Patents by Inventor Nobuchika Noguchi
Nobuchika Noguchi 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: 10576609Abstract: A manufacturing method of the honeycomb structure uses a grinding wheel having a coarse abrasive grain layer and a pair of fine abrasive grain layers sintered and secured to be formed on both sides of the coarse abrasive grain layer, and has a grinding wheel rotating step of rotating the pair of grinding wheels disposed via a predetermined space in a state where fine abrasive grain layers of the grinding wheels face each other; a conveying step of conveying a honeycomb formed body formed by extrusion and the like; an end face grinding step of grinding end faces of the conveyed honeycomb formed body with the rotating grinding wheels; and a firing step of firing the honeycomb formed body.Type: GrantFiled: February 19, 2016Date of Patent: March 3, 2020Assignee: NGK Insulators, Ltd.Inventors: Nobuyuki Umetsu, Toshihiro Fukui, Nobuchika Noguchi
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Publication number: 20190152021Abstract: Through the following steps (a) and (b), the side surface of a grinding object is ground to manufacture a ground product having a smaller diameter than that of the grinding object. In the step (a), a cup type grinding stone is disposed such that the central axis is parallel offset from a state where the central axis is orthogonal to the central axis of the grinding object. In the step (b), the cup type grinding stone is axially rotated so that the cup type grinding stone grinds the side surface of the grinding object while the grinding object is axially rotated and moved in the axial direction. Thereby, the outer peripheral surface of the grinding object is finish-ground by the bottom grinding stone portion of the cup type grinding stone while the grinding object is rough-ground by the side grinding stone portion to obtain a ground product.Type: ApplicationFiled: January 23, 2019Publication date: May 23, 2019Applicant: NGK INSULATORS, LTD.Inventors: Kazumasa KITAMURA, Hirofumi HOSOKAWA, Nobuchika NOGUCHI
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Patent number: 10046430Abstract: The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.Type: GrantFiled: January 6, 2016Date of Patent: August 14, 2018Assignee: NGK Insulators, Ltd.Inventors: Toshihiro Fukui, Nobuyuki Umetsu, Nobuchika Noguchi
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Publication number: 20160263728Abstract: A manufacturing method of the honeycomb structure uses a grinding wheel having a coarse abrasive grain layer and a pair of fine abrasive grain layers sintered and secured to be formed on both sides of the coarse abrasive grain layer, and has a grinding wheel rotating step of rotating the pair of grinding wheels disposed via a predetermined space in a state where fine abrasive grain layers of the grinding wheels face each other; a conveying step of conveying a honeycomb formed body formed by extrusion and the like; an end face grinding step of grinding end faces of the conveyed honeycomb formed body with the rotating grinding wheels; and a firing step of firing the honeycomb formed body.Type: ApplicationFiled: February 19, 2016Publication date: September 15, 2016Inventors: Nobuyuki UMETSU, Toshihiro FUKUI, Nobuchika NOGUCHI
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Publication number: 20160207158Abstract: The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.Type: ApplicationFiled: January 6, 2016Publication date: July 21, 2016Inventors: Toshihiro FUKUI, Nobuyuki UMETSU, Nobuchika NOGUCHI
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Patent number: 7402936Abstract: A piezoelectric/electrostrictive device is provided with a stationary portion, a thin-plate portion supported by the stationary portion, and piezoelectric/electrostrictive element formed by alternately laminating a plurality of electrodes and a plurality of piezoelectric/electrostrictive layers. The piezoelectric/electrostrictive device is produced by cutting a thin-plate body that composes the thin-plate portion afterward and a laminated body comprising the piezoelectric/electrostrictive layers and thereafter applying prescribed specific processing (for example, heat treatment) to the cut plane (the lateral end surfaces).Type: GrantFiled: April 23, 2007Date of Patent: July 22, 2008Assignee: NGK Insulators, Ltd.Inventors: Koji Ikeda, Yuya Kikuta, Nobuchika Noguchi, Kazumasa Kitamura, Kazuyoshi Shibata
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Publication number: 20080120821Abstract: A piezoelectric/electrostrictive device is provided with a stationary portion, a thin-plate portion supported by the stationary portion, and piezoelectric/electrostrictive element formed by alternately laminating a plurality of electrodes and a plurality of piezoelectric/electrostrictive layers. The piezoelectric/electrostrictive device is produced by cutting a thin-plate body that composes the thin-plate portion afterward and a laminated body comprising the piezoelectric/electrostrictive layers and thereafter applying prescribed specific processing (for example, heat treatment) to the cut plane (the lateral end surfaces).Type: ApplicationFiled: December 18, 2007Publication date: May 29, 2008Applicant: NGK Insulators, Ltd.Inventors: Koji IKEDA, Yuya Kikuta, Nobuchika Noguchi, Kazumasa Kitamura, Kazuyoshi Shibata
