Patents by Inventor Masayuki Sanbayashi
Masayuki Sanbayashi 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: 9774029Abstract: In this anode for a secondary battery, method for producing same, and secondary battery, an anode active material is laminated on a surface of a metal foil, the anode active material contains at least titanium dioxide, and the titanium dioxide contains a Brookite crystal phase and contains an amorphous phase in a ratio of 1 vol % to 20 vol %.Type: GrantFiled: April 22, 2013Date of Patent: September 26, 2017Assignee: SHOWA DENKO K.K.Inventors: Hitoshi Yokouchi, Masahiro Ohmori, Chiaki Sotowa, Masayuki Sanbayashi
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Patent number: 9515316Abstract: This method for producing an anode active material for a secondary battery is provided with a step for forming titanium dioxide by means of hydrolysis by adding a titanium-containing compound to an acidic aqueous solution, and furthermore, by means of adding a compound containing an alkaline earth metal and a condensed phosphate, the surface of the titanium dioxide is covered by the condensed phosphate containing the alkaline earth metal in a manner so that the amount of elemental phosphorus atoms and the amount of alkaline earth metal are each in the range of 0.1 to 10 mass % with respect to the mass of titanium dioxide, thus synthesizing the anode active material (12).Type: GrantFiled: April 22, 2013Date of Patent: December 6, 2016Assignee: SHOWA DENKO K.K.Inventors: Hitoshi Yokouchi, Masahiro Ohmori, Chiaki Sotowa, Masayuki Sanbayashi
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Publication number: 20150287983Abstract: This method for producing an anode active material for a secondary battery is provided with a step for forming titanium dioxide by means of hydrolysis by adding a titanium-containing compound to an acidic aqueous solution, and furthermore, by means of adding a compound containing an alkaline earth metal and a condensed phosphate, the surface of the titanium dioxide is covered by the condensed phosphate containing the alkaline earth metal in a manner so that the amount of elemental phosphorus atoms and the amount of alkaline earth metal are each in the range of 0.1 to 10 mass % with respect to the mass of titanium dioxide, thus synthesizing the anode active material (12).Type: ApplicationFiled: April 22, 2013Publication date: October 8, 2015Applicant: SHOWA DENKO K.K.Inventors: Hitoshi Yokouchi, Masahiro Ohmori, Chiaki Sotowa, Masayuki Sanbayashi
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Publication number: 20150086850Abstract: In this anode for a secondary battery, method for producing same, and secondary battery, an anode active material is laminated on a surface of a metal foil, the anode active material contains at least titanium dioxide, and the titanium dioxide contains a Brookite crystal phase and contains an amorphous phase in a ratio of 1 vol % to 20 vol %.Type: ApplicationFiled: April 22, 2013Publication date: March 26, 2015Applicant: SHOWA DENKO K.K.Inventors: Hitoshi Yokouchi, Masahiro Ohmori, Chiaki Sotowa, Masayuki Sanbayashi
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Patent number: 7833340Abstract: To provide a coating material capable of forming a film having both a sufficiently high film strength and a photocatalytic function by an easy method, there is provided a coating material comprising a particle group A, a particle group B and a solvent, wherein the number of necking particles of the particle group A is larger than the number of necking particles of the particle group B, wherein “the number of necking particles” here is referred to the total number of particles constituting all necking particles with each constituting particle being considered as the unit particle.Type: GrantFiled: April 25, 2005Date of Patent: November 16, 2010Assignee: Showa Denko K.K.Inventors: Yasuaki Wakizaka, Masayuki Sanbayashi, Jun Tanaka
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Patent number: 7799732Abstract: A method of producing composite particles of titanium dioxide and a compound inactive as a photocatalyst, comprising the steps of preparing a water based slurry of pH 3 to 5 comprising titanium dioxide, preparing a water based solution comprising a compound inactive as a photocatalyst, and reacting the slurry and the water based solution together at a pH within a range from 4 to 10 is provided, together with highly active photocatalyst particles produced using such a method, and potential uses of such photocatalyst particles.Type: GrantFiled: June 19, 2008Date of Patent: September 21, 2010Assignee: Showa Denko K.K.Inventors: Jun Tanaka, Masayuki Sanbayashi, Yoshinori Ueyoshi, Hiroyuki Hagihara
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Patent number: 7582156Abstract: A coating agent which produces a film with photocatalytic properties, comprises composite photocatalyst particles of titanium dioxide and a compound inactive as a photocatalyst, and at least a binder. The photocatalyst particles achieve a ratio of decomposition of acetaldehyde (DWA) values of at least 80%. A BET specific surface area of the composite particles of titanium dioxide and a compound inactive as a photocatalyst is from 10 to 300 m2/g. The composite particles of titanium dioxide and a compound inactive as a photocatalyst are produced by a method comprising the steps of preparing a water based slurry of pH 3 to 5 comprising titanium dioxide, preparing a water based solution comprising a compound inactive as a photocatalyst, and reacting the slurry and the water based solution together at a pH of 4 to 10.Type: GrantFiled: February 14, 2008Date of Patent: September 1, 2009Assignee: Showa Denko K.K.Inventors: Jun Tanaka, Masayuki Sanbayashi, Yoshinori Ueyoshi, Hiroyuki Hagihara
