Patents by Inventor Satoru Kitazaki
Satoru Kitazaki 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).
-
Publication number: 20210301514Abstract: Disclosed is a sanitary ware compatibly satisfying both low water absorption and weight reduction. The sanitary ware has a pottery substrate of a vitreous body and a glaze layer, in which part of the substrate is exposed to outside thereof without the glaze layer; the substrate has (A) an anorthite and (B) an alkali metal component; and an amount of the alkali metal component is in the range of 5 to 10% by weight in terms of an oxide conversion (A2O) relative to the substrate. This sanitary ware has the properties of low water absorption and light weight.Type: ApplicationFiled: March 26, 2021Publication date: September 30, 2021Inventors: Naoki KOGA, Satoru KITAZAKI, Hiroyuki KAMESHIGE, Yuki OKAYASU, Tomofumi ANO
-
Patent number: 10406504Abstract: The present invention provides a photocatalyst coated body which can realize a sufficient photocatalytic activity and adhesiveness with a substrate, without significantly impairing an appearance of a substrate, especially an exterior building material. The photocatalyst coated body has a structure including a substrate, an intermediate layer formed on the substrate, and a photocatalyst layer formed on the intermediate layer. The intermediate layer includes inorganic oxide particles having an average particle diameter of nanosize. The photocatalyst layer includes photocatalyst particles having an average particle diameter of more than 0 ?m to less than 10 ?m and inorganic oxide particles having an average particle diameter of nanosize. A sum of a film thickness of the intermediate layer and a film thickness of the photocatalyst layer is 0.3 ?m or more to 1.5 ?m or less.Type: GrantFiled: September 30, 2016Date of Patent: September 10, 2019Assignee: Toto Ltd.Inventors: Satoru Kitazaki, Kyoko Kataoka
-
Publication number: 20170087534Abstract: The present invention provides a photocatalyst coated body which can realize a sufficient photocatalytic activity and adhesiveness with a substrate, without significantly impairing an appearance of a substrate, especially an exterior building material. The photocatalyst coated body has a structure including a substrate, an intermediate layer formed on the substrate, and a photocatalyst layer formed on the intermediate layer. The intermediate layer includes inorganic oxide particles having an average particle diameter of nanosize. The photocatalyst layer includes photocatalyst particles having an average particle diameter of more than 0 ?m to less than 10 ?m and inorganic oxide particles having an average particle diameter of nanosize. A sum of a film thickness of the intermediate layer and a film thickness of the photocatalyst layer is 0.3 ?m or more to 1.5 ?m or less.Type: ApplicationFiled: September 30, 2016Publication date: March 30, 2017Inventors: Satoru KITAZAKI, Kyoko KATAOKA
-
Patent number: 9079155Abstract: A photocatalyst coated body includes a base and a photocatalyst layer provided on the base. The photocatalyst coated body is characterized in that photocatalyst layer contains 1-20 (inclusive) parts by mass of photocatalyst particles, 30-98 (inclusive) parts by mass of silica particles and 1-50 (inclusive) parts by mass of zirconia particles, so that the total all of these particles is 100 parts by mass. The photocatalyst coated body is also characterized in that the zirconia particles are at least one kind of particles selected from the group consisting of crystalline zirconia particles having an average crystallite diameter of 10 nm or less and amorphous zirconia particles. Such photocatalyst coated body has excellent photocatalytic degradation function and excellent weather resistance; and also it is capable of suppressing the formation of intermediate products such as NO2, while increasing the amount of NOx removed during removal of NOx in the air.Type: GrantFiled: July 26, 2011Date of Patent: July 14, 2015Assignee: Toto Ltd.Inventors: Hiroyuki Fujii, Junji Kameshima, Koji Omoshiki, Satoru Kitazaki, Susumu Adachi
-