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Publication number: 20070188052Abstract: A piezoelectric/electrostrictive device is provided with a stationary portion, a thin-plate portion supported by the stationary portion, and piezoelectric/electrostrictive element formed by alternately laminating a plurality of electrodes and a plurality of piezoelectric/electrostrictive layers. The piezoelectric/electrostrictive device is produced by cutting a thin-plate body that composes the thin-plate portion afterward and a laminated body comprising the piezoelectric/electrostrictive layers and thereafter applying prescribed specific processing (for example, heat treatment) to the cut plane (the lateral end surfaces).Type: ApplicationFiled: April 23, 2007Publication date: August 16, 2007Applicant: NGK Insulators, Ltd.Inventors: Koji IKEDA, Yuya Kikuta, Nobuchika Noguchi, Kazumasa Kitamura, Kazuyoshi Shibata
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Publication number: 20060025051Abstract: A wire sawing apparatus includes a plurality of cutting wires arranged in parallel with one another and caused to travel in their axial directions; a table on which a workpiece is placed and held; a moving device for vertically moving the table; and a machining-liquid feed pipe. While a machining liquid is falling from a machining-liquid feed opening of the machining-liquid feed pipe, the moving device causes the workpiece to be pressed against the traveling cutting wires, thereby cutting the workpiece. The wire sawing apparatus further includes a plurality of strip members attached to and hanging from the machining-liquid feed pipe. The strip members control the geometry of the machining liquid falling from the machining-liquid feed pipe such that the machining liquid falls substantially vertically without concentrating toward the center.Type: ApplicationFiled: July 26, 2005Publication date: February 2, 2006Applicant: NGK Insulators, Ltd.Inventors: Nobuchika Noguchi, Shinya Yoshida
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Publication number: 20030025442Abstract: A display device comprises a main display device body incorporated into a frame constructed by assembling transparent plate members. Specifically, a plurality of display blocks are arranged in a matrix configuration in an opening of the frame. Further, a substance having a light-transmitting property adjusted for its refractive index, for example, a flexible type adhesive made of an acrylic material is allowed to intervene at end surface portions of the respective display blocks and between the display blocks and the inner wall of the frame.Type: ApplicationFiled: July 23, 2002Publication date: February 6, 2003Applicant: NGK Insulators, Ltd.Inventors: Yukihisa Takeuchi, Hiroyuki Tsuji, Tsutomu Nanataki, Iwao Ohwada, Nobutoshi Toyama, Nobuchika Noguchi
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Publication number: 20030026564Abstract: A large number of display components are arranged and fixed, for example, in a matrix configuration on a first principal surface of a large optical guide plate to construct a main display device body. A substance having a light-transmitting property adjusted for its refractive index is allowed to intervene at least between the large optical guide plate and the display components. The refractive index of the substance is preferably similar to the refractive index of the large optical guide plate as closely as possible. As for the light-transmitting property of the substrate, it is preferable that the transmittance is not less than 50% for the perpendicular incident light at the wavelength in the visible light region, and it is more preferable that the transmittance is not less than 70%, in order to successfully introduce the light into the display component in an efficient manner and suppress the electric power consumption.Type: ApplicationFiled: July 22, 2002Publication date: February 6, 2003Applicant: NGK Insulators, Ltd.Inventors: Yukihisa Takeuchi, Hiroyuki Tsuji, Tsutomu Nanataki, Iwao Ohwada, Nobutoshi Toyama, Nobuchika Noguchi
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Publication number: 20020140348Abstract: A light absorbing member is disposed on the periphery of a display element, a light absorbing layer is applied to an area that appears as a bright defect, and a projection is disposed on a surface of an optical waveguide panel of the display element which confronts a large-size light guide panel. If the projection comprises at least three projections, then the projections should preferably be disposed in respective positions spaced from the closest side of the display element by a distance of at most L/3 where L represents the length of a longer side of the display element.Type: ApplicationFiled: March 22, 2002Publication date: October 3, 2002Applicant: NGK Insulators, Ltd.Inventors: Yukihisa Takeuchi, Hiroyuki Tsuji, Tsutomu Nanataki, Iwao Ohwada, Nobutoshi Toyama, Nobuchika Noguchi
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Patent number: 6453100Abstract: A large number of display components are arranged and fixed, for example, in a matrix configuration on a first principal surface of a large optical guide plate to construct a main display device body. A substance having a light-transmitting property adjusted for its refractive index is allowed to intervene at least between the large optical guide plate and the display components. The refractive index of the substance is preferably similar to the refractive index of the large optical guide plate as closely as possible. As for the light-transmitting property of the substrate, it is preferable that the transmittance is not less than 50% for the perpendicular incident light at the wavelength in the visible light region, and it is more preferable that the transmittance is not less than 70%, in order to successfully introduce the light into the display component and suppress the electric power consumption.Type: GrantFiled: March 30, 2000Date of Patent: September 17, 2002Assignee: NGK Insulators, Ltd.Inventors: Yukihisa Takeuchi, Hiroyuki Tsuji, Tsutomu Nanataki, Twao Ohwada, Nobutoshi Toyama, Nobuchika Noguchi