Patents by Inventor Shigeru Kuroda
Shigeru Kuroda 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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Publication number: 20130234412Abstract: Injection molding is performed such that the reinforced resin is injected into the cavity and the space. The fixing portion shown is formed at the bottom portion side of the side surface portion of the main body portion by the injection molding. In this case, the fixing protrusion stripe portion, which is fitted to the fixing groove portion of the main body portion, is formed at the fixing portion. The projection portion projecting from the hole portion of the housing to an external portion is formed at the bottom portion of the fixing portion, and the projection portion is formed to have the shape engaging with the outer surface of the bottom portion of the housing.Type: ApplicationFiled: September 13, 2011Publication date: September 12, 2013Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda
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Publication number: 20130238175Abstract: A ground system includes a guidance-display-data creation device that creates a dataset including information on a stop station pattern, effective-period related information, and train number information as guidance display data, and an information distribution server that wirelessly distributes all or a part of a dataset included in the guidance display data to an on-board system. The on-board system includes a central distribution server that manages the distributed dataset, and when a train number is set, distributes the dataset to each vehicle if the central distribution server holds a dataset corresponding to the train number and within an effective period, and notifies the information distribution server of the train number to acquire a corresponding dataset and distributes the corresponding dataset to each vehicle if the central distribution server does not hold the dataset corresponding to the train number and within the effective period.Type: ApplicationFiled: March 4, 2011Publication date: September 12, 2013Applicant: Mitsubishi Electric CorporationInventors: Shigeru Kuroda, Masao Jitsu
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Publication number: 20130147148Abstract: The inner peripheral side radial direction surface of the fixing portion of the dust cover is abutted to the outer peripheral side radial direction surface of the flange portion of the ball seat, and the end portion of the fixing portion is abutted to the side surface of the outer peripheral side of the ball seat. The outer peripheral side radial direction surface of the fixing portion is pressed toward the flange portion by the radial direction surface pressing portion of the die member, and the fixing portion of the dust cover is held by the radial direction surface pressing portion of the die member and the flange portion. The pressing by the radial direction surface pressing portion is appropriately performed to withstand an injection molding pressure of the resin injection.Type: ApplicationFiled: July 4, 2011Publication date: June 13, 2013Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda
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Patent number: 8419033Abstract: A stabilizer apparatus includes: a stabilizer which has a torsion portion and arm portions extending from both end portions of the torsion portion so as to have an approximate U-shape; a bush which is provided at both the end portions of the torsion portion and is used for fixing the stabilizer to a vehicle body; and a movement stopper member which is made of resin, has a contact portion contacting the bush, and is integrally molded to the torsion portion so as to cover overall periphery of predetermined range of the torsion portion in an axial direction thereof, wherein a concavo-convex structure engaging with the movement stopper member is provided on a peripheral surface of the torsion portion. The reliability can be improved by preventing of the movement of the bush.Type: GrantFiled: July 22, 2009Date of Patent: April 16, 2013Assignee: NHK Spring Co., Ltd.Inventor: Shigeru Kuroda
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Patent number: 8382129Abstract: A stabilizer bar is intended for use in a vehicle, and a torsion part of the stabilizer bar is fixed to the vehicle body by a fixing member. A resin sheathing is provided integrally on an outer peripheral surface of the stabilizer bar. The fixing member is composed of the sheathing, a rubber bush disposed on the outer periphery of the sheathing, and a mounting fixture for mounting the rubber bush on the vehicle body side so as to cover the outer periphery of the rubber bush. The sheathing and the rubber bush are immovably assembled to each other. Thus, there may be provided a vehicle stabilizer, highly durable, easily mountable and replaceable, low-cost, and highly operable.Type: GrantFiled: May 14, 2012Date of Patent: February 26, 2013Assignees: NHK Spring Co., Ltd., NHK International CorporationInventors: Hironobu Sugiura, Shigeru Kuroda, Kiyoshi Kurimoto, Yurika Goto, Shinichi Nishizawa
