Patents by Inventor Seishiro Murata
Seishiro Murata 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: 11882940Abstract: A cushion body for sitting is provided which can offer good feeling of sitting even to many unspecified users of various body shapes and allow them to be seated more comfortably. A cushion body for sitting (1) includes: a base part (2) having a sitting surface (S1) formed of a curved surface that is curved concavely to support, from below, the buttocks of a seated person in a seated posture; and a pair of side supporting portions (3) each having a side supporting surface (S2) formed of a curved surface that is curved continuously from the sitting surface (S1) of the base part (2), where the pair of side supporting portions (3) project from sides of the base part (2) such that the side supporting portions (3) can be bent and deformed by a load applied to the side supporting surfaces (S2), so as to support both the left and right parts of the buttocks of the seated person in the seated posture.Type: GrantFiled: August 4, 2020Date of Patent: January 30, 2024Assignee: JSP CorporationInventor: Seishiro Murata
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Publication number: 20220273102Abstract: A cushion body for sitting is provided which can offer good feeling of sitting even to many unspecified users of various body shapes and allow them to be seated more comfortably. A cushion body for sitting (1) includes: a base part (2) having a sitting surface (S1) formed of a curved surface that is curved concavely to support, from below, the buttocks of a seated person in a seated posture; and a pair of side supporting portions (3) each having a side supporting surface (S2) formed of a curved surface that is curved continuously from the sitting surface (S1) of the base part (2), where the pair of side supporting portions (3) project from sides of the base part (2) such that the side supporting portions (3) can be bent and deformed by a load applied to the side supporting surfaces (S2), so as to support both the left and right parts of the buttocks of the seated person in the seated posture.Type: ApplicationFiled: August 4, 2020Publication date: September 1, 2022Inventor: Seishiro Murata
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Patent number: 10667614Abstract: A long synthetic resin foam body composed of a thermoplastic resin expanded beads-molded substrate and a frame having displacement regulating sections provided at both ends in the longitudinal or lateral direction of the substrate and a connecting section that connects the displacement regulating sections to each other. The substrate has at least one joint forming portion that divides the substrate in a direction intersecting the connecting section into two or more substrate parts. The joint forming portion has a joint that connects the adjacent two substrate parts to each other and is deformable to permit a relative displacement between the adjacent two substrate parts when the substrate contracts or expands.Type: GrantFiled: February 17, 2017Date of Patent: June 2, 2020Assignee: JSP CORPORATIONInventors: Seishiro Murata, Hiroyuki Ito
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Publication number: 20190099002Abstract: A long synthetic resin foam body composed of a thermoplastic resin expanded beads-molded substrate and a frame having displacement regulating sections provided at both ends in the longitudinal or lateral direction of the substrate and a connecting section that connects the displacement regulating sections to each other. The substrate has at least one joint forming portion that divides the substrate in a direction intersecting the connecting section into two or more substrate parts. The joint forming portion has a joint that connects the adjacent two substrate parts to each other and is deformable to permit a relative displacement between the adjacent two substrate parts when the substrate contracts or expands.Type: ApplicationFiled: February 17, 2017Publication date: April 4, 2019Applicant: JSP CORPORATIONInventors: Seishiro MURATA, Hiroyuki ITO
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Patent number: 9937838Abstract: The present invention solves the problem of realizing a lighter cushion body that has ample cushioning properties when a person sits or lies thereon by: providing a plurality of rod-shaped or flat plate-shaped support bodies (2) comprising a synthetic resin foam that has a bending deflection amount of 20 mm or more as measured according to the method described in JIS K7221-2:2006 and a pressing force of 2-100 N at 20 mm of deflection, and legs (3) on which the support bodies (2) are placed or fixed; using the support bodies and the legs to form a space (5) that makes it possible to bend and deform the support bodies; and arranging the plurality of rod-shaped or flat plate-shaped support bodies (2) in a row so as to be deformable.Type: GrantFiled: June 17, 2014Date of Patent: April 10, 2018Assignees: TOYO SEAT CO., LTD., JSP CORPORATIONInventors: Hiroyuki Ito, Seishiro Murata, Satoru Shioya, Takashi Imai
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Patent number: 9580000Abstract: A seat back for vehicles including a seat back pad having supporting bodies fixed on a periphery of an opening or a seat frame, or formed integrally with the periphery of the opening by one or multiple-point support, the supporting bodies aligned at predetermined intervals, each arranged in a direction between periphery portions opposite to each other of the opening at a front surface portion formed as a backrest surface for a seated person, the supporting bodies being independent of each other in rod or plate form, each made of a synthetic resin foam having 20 mm or larger in bending deflection amount and 2 to 100 N in load when deflected by 20 mm measured in accordance with a method defined by JIS K7221-2:2006, and having an interspace portion configured such that the supporting bodies are allowed to be deformed by bending in a rear direction.Type: GrantFiled: June 17, 2014Date of Patent: February 28, 2017Assignees: TOYO SEAT CO., LTD., JSP CORPORATIONInventors: Hiroyuki Ito, Takashi Imai, Hidehiro Sasaki, Seishiro Murata, Satoru Shioya
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Publication number: 20160152168Abstract: The present invention solves the problem of realizing a lighter cushion body that has ample cushioning properties when a person sits or lies thereon by: providing a plurality of rod-shaped or flat plate-shaped support bodies (2) comprising a synthetic resin foam that has a bending deflection amount of 20 mm or more as measured according to the method described in JIS K7221-2:2006 and a pressing force of 2-100 N at 20 mm of deflection, and legs (3) on which the support bodies (2) are placed or fixed; using the support bodies and the legs to form a space (5) that makes it possible to bend and deform the support bodies; and arranging the plurality of rod-shaped or flat plate-shaped support bodies (2) in a row so as to be deformable.Type: ApplicationFiled: June 17, 2014Publication date: June 2, 2016Inventors: Hiroyuki ITO, Seishiro MURATA, Satoru SHIOYA, Takashi IMAI
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Publication number: 20160144756Abstract: The object of the present invention is to provide a seat cushion for vehicles which is excellent in recyclability, fitting feeling and cushioning properties when an occupant is seated. A plurality of independent rod-like or plate-like supporting bodies are constructed by a synthetic resin foam having a bending deflection amount equal to or larger than 20 mm and a load between 2 and 100 N at the 20 mm bending deflection time, a seat cushion pad is structured such as to be mounted, fitted or fixedly provided in the edge-like member or be integrally formed with the edge-like member so as to be supported at one point or a plurality of points in a direction of bridging between the edge-like members, a plurality of supporting bodies 3 are structured such as to be lined up at predetermined intervals.Type: ApplicationFiled: June 17, 2014Publication date: May 26, 2016Applicants: Toyo Seat Co., Ltd., JSP CorporationInventors: Hiroyuki ITO, Seishiro MURATA, Satoru SHIOYA, Takashi IMAI
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Publication number: 20140312676Abstract: A seat back for vehicles including a seat back pad having supporting bodies fixed on a periphery of an opening or a seat frame, or formed integrally with the periphery of the opening by one or multiple-point support, the supporting bodies aligned at predetermined intervals, each arranged in a direction between periphery portions opposite to each other of the opening at a front surface portion formed as a backrest surface for a seated person, the supporting bodies being independent of each other in rod or plate form, each made of a synthetic resin foam having 20 mm or larger in bending deflection amount and 2 to 100 N in load when deflected by 20 mm measured in accordance with a method defined by JIS K7221-2:2006, and having an interspace portion configured such that the supporting bodies are allowed to be deformed by bending in a rear direction.Type: ApplicationFiled: June 17, 2014Publication date: October 23, 2014Applicants: JSP Corporation, Toyo Seat Co., Ltd.Inventors: Hiroyuki ITO, Takashi IMAI, Hidehiro SASAKI, Seishiro MURATA, Satoru SHIOYA
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Patent number: 7323128Abstract: An in-mold foam molding equipment, includes at least a movable partition member for dividing a molding space formed by a pair of molds into divided spaces, wherein the partition member is composed of a plurality of divisional partition members, wherein each of the divisional partition members individually has a retreat positioning protrusion and a insert positioning protrusion, and the divisional partition members are installed in a slider, wherein the slider is configured to move between the retreat positioning protrusions and the insert positioning protrusions, and the divisional partition members are configured to be movable in cooperation with the motion of the slider moving by contacting with the retreat positioning protrusions or the insert positioning protrusions, so that the divisional partition members divide the molding space into divided spaces, and therefore an integral molded article suppressed in occurrence of large protrusions and deep holes can be manufactured.Type: GrantFiled: February 5, 2007Date of Patent: January 29, 2008Assignee: JSP CorporationInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Publication number: 20070126139Abstract: An in-mold foam molding equipment, includes at least a movable partition member for dividing a molding space formed by a