Patents by Inventor Koji Shimato
Koji Shimato 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: 8083826Abstract: A honeycomb filter includes cell walls and cells. The cell walls extend along a longitudinal direction of the honeycomb filter to define the cells between the cell walls. The cells have first cells and second cells each having a substantially square shape in a cross-section perpendicular to the longitudinal direction. The first cells are sealed and the second cells are open at one end face of the honeycomb filter. The substantially square shape of the first cells includes a first side whose extended line intersects a second side except for corner portions of the substantially square shape of the second cells. The second side and the extended line of the first side are substantially perpendicular.Type: GrantFiled: December 3, 2010Date of Patent: December 27, 2011Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Patent number: 8080082Abstract: A honeycomb filter includes an outer wall having a substantially cylindrical shape and a central axis of the substantially cylindrical shape, first walls provided at an inner side of the outer wall and extending along the central axis, and second walls provided at the inner side of the outer wall and extending along the central axis. The first walls and the second walls substantially perpendicularly cross to define cells having a substantially square shape in a cross-section perpendicular to the central axis. A thickness of the outer wall in the cross-section at a first intersection between the outer wall and a first diameter substantially parallel to the first walls in the cross-section and a thickness of the outer wall in the cross-section at a second intersection between the outer wall and a second diameter substantially parallel to the second walls in the cross-section are largest.Type: GrantFiled: April 29, 2010Date of Patent: December 20, 2011Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Publication number: 20110304084Abstract: A method for producing a honeycomb filter includes mixing ceramic particles and a binder to obtain a ceramic raw material slurry. The ceramic raw material slurry is provided into an extruder to obtain a molded honeycomb filter. The molded honeycomb filter includes cell walls extending along a longitudinal direction of the molded honeycomb filter to define cells having a substantially square shape. The molded honeycomb filter is dried using a microwave dryer. A sealing paste is provided in at least one of the cells at one end face of the honeycomb filter to seal the at least one of the cells at the one end face. The sealing paste is dried using a microwave dryer. The dried molded honeycomb filter is sintered.Type: ApplicationFiled: August 19, 2011Publication date: December 15, 2011Applicant: IBIDEN CO., LTD.Inventors: Kazushige OHNO, Koji Shimato, Masahiro Tsuji
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Patent number: 7951324Abstract: The method for manufacturing a honeycomb structure includes preparing a material composition containing at least a silicon carbide powder, a binder and an additive; molding the material composition to form a pillar-shaped honeycomb molded body in which a number of cells are placed in parallel with one another in a longitudinal direction with a cell wall therebetween; carrying out a degreasing treatment on the honeycomb molded body; and carrying out a firing treatment on the honeycomb degreased body to manufacture a honeycomb fired body. The additive contains at least one kind selected from the group consisting of alumina, silica, titania, zirconia, magnesia, and a chemical composite containing any of alumina, silica, titania, zirconia and magnesia.Type: GrantFiled: September 4, 2007Date of Patent: May 31, 2011Assignee: Ibiden Co., Ltd.Inventors: Kazuya Naruse, Daniel Merle, Koji Shimato, Kazutomo Matsui
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Publication number: 20110070129Abstract: A honeycomb filter includes cell walls and cells. The cell walls extend along a longitudinal direction of the honeycomb filter to define the cells between the cell walls. The cells have first cells and second cells each having a substantially square shape in a cross-section perpendicular to the longitudinal direction. The first cells are sealed and the second cells are open at one end face of the honeycomb filter. The substantially square shape of the first cells includes a first side whose extended line intersects a second side except for corner portions of the substantially square shape of the second cells. The second side and the extended line of the first side are substantially perpendicular.Type: ApplicationFiled: December 3, 2010Publication date: March 24, 2011Applicant: IBIDEN CO., LTD.Inventors: Kazushige OHNO, Koji SHIMATO, Masahiro TSUJI
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Publication number: 20100209310Abstract: A honeycomb filter includes an outer wall having a substantially cylindrical shape and a central axis of the substantially cylindrical shape, first walls provided at an inner side of the outer wall and extending along the central axis, and second walls provided at the inner side of the outer wall and extending along the central axis. The first walls and the second walls substantially perpendicularly cross to define cells having a substantially square shape in a cross-section perpendicular to the central axis. A thickness of the outer wall in the cross-section at a first intersection between the outer wall and a first diameter substantially parallel to the first walls in the cross-section and a thickness of the outer wall in the cross-section at a second intersection between the outer wall and a second diameter substantially parallel to the second walls in the cross-section are largest.Type: ApplicationFiled: April 29, 2010Publication date: August 19, 2010Applicant: IBIDEN CO., LTD.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Patent number: 7520178Abstract: A method for inspecting a honeycomb fired body includes transporting the honeycomb fired body along a transportation line, and inspecting the honeycomb fired body for a crack during the transporting step.Type: GrantFiled: May 17, 2007Date of Patent: April 21, 2009Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Norihiko Yamamura
