2011Applicant: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Tatsuhiro Yabune, Kazuhiro Miyamoto, Kazutaka Hirano
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Publication number: 20110135555Abstract: Disclosed is a process for producing a fluoride gas that can produces fluoride gases such as BF3, SiF4, GeF4, PF5 or AsF5 at a reduced production cost in a simple manner. The process is characterized in that a compound containing an atom, which, together with a fluorine atom, can form a polyatomic ion, is added to a hydrogen fluoride solution to produce the polyatomic ion in a hydrogen fluoride solution and to evolve a fluoride gas comprising the fluorine atom and the atom that, together with the fluorine atom, can form a polyatomic ion.Type: ApplicationFiled: June 8, 2009Publication date: June 9, 2011Applicant: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Tatsuhiro Yabune, Kazuhiro Miyamoto, Kazutaka Hirano
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Patent number: 7943107Abstract: An isotope enrichment method comprising the step of performing the isotope exchange between an aqueous solution containing at least two components each represented by the formula: H2O—H2SiF6.nSiF4 (wherein n?0) and a gas containing SiF4 to enrich a stable Si isotope.Type: GrantFiled: September 8, 2006Date of Patent: May 17, 2011Assignee: Stella Chemifa CorporationInventors: Masahide Waki, Kazuhiro Miyamoto
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Publication number: 20110097626Abstract: An object is to provide a method of manufacturing a hexafluorophosphate, that can simply and easily manufacture an inexpensive and high-quality hexafluorophosphate while suppressing the manufacturing cost, an electrolytic solution containing a hexafluorophosphate, and an electricity storage device including the electrolytic solution. The present invention relates to a method of manufacturing a hexafluorophosphate, which comprises reacting at least a phosphorus compound with a fluoride represented by MFs.r(HF) (wherein 0?r?6, 1?s?3, and M is at least one kind selected from the group consisting of Li, Na, K, Rb, Cs, NH4, Ag, Mg, Ca, Ba, Zn, Cu, Pb, Al and Fe) to produce a hexafluorophosphate represented by the chemical formula M(PF6)s.Type: ApplicationFiled: August 4, 2009Publication date: April 28, 2011Applicant: STELLA CHEMIFA CORPORATIONInventors: Masahide Waki, Tatsuhiro Yabune, Kazuhiro Miyamoto, Kazutaka Hirano
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Publication number: 20100326161Abstract: In cold-rolling a steel sheet coil, when a tail end portion of a steel sheet coil (7) is wound around a tension reel (3) prior to second-pass rolling after the completion of first-pass rolling, the tail end portion is heated to a temperature within a range of not lower than 50° C. nor higher 350° C. with a heater disposed between a rolling stand (1) and the coil tail end-side tension reel (3).Type: ApplicationFiled: February 10, 2009Publication date: December 30, 2010Inventors: Hiroyuki Mimura, Takao Mukai, Kazuhiro Miyamoto
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Patent number: D712513Type: GrantFiled: September 5, 2013Date of Patent: September 2, 2014Assignee: Fujikoki CorporationInventors: Hiroshi Kainuma, Kazuhiro Miyamoto