Patents by Inventor Yukihiro Iwasaki
Yukihiro Iwasaki 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: 11059997Abstract: A polishing composition comprising an abrasive grain; a modified microfibril cellulose in which at least a part of the cellulose units has a hydroxyl group at the C6 position oxidized to a carboxyl group; and a dispersion medium, wherein each content of Na and K is 100 ppm or less relative to the solids weight.Type: GrantFiled: December 28, 2017Date of Patent: July 13, 2021Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Michio Komatsu, Yukihiro Iwasaki, Hiroyasu Nishida, Yuji Tawarazako, Kazuhiro Nakayama
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Patent number: 10844259Abstract: Disclosed is a silica-based composite fine particle dispersion including a silica-based composite fine particle which comprises a mother particle containing amorphous silica as a main component with a child particle containing crystalline ceria as a main component on a surface thereof. Features of the silica-based composite fine particle include a silica to ceria mass ratio of 100:11 to 316, and when subjected to X-ray diffraction, only the crystalline phase of ceria is detected, and when subjected to X-ray diffraction for measurement, the crystalline ceria has a crystallite diameter of 10 to 25 nm.Type: GrantFiled: April 5, 2017Date of Patent: November 24, 2020Assignee: JGC Catalysts and Chemicals Ltd.Inventors: Yuji Tawarazako, Michio Komatsu, Kazuhiro Nakayama, Yukihiro Iwasaki, Yoshinori Wakamiya, Shota Kawakami, Shinya Usuda
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Publication number: 20190367777Abstract: A polishing composition comprising an abrasive grain; a modified microfibril cellulose in which at least a part of the cellulose units has a hydroxyl group at the C6 position oxidized to a carboxyl group; and a dispersion medium, wherein each content of Na and K is 100 ppm or less relative to the solids weight.Type: ApplicationFiled: December 28, 2017Publication date: December 5, 2019Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Michio KOMATSU, Yukihiro IWASAKI, Hiroyasu NISHIDA, Yuji TAWARAZAKO, Kazuhiro NAKAYAMA
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Publication number: 20190153279Abstract: Disclosed is a silica-based composite fine particle dispersion including a silica-based composite fine particle which comprises a mother particle containing amorphous silica as a main component with a child particle containing crystalline ceria as a main component on a surface thereof. Features of the silica-based composite fine particle include a silica to ceria mass ratio of 100:11 to 316, and when subjected to X-ray diffraction, only the crystalline phase of ceria is detected, and when subjected to X-ray diffraction for measurement, the crystalline ceria has a crystallite diameter of 10 to 25 nm.Type: ApplicationFiled: April 5, 2017Publication date: May 23, 2019Inventors: Yuji Tawarazako, Michio Komatsu, Kazuhiro Nakayama, Yukihiro Iwasaki, Yoshinori Wakamiya, Shota Kawakami, Shinya Usuda
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Patent number: 9757888Abstract: A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape.Type: GrantFiled: April 23, 2013Date of Patent: September 12, 2017Assignee: MITSUI CHEMICALS TOHCELLO, INC.Inventors: Hiroyuki Kuroda, Takatoshi Yaoita, Shigeyuki Shishido, Yukihiro Iwasaki, Takafumi Mori, Katsuhiko Funaki, Hirofumi Zenkoh
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Publication number: 20150122331Abstract: An encapsulating sheet for solar cell for encapsulating a solar cell, in which, in a case in which a square sheet obtained by cutting the sheet so that a planar shape becomes a square shape is heated at the atmospheric pressure and 150° C. for 15 minutes and is thus thermally shrunk, when a length of one side of the square sheet before being thermally shrunk is represented by L, a direction in parallel with a first side is considered as a first direction, and a direction perpendicular to the first side is considered as a second direction, and in the thermally-shrunk square sheet, a shortest length in the first direction is represented by M1, and a shortest length in the second direction is represented by M2, 0?|(M1?M2)/L|?0.4 is satisfied.Type: ApplicationFiled: February 7, 2013Publication date: May 7, 2015Applicant: Mitsui Chemicals Tohcello, Inc.Inventors: Hiroyuki Kuroda, Takatoshi Yaoita, Shigeyuki Shishido, Yukihiro Iwasaki, Takafumi Mori
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Publication number: 20150084230Abstract: A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape.Type: ApplicationFiled: April 23, 2013Publication date: March 26, 2015Applicant: MITSUI CHEMICALS TOHCELLO, INC.Inventors: Hiroyuki Kuroda, Takatoshi Yaoita, Shigeyuki Shishido, Yukihiro Iwasaki, Takafumi Mori, Katsuhiko Funaki, Hirofumi Zenkoh