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Patent number: 7427309Abstract: A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sintered porous ceramic body. The seal layer (15) has a thickness of 0.3 mm to 3 mm and a thermal conductance of 0.1 W/mK to 10 W/mk.Type: GrantFiled: September 21, 2005Date of Patent: September 23, 2008Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Publication number: 20080120950Abstract: An integral honeycomb filter assembly is produced by adhering ceramic seal layer outer surfaces of a plurality of honeycomb filters. Each of the plurality of honeycomb filters has a plurality of cells defined by a cell wall, and purifies fluid including particulates with the cell wall. A ratio L/S between a filter length L in a flow direction of a processed fluid and a filter cross-section S in a direction perpendicular to the flow direction for each honeycomb filter is 0.06 to 0.75 mm/mm2. A ratio L/S between a filter length L in a flow direction of a processed fluid and a filter cross-section S in a direction perpendicular to the flow direction for the integral honeycomb filter assembly is 0.06 to 0.75 mm/mm2.Type: ApplicationFiled: February 15, 2008Publication date: May 29, 2008Applicant: IBIDEN CO., LTD.Inventors: Kazushige OHNO, Koji SHIMATO, Masahiro TSUJI
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Publication number: 20080115597Abstract: A method for inspecting a honeycomb fired body includes transporting the honeycomb fired body along a transportation line, and inspecting the honeycomb fired body for a crack during the transporting step.Type: ApplicationFiled: May 17, 2007Publication date: May 22, 2008Applicant: IBIDEN CO., LTD.Inventors: Kazushige OHNO, Koji Shimato, Norihiko Yamamura
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Publication number: 20080084010Abstract: The method for manufacturing a honeycomb structure includes preparing a material composition containing at least a silicon carbide powder, a binder and an additive; molding the material composition to form a pillar-shaped honeycomb molded body in which a number of cells are placed in parallel with one another in a longitudinal direction with a cell wall therebetween; carrying out a degreasing treatment on the honeycomb molded body; and carrying out a firing treatment on the honeycomb degreased body to manufacture a honeycomb fired body. The additive contains at least one kind selected from the group consisting of alumina, silica, titania, zirconia, magnesia, and a chemical composite containing any of alumina, silica, titania, zirconia and magnesia.Type: ApplicationFiled: September 4, 2007Publication date: April 10, 2008Applicant: IBIDEN CO., LTD.Inventors: Kazuya Naruse, Daniel Merle, Koji Shimato, Kazutomo Matsui
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Publication number: 20070148403Abstract: A method for manufacturing a honeycomb structured body according to the present invention comprises manufacturing a pillar-shaped honeycomb molded body having a large number of cells longitudinally placed in parallel with one another with a cell wall therebetween; forming a honeycomb fired body by degreasing and firing the honeycomb molded body; and binding a plurality of the honeycomb fired bodies by interposing a sealing material layer, and further comprising: drawing information on a side face of the honeycomb molded body and/or the honeycomb fired body, prior to said binding, said information drawn in form of at least one of a graphic, a symbol, a character, a barcode and a two-dimensional code.Type: ApplicationFiled: November 30, 2006Publication date: June 28, 2007Inventors: Norihiko Yamamura, Kazushige Ohno, Koji Shimato
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Patent number: 7112233Abstract: A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sintered porous ceramic body. The seal layer (15) has a thickness of 0.3 mm to 3 mm and a thermal conductance of 0.1 W/mK to 10 W/mk.Type: GrantFiled: September 26, 2003Date of Patent: September 26, 2006Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Publication number: 20060021310Abstract: A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sintered porous ceramic body. The seal layer (15) has a thickness of 0.3 mm to 3 mm and a thermal conductance of 0.1 W/mK to 10 W/mk.Type: ApplicationFiled: September 21, 2005Publication date: February 2, 2006Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Publication number: 20040055265Abstract: A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sintered porous ceramic body. The seal layer (15) has a thickness of 0.3 mm to 3 mm and a thermal conductance of 0.1 W/mK to 10 W/mk.Type: ApplicationFiled: September 26, 2003Publication date: March 25, 2004Applicant: IBIDEN CO., LTD.,Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Patent number: 6669751Abstract: A ceramic filter assembly having improved exhaust gas processing efficiency. The ceramic filter assembly (9) is produced by adhering with a ceramic seal layer (15) outer surfaces of a plurality of filters (F1), each of which is formed from a sintered porous ceramic body. The seal layer (15) has a thickness of 0.3 mm to 3 mm and a thermal conductance of 0.1 W/mK to 10 W/mk.Type: GrantFiled: July 30, 2001Date of Patent: December 30, 2003Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Patent number: 5930994Abstract: A reverse cleaning regeneration type exhaust emission control device includes two exhaust emission routes communicated with an inlet port of an exhaust emission path. The device includes first path A having a filter A1, a valve A2 and a nozzle A3 and a second path B having a filter B1, a valve B2 and a nozzle B3, and a third path C arranged at an upstream side of the filters A1 and B1 separately from the exhaust emission path extending from the inlet port of the exhaust emission and having a filter C1, a valve C2 and a nozzle C3. The reverse cleanings of the filters A1 and B1 are alternately carried out during the working of the device.Type: GrantFiled: June 25, 1997Date of Patent: August 3, 1999Assignee: Ibiden Co., Ltd.Inventors: Koji Shimato, Kazuya Naruse, Norihiko Yamamura, Hirosi Demati, Takaya Naiki
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Patent number: 5914187Abstract: Ceramic structural body having improved material properties of a sealing member, such as adhesion properties at room temperature and high temperature, and having an improved durability. The ceramic structural body comprises an assembly of plural united ceramic members each having a plurality of through-holes arranged side by side along a longitudinal direction, in which end faces at either side of these through-holes are closed in a checkered pattern so as to have a reverse relation of open and close between gas inlet side and gas outlet side and adjacent through-holes are permeable to each other through porous partition walls. A plurality of the ceramic members are integrally adhered by interposing a sealing member of an elastic material comprising at least inorganic fibers, an inorganic binder, an organic binder and inorganic particles and mutually bonded three-dimensionally intersected organic fibers and inorganic particles through the inorganic binder and organic binder between the mutual ceramic members.Type: GrantFiled: September 9, 1997Date of Patent: June 22, 1999Assignees: Ibiden Co., Ltd., Nissan Diesel Motor Co., Ltd.Inventors: Kazuya Naruse, Satoshi Ohno, Koji Shimato, Hiroshi Okazoe, Seiki Iwahiro