Publication number: 20130224096Abstract: A photocatalyst coated body includes a base and a photocatalyst layer provided on the base. The photocatalyst coated body is characterized in that photocatalyst layer contains 1-20 (inclusive) parts by mass of photocatalyst particles, 30-98 (inclusive) parts by mass of silica particles and 1-50 (inclusive) parts by mass of zirconia particles, so that the total all of these particles is 100 parts by mass. The photocatalyst coated body is also characterized in that the zirconia particles are at least one kind of particles selected from the group consisting of crystalline zirconia particles having an average crystallite diameter of 10 nm or less and amorphous zirconia particles. Such photocatalyst coated body has excellent photocatalytic degradation function and excellent weather resistance; and also it is capable of suppressing the formation of intermediate products such as NO2, while increasing the amount of NOx removed during removal of NOx in the air.Type: ApplicationFiled: July 26, 2011Publication date: August 29, 2013Applicant: TOTO LTD.Inventors: Hiroyuki Fujii, Junji Kameshima, Koji Omoshiki, Satoru Kitazaki, Susumu Adachi
-
Patent number: 8372774Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica. The inorganic oxide particles have a number average particle diameter ranging from 10 nm or more to less than 40 nm calculated by measuring lengths of 100 particles randomly selected from particles located within a visible field magnified 200,000 times by a scanning electron microscope.Type: GrantFiled: February 15, 2012Date of Patent: February 12, 2013Assignee: Toto Ltd.Inventors: Satoru Kitazaki, Junji Kameshima, Koji Omoshiki, Yoji Takaki, Yuki Tanaka, Hironaga Iwata, Makoto Hayakawa, Mitsuyoshi Kanno
-
Patent number: 8216959Abstract: A photocatalyst-coated body includes a substrate with an organic material as a surface thereof, a photocatalyst layer with interstices between the particles in the layer and an intermediate layer provided between the substrate and the photocatalyst layer. The photocatalyst layer includes photocatalyst particles in a range of 1 part?x<20 parts by mass, inorganic oxide particles in a range of 70 parts?y<99 parts by mass, and a dried substance of a hydrolyzable silicone in a range of zero parts?z<10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles, and the dried substance of the hydrolyzable silicone is 100 parts by mass in terms of silica. The intermediate layer comprising a silicone-modified resin, wherein the silicone-modified resin includes silicon atom in an amount of 0.2% by mass or more and less than 16.5% by mass.Type: GrantFiled: February 24, 2011Date of Patent: July 10, 2012Assignee: Toto Ltd.Inventors: Satoru Kitazaki, Junji Kameshima, Koji Omoshiki, Yoji Takaki, Yuki Tanaka, Hironaga Iwata, Makoto Hayakawa, Mitsuyoshi Kanno
-
Patent number: 8207079Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica, wherein the photocatalyst layer has a film thickness of 3.0 ?m or less.Type: GrantFiled: December 10, 2010Date of Patent: June 26, 2012Assignee: Toto Ltd.Inventors: Satoru Kitazaki, Junji Kameshima, Koji Omoshiki, Yoji Takaki, Yuki Tanaka, Hironaga Iwata, Makoto Hayakawa, Mitsuyoshi Kanno
-
Publication number: 20120142521Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica. The inorganic oxide particles have a number average particle diameter ranging from 10 nm or more to less than 40 nm calculated by measuring lengths of 100 particles randomly selected from particles located within a visible field magnified 200,000 times by a scanning electron microscope.Type: ApplicationFiled: February 15, 2012Publication date: June 7, 2012Applicant: TOTO LTD.Inventors: Satoru KITAZAKI, Junji KAMESHIMA, Koji OMOSHIKI, Yoji TAKAKI, Yuki TANAKA, Hironaga IWATA, Makoto HAYAKAWA, Mitsuyoshi KANNO
-
Publication number: 20110236284Abstract: Disclosed are a photocatalyst-coated body that can realize a good weather resistance, a photocatalyst-coated body that, in removing NOx, particularly in removing NOx in air, can suppress the production of an intermediate product such as NO2 while increasing the NOx removed, and a photocatalytic coating liquid for use in the formation of the photocatalyst-coated body. The photocatalyst-coated body comprises a photocatalyst layer provided on a substrate. The photocatalyst layer comprises at least photocatalytic titanium oxide particles, silica particles, and a product obtained by drying water soluble zirconium compound.Type: ApplicationFiled: March 24, 2011Publication date: September 29, 2011Applicant: TOTO LTD.Inventors: Makoto HAYAKAWA, Koji OMOSHIKI, Satoru KITAZAKI, Hiroyuki FUJII, Mitsuyoshi KANNO, Junji KAMESHIMA
-