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Patent number: 7547357Abstract: A composition for forming a transparent film, comprising photocatalytic particles; zirconium ammonium carbonate; a cohydrolysis-polycondensation product of an aluminum alkoxide represented by the formula Al(OR)3 where R is an organic group and a titanium alkoxide represented by the formula Ti(OR?)4 where R? is an organic group; and water, and having a pH of 7 to 9.Type: GrantFiled: October 29, 2004Date of Patent: June 16, 2009Assignee: Showa Denko K.K.Inventors: Masayuki Sanbayashi, Jun Tanaka
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Publication number: 20090082196Abstract: A method of producing composite particles of titanium dioxide and a compound inactive as a photocatalyst, comprising the steps of preparing a water based slurry of pH 3 to 5 comprising titanium dioxide, preparing a water based solution comprising a compound inactive as a photocatalyst, and reacting the slurry and the water based solution together at a pH within a range from 4 to 10 is provided, together with highly active photocatalyst particles produced using such a method, and potential uses of such photocatalyst particles.Type: ApplicationFiled: June 19, 2008Publication date: March 26, 2009Applicant: Showa Denko K.K.Inventors: Jun TANAKA, Masayuki Sanbayashi, Yoshinori Ueyoshi, Hiroyuki Hagihara
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Publication number: 20080289537Abstract: A coating agent which produces a film with photocatalytic properties, comprises composite photocatalyst particles of titanium dioxide and a compound inactive as a photocatalyst, and at least a binder. The photocatalyst particles achieve a ratio of decomposition of acetaldehyde (DWA) values of at least 80%. A BET specific surface area of the composite particles of titanium dioxide and a compound inactive as a photocatalyst is from 10 to 300 m2/g. The composite particles of titanium dioxide and a compound inactive as a photocatalyst are produced by a method comprising the steps of preparing a water based slurry of pH 3 to 5 comprising titanium dioxide, preparing a water based solution comprising a compound inactive as a photocatalyst, and reacting the slurry and the water based solution together at a pH of 4 to 10.Type: ApplicationFiled: February 14, 2008Publication date: November 27, 2008Applicant: Showa Denko K.K.Inventors: Jun TANAKA, Masayuki Sanbayashi, Yoshinori Ueyoshi, Hiroyuki Hagihara
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Patent number: 7414009Abstract: A method of producing composite particles of titanium dioxide and a compound inactive as a photocatalyst, comprising the steps of preparing a water based slurry of pH 3 to 5 comprising titanium dioxide, preparing a water based solution comprising a compound inactive as a photocatalyst, and reacting the slurry and the water based solution together at a pH within a range from 4 to 10 is provided, together with highly active photocatalyst particles produced using such a method, and potential uses of such photocatalyst particles.Type: GrantFiled: May 22, 2003Date of Patent: August 19, 2008Assignee: Showa Denko K.K.Inventors: Jun Tanaka, Masayuki Sanbayashi, Yoshinori Ueyoshi, Hagihara Hiroyuki
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Patent number: 7378371Abstract: A method of producing composite particles of titanium dioxide and a compound inactive as a photocatalyst, comprising the steps of preparing a water based slurry of pH 3 to 5 comprising titanium dioxide, preparing a water based solution comprising a compound inactive as a photocatalyst, and reacting the slurry and the water based solution together at a pH within a range from 4 to 10 is provided, together with highly active photocatalyst particles produced using such a method, and potential uses of such photocatalyst particles.Type: GrantFiled: December 19, 2002Date of Patent: May 27, 2008Assignee: Show a Denko K.K.Inventors: Jun Tanaka, Masayuki Sanbayashi, Yoshinori Ueyoshi
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Publication number: 20070084381Abstract: A composition for forming a transparent film, comprising photocatalytic particles; zirconium ammonium carbonate; a cohydrolysis-polycondensation product of an aluminum alkoxide represented by the formula Al(OR)3 where R is an organic group and a titanium alkoxide represented by the formula Ti(OR?)4 where R? is an organic group; and water, and having a pH of 7 to 9.Type: ApplicationFiled: October 29, 2004Publication date: April 19, 2007Inventors: Masayuki Sanbayashi, Jun Tanaka
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Patent number: 7169728Abstract: A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with the fine particles and is barely liberated from the surface of the fine particles into a medium such as a binder or a resin. As a result, photo-functional particles exhibiting durability and dispersion stability are obtained. By use of the photo-functional particles, a powder and a slurry exhibiting excellent photo-functional property, durability, dispersion stability, and hydrophilicity are produced. In addition, by use of the powder and slurry, a polymer composition, a coating agent, a photo-functional formed article, and a photo-functional structure are produced.Type: GrantFiled: September 2, 2004Date of Patent: January 30, 2007Assignee: Showa Denko Kabushiki KaishaInventors: Masayuki Sanbayashi, Hiroyuki Hagihara, Jun Tanaka, Yoshinori Ueyoshi