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Publication number: 20080019075Abstract: A dielectric capacitor includes: a TiAlN film formed on a base substrate; a first electrode formed above the TiAlN film; a dielectric film formed above the first electrode; and a second electrode formed above the dielectric film, wherein the TiAlN film is crystalline, and has a (200) plane preferentially oriented in parallel with a surface of the base substrate.Type: ApplicationFiled: July 19, 2007Publication date: January 24, 2008Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuo SAWASAKI, Yukio KITAHARA, Yukihiro IWASAKI
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Patent number: 7244979Abstract: A semiconductor memory device includes a substrate having a semiconductor element formed thereon, an interlayer dielectric layer formed above the substrate, a plug formed in the interlayer dielectric layer, an adhesion layer formed in a region including a region above the plug, and a ferroelectric capacitor formed above the adhesion layer and having a lower electrode, a ferroelectric layer and an upper electrode, wherein an oxidized layer is formed in a part of the adhesion layer at a side wall thereof.Type: GrantFiled: December 19, 2005Date of Patent: July 17, 2007Assignee: Seiko Epson CorporationInventors: Yukihiro Iwasaki, Tatsuo Sawasaki, Kazumasa Hasegawa
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Patent number: 7212024Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.Type: GrantFiled: September 28, 2004Date of Patent: May 1, 2007Assignees: Sharp Kabushiki KaishaInventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
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Publication number: 20060138506Abstract: A semiconductor memory device includes a substrate having a semiconductor element formed thereon, an interlayer dielectric layer formed above the substrate, a plug formed in the interlayer dielectric layer, an adhesion layer formed in a region including a region above the plug, and a ferroelectric capacitor formed above the adhesion layer and having a lower electrode, a ferroelectric layer and an upper electrode, wherein an oxidized layer is formed in a part of the adhesion layer at a side wall thereof.Type: ApplicationFiled: December 19, 2005Publication date: June 29, 2006Inventors: Yukihiro Iwasaki, Tatsuo Sawasaki, Kazumasa Hasegawa
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Publication number: 20050068057Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.Type: ApplicationFiled: September 28, 2004Publication date: March 31, 2005Inventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
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Patent number: 6798231Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.Type: GrantFiled: October 29, 2002Date of Patent: September 28, 2004Assignee: Ishiwawajima-Harima Heavy Industries Co., Ltd. & Sharp Kabushiki KaishaInventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
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Publication number: 20030113007Abstract: The object of the present invention is to provide an inspection apparatus for liquid crystal drive substrates that improves the inspection accuracy of liquid crystal drive substrates, judges defect type more accurately, and does not cause a decrease in throughput.Type: ApplicationFiled: October 29, 2002Publication date: June 19, 2003Inventors: Yukihiro Iwasaki, Yutaka Nagasawa, Yoshikazu Yoshimoto
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Patent number: 5492762Abstract: Conductive substrate having on their surface a coating formed from a coating solution for forming a transparent conductive coating prepared by dispersion of dissolving in water and/or organic solvent such conductive particles as having (a) an average particle diameter of not more than 500 .ANG., wherein (b) an amount of particles having a particle diameter of not more than 600 .ANG. is more than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 .ANG. is more than 5% by weight and (d) an amount of particles having a particle diameter of more than 1000 .ANG.Type: GrantFiled: September 29, 1994Date of Patent: February 20, 1996Assignee: Catalysts & Chemicals Industries Co., Ltd.Inventors: Toshiharu Hirai, Michio Komatsu, Akira Nakashima, Yoneji Abe, Yukihiro Iwasaki
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Patent number: 5376308Abstract: Conductive substrate having on their surface a coating formed from a coating solution for forming a transparent conductive coating prepared by dispersion of dissolving in water and/or organic solvent such conductive particles as having (a) an average particle diameter of not more than 500 .ANG., wherein (b) an amount of particles having a particle diameter of not more than 600 .ANG. is more than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 .ANG. is more than 5% by weight and (d) an amount of particles having a particle diameter of more than 1000 .ANG.Type: GrantFiled: July 20, 1992Date of Patent: December 27, 1994Assignee: Catalysts & Chemicals Industries Co., Ltd.Inventors: Toshiharu Hirai, Michio Komatsu, Akira Nakashima, Yoneji Abe, Yukihiro Iwasaki