Patent number: 7977270Abstract: There is disclosed a photocatalyst-coated body which is superior in weather resistance, noxious gas decomposability, and various coating properties (such as ultraviolet absorptivity, transparency and film strength) while preventing corrosion of a substrate (in particular an organic substrate), and a photocatalyst coating liquid therefor. The photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate. The photocatalyst layer comprises photocatalyst particles of 1 part or more by mass and less than 20 parts by mass; inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass; and a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass.Type: GrantFiled: March 26, 2008Date of Patent: July 12, 2011Assignee: Toto Ltd.Inventors: Satoru Kitazaki, Junji Kameshima, Koji Omoshiki, Yoji Takaki, Yuki Tanaka, Hironaga Iwata, Makoto Hayakawa, Mitsuyoshi Kanno
-
Publication number: 20110143914Abstract: A photocatalyst-coated body includes a substrate with an organic material as a surface thereof, a photocatalyst layer with interstices between the particles in the layer and an intermediate layer provided between the substrate and the photocatalyst layer. The photocatalyst layer includes photocatalyst particles in a range of 1 part?x<20 parts by mass, inorganic oxide particles in a range of 70 parts?y<99 parts by mass, and a dried substance of a hydrolyzable silicone in a range of zero parts?z<10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles, and the dried substance of the hydrolyzable silicone is 100 parts by mass in terms of silica. The intermediate layer comprising a silicone-modified resin, wherein the silicone-modified resin includes silicon atom in an amount of 0.2% by mass or more and less than 16.5% by mass.Type: ApplicationFiled: February 24, 2011Publication date: June 16, 2011Applicant: TOTO LTD.Inventors: Satoru KITAZAKI, Junji KAMESHIMA, Koji OMOSHIKI, Yoji TAKAKI, Yuki TANAKA, Hironaga IWATA, Makoto HAYAKAWA, Mitsuyoshi KANNO
-
Publication number: 20110082027Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica, wherein the photocatalyst layer has a film thickness of 3.0 ?m or less.Type: ApplicationFiled: December 10, 2010Publication date: April 7, 2011Applicant: TOTO LTD.Inventors: Satoru KITAZAKI, Junji KAMESHIMA, Koji OMOSHIKI, Yoji TAKAKI, Yuki TANAKA, Hironaga IWATA, Makoto HAYAKAWA, Mitsuyoshi KANNO
-
Publication number: 20080254975Abstract: There is disclosed a photocatalyst-coated body which is superior in weather resistance, noxious gas decomposability, and various coating properties (such as ultraviolet absorptivity, transparency and film strength) while preventing corrosion of a substrate (in particular an organic substrate), and a photocatalyst coating liquid therefor. The photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate. The photocatalyst layer comprises photocatalyst particles of 1 part or more by mass and less than 20 parts by mass; inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass; and a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass.Type: ApplicationFiled: March 26, 2008Publication date: October 16, 2008Applicant: Toto Ltd.Inventors: Satoru Kitazaki, Junji Kameshima, Koji Omoshiki, Yoji Takaki, Yuki Tanaka, Hironaga Iwata, Makoto Hayakawa, Mitsuyoshi Kanno
-
Publication number: 20080004195Abstract: The present invention provides a gradually soluble coating film to be applied to instruments for waterworks. In a conventional polyvinyl alcohol solution not containing metal salt, there is formed a coating film in which polyvinyl alcohol molecules are piled up as shown in FIG. 2(a). In such coating film, water contacting with a surface thereof penetrates rapidly to the interface between the coating film and a base material, so that when water flows away, the coating film flows out and vanishes completely. On the other hand, in a coating film of the present invention, there are formed polyvinyl alcohol inclusion metal hydroxide clusters derived from the kind of metal in the solution as shown in FIG. 2(b). Although polyvinyl alcohol is dissolved or swollen to allow water to penetrate therein when water contacts with the coating film surface, the penetration speed of water in the direction of film thickness is controlled since the metal hydroxide clusters exist in the film.Type: ApplicationFiled: April 4, 2007Publication date: January 3, 2008Applicant: Toto Ltd.Inventors: Hiroyuki Fujii, Satoru Kitazaki, Chikara Endo, Mitsuyoshi Kanno