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Patent number: 8376647Abstract: A ball joint, which has high reliability and reduced weight, is provided. A ball joint includes: a ball stud having a columnar stud portion and a ball portion which has a spherical side surface and a center positioned on an axis of the stud portion; a ball seat which is made of a resin and has a spherical recess portion into which the ball portion is relatively rotatably and slidably fitted; a housing which is made of a resin and holds the ball seat therein; and a support bar which is integrally formed with the housing, wherein the support bar has a bar portion which is a center portion extending along an axis of the support bar.Type: GrantFiled: April 15, 2009Date of Patent: February 19, 2013Assignee: NHK Spring Co., Ltd.Inventor: Shigeru Kuroda
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Patent number: 8372386Abstract: The present invention relates to a keratotic plug remover composition including a polymer compound having a salt-forming group, and (a) an amino-modified silicone and/or (b) a polyoxyalkylene/dimethyl polysiloxane block copolymer, and a sheet for removing keratotic plugs including a nonwoven fabric substrate impregnated with the above composition. The keratotic plug remover composition and the sheet for removing keratotic plugs according to the present invention are enhanced in keratotic plug removing effect without increasing a pain of users when peeling the sheet pack from the skin.Type: GrantFiled: July 5, 2006Date of Patent: February 12, 2013Assignee: Kao CorporationInventors: Shigeru Kuroda, Toshiya Morikawa
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Publication number: 20130033016Abstract: A ball stud has a flange that outwardly projects in a radial direction of a stud portion. The flange has a concave portion that has a curved shape from a root to an outer circumferential portion in cross section. The concave portion is concave with respect to a straight line connecting an end on the root side and an end on the outer circumferential portion side of the curved shape. A dust cover has a lip to be abutted on a sealing portion and the flange of the ball stud. The lip is formed with a side lip portion. The side lip portion has a shape corresponding to the curved shape of the concave portion of the flange so as to be abutted on the concave portion.Type: ApplicationFiled: March 17, 2011Publication date: February 7, 2013Applicant: NHK SPRING CO., LTD.Inventors: Shigeru Kuroda, Shuji Ohmura
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Patent number: 8360450Abstract: A stabilizer device includes a bar having a portion to be mounted to a vehicle body. A resin ring is integrally formed to the bar by a direct injection method, and a bush made of rubber is provided around the periphery of the resin ring. The bush is fixed to a member of the vehicle body side by a bracket. Since the contact area of the resin ring to the bar is secured by using the axial direction length of the bush, the movement strength of the bush in the axial direction can be improved even when there is size restriction. In the fixing construction of the stabilizer device, the movement of the bush to the bar can be sufficiently prevented even when the size restriction is severe.Type: GrantFiled: July 10, 2009Date of Patent: January 29, 2013Assignee: NHK Spring Co., Ltd.Inventor: Shigeru Kuroda
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Patent number: 8356825Abstract: A stabilizer device having high reliability and light weight is provided. The stabilizer device has a stabilizer consisting of a torsion part and arm parts each extending from both ends of the torsion part and having an overall shape of a square bracket, a “]” shape, a bushing for fixing the stabilizer to an automobile body arranged at both ends of the torsion part, and a resin misalignment preventing member which has a contacting part contacting with the bushing, which is arranged neighboring the bushing, and which is integrally formed with the torsion part and covering all therearound in a predetermined range of axial direction of the torsion part.Type: GrantFiled: April 13, 2009Date of Patent: January 22, 2013Assignee: NHK Spring Co., Ltd.Inventor: Shigeru Kuroda
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Publication number: 20120306136Abstract: A torsion portion extending in a vehicle width direction and having a first cross-sectional area, shoulder portions located at both ends of the torsion portion and having a second cross-sectional area larger than the first cross-sectional area and arm portions extending from the shoulder portions in a front and back direction of a vehicle, respectively and having the first cross-sectional area, so that even when a hollow member is used for weight saving, can be realized by design and manufacturing method facilitating making uniform principal stress as in a solid member.Type: ApplicationFiled: August 14, 2012Publication date: December 6, 2012Applicant: NHK SPRING CO., LTD.Inventors: Shigeru KURODA, Shuji Ohmura
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Publication number: 20120301213Abstract: A ball sheet made of a resin material having a recessed spherical surface and an external peripheral surface, a stud ball having a spherical head portion that engages with the recessed spherical surface in a rotatable manner, and a housing that accommodates the ball sheet which is