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Patent number: 7060643Abstract: A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with the fine particles and is barely liberated from the surface of the fine particles into a medium such as a binder or a resin. As a result, photo-functional particles exhibiting durability and dispersion stability are obtained. By use of the photo-functional particles, a powder and a slurry exhibiting excellent photo-functional property, durability, dispersion stability, and hydrophilicity are produced. In addition, by use of the powder and slurry, a polymer composition, a coating agent, a photo-functional formed article, and a photo-functional structure are produced.Type: GrantFiled: December 28, 2001Date of Patent: June 13, 2006Assignee: Showa Denko Kabushiki KaishaInventors: Masayuki Sanbayashi, Hiroyuki Hagihara, Jun Tanaka, Yoshinori Ueyoshi
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Publication number: 20060116279Abstract: A composite particle comprised of a larger particle and, supported thereon, smaller particles wherein the smaller particles are photocatalyst-containing fine particles with an average particle diameter of 0.005-0.5 ?m as calculated from a BET specific surface area, and the larger particle has an average particle diameter of 2-200 ?m as measured by the laser diffraction-scattering particle size measuring method. The smaller particle is preferably a composite particle of titanium dioxide with an inorganic compound exhibiting no catalytic activity, such as silica, or a particle containing a Br?onsted acid salt, especially on the surface thereof; and an advantageous method for producing the above composite particles wherein the above larger particles and smaller particles are dry mixed by a ball-mill or mixed by rotation of blades or by shaking, with an energy constant controlled within a specific range.Type: ApplicationFiled: January 9, 2004Publication date: June 1, 2006Inventors: Hisao Kogoi, Masayuki Sanbayashi, Jun Tanaka
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Patent number: 7029768Abstract: A food container on which surface titanium oxide particles are fixed, where titanium oxide particles may contain brookite crystals, the material of which the food container is constructed may be stainless steel, and the titanium oxide particles may be bonded using a sintering aid, a binder or both. When the food container is made of glass, satisfactory mechanical strength of the container can be maintained even when the thickness of a wall of the container is reduced. Since titanium oxide particles can be fixed onto a surface of a food container at a temperature as low as 20 to 450° C. by use of a sintering aid, a binder or both thermal deformation of glass forming the food container can be prevented.Type: GrantFiled: December 9, 1999Date of Patent: April 18, 2006Assignee: Showa Denko Kabushiki KaishaInventors: Masahiro Ohmori, Takashi Ohkubo, Masayuki Sanbayashi
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Patent number: 7021421Abstract: An object of the present invention is to provide a transparent noise-barrier wall which is slow to foul, easy to clean even when fouled, and capable of maintaining these effects over a long period of time. The transparent noise-barrier wall has brookite titanium dioxide substantially existing on the surface. The titanium dioxide particles preferably contain about 20% by mass or more of brookite titanium dioxide.Type: GrantFiled: June 7, 2001Date of Patent: April 4, 2006Assignee: Showa Denko Kabushiki KaishaInventors: Masahiro Ohmori, Masayuki Sanbayashi
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Patent number: 6887816Abstract: When a polybasic acid salt containing at least one species selected from the group consisting of an alkaline earth metal, a transition metal, and Al is caused to be present on the surfaces of titanium dioxide fine particles, there are obtained photocatalytic particles and powder exhibiting sufficient photocatalytic properties when irradiated with light from a light source of low quantity of light. By use of the photo-functional particles and powder, an organic polymer composition, a slurry, a coating agent, and a product having a surface exhibiting photocatalytic property and hydrophilicity are obtained.Type: GrantFiled: December 28, 2001Date of Patent: May 3, 2005Assignee: Showa Denko K.K.Inventors: Jun Tanaka, Masayuki Sanbayashi, Yoshinori Ueyoshi, Hiroyuki Hagihara
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Publication number: 20050027039Abstract: A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with the fine particles and is barely liberated from the surface of the fine particles into a medium such as a binder or a resin. As a result, photo-functional particles exhibiting durability and dispersion stability are obtained. By use of the photo-functional particles, a powder and a slurry exhibiting excellent photo-functional property, durability, dispersion stability, and hydrophilicity are produced. In addition, by use of the powder and slurry, a polymer composition, a coating agent, a photo-functional formed article, and a photo-functional structure are produced.Type: ApplicationFiled: September 2, 2004Publication date: February 3, 2005Inventors: Masayuki Sanbayashi, Hiroyuki Hagihara, Jun Tanaka, Yoshinori Ueyoshi