pair of molds into divided spaces, wherein the partition member is composed of a plurality of divisional partition members, wherein each of the divisional partition members individually has a retreat positioning protrusion and a insert positioning protrusion, and the divisional partition members are installed in a slider, wherein the slider is configured to move between the retreat positioning protrusions and the insert positioning protrusions, and the divisional partition members are configured to be movable in cooperation with the motion of the slider moving by contacting with the retreat positioning protrusions or the insert positioning protrusions, so that the divisional partition members divide the molding space into divided spaces, and therefore an integral molded article suppressed in occurrence of large protrusions and deep holes can be manufactured.Type: ApplicationFiled: February 5, 2007Publication date: June 7, 2007Applicant: JSP CORPORATIONInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Patent number: 7192265Abstract: An in-mold foam molding equipment, includes at least a movable partition member for dividing a molding space formed by a pair of molds into divided spaces, wherein the partition member is composed of a plurality of divisional partition members, wherein each of the divisional partition members individually has a retreat positioning protrusion and a insert positioning protrusion, and the divisional partition members are installed in a slider, wherein the slider is configured to move between the retreat positioning protrusions and the insert positioning protrusions, and the divisional partition members are configured to be movable in cooperation with the motion of the slider moving by contacting with the retreat positioning protrusions or the insert positioning protrusions, so that the divisional partition members divide the molding space into divided spaces, and therefore an integral molded article suppressed in occurrence of large protrusions and deep holes can be manufactured.Type: GrantFiled: May 19, 2004Date of Patent: March 20, 2007Assignee: JSP CorporationInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Patent number: 6983964Abstract: A bumper for attachment to the front of a vehicle, includes an elongated bumper beam having a front face provided with at least one rearwardly depressed portion extending lengthwise of the bumper beam, a compressable energy absorbing foam material extending lengthwise of the bumper beam, and a bumper fascia covering the foam material. The foam material has a first portion received in the depressed portion and a second portion protruding forwardly from the front face of the bumper beam such that the second portion is compressed into the depressed portion upon receipt of a collision impact.Type: GrantFiled: February 27, 2004Date of Patent: January 10, 2006Assignee: JSP CorporationInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Patent number: 6890009Abstract: An elongated bumper core of a polyolefin-based resin-containing foam having a density of 0.045-0.2 g/cm3 and showing a compressive load of F20 at 20% strain, a compressive load of F40 at 40% strain and a compressive load of F60 at 60% strain when compressed by a rigid pipe having an outer diameter of 70 mm at a compression speed of 500 mm/minute, wherein the ratio F20/F40 is in the range of 0.6-1.3 and the ratio F60/F40 is in the range of 0.75-1.3.Type: GrantFiled: August 25, 2003Date of Patent: May 10, 2005Assignee: JSP CorporationInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Publication number: 20040234636Abstract: An in-mold foam molding equipment, includes at least a movable partition member for dividing a molding space formed by a pair of molds into divided spaces,Type: ApplicationFiled: May 19, 2004Publication date: November 25, 2004Applicant: JSP CORPORATIONInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Publication number: 20040174024Abstract: A bumper structure useful for attachment to a front of a vehicle, including an elongated bumper beam having a front face provided with at least one rearwardly depressed portion extending lengthwise of the bumper beam, a compressable energy absorbing foam material extending lengthwise of the bumper beam, and a bumper fascia covering the foam material. The material has a first portion received in the depressed portion and a second portion protruded forwardly from the front face of the bumper beam such that the second portion is compressed in the depressed portion upon receipt of a collision impact.Type: ApplicationFiled: February 27, 2004Publication date: September 9, 2004Applicant: JSP CORPORATIONInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda
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Publication number: 20040056491Abstract: An elongated bumper core of a polyolefin-based resin-containing foam having a density of 0.045-0.2 g/cm3 and showing a compressive load of F20 at 20% strain, a compressive load of F40 at 40% strain and a compressive load of F60 at 60% strain when compressed by a rigid pipe having an outer diameter of 70 mm at a compression speed of 500 mm/minute, wherein the ratio F20/F40 is in the range of 0.6-1.3 and the ratio F60/F40 is in the range of 0.75-1.3.Type: ApplicationFiled: August 25, 2003Publication date: March 25, 2004Applicant: JSP CORPORATIONInventors: Seishiro Murata, Satoru Shioya, Masayuki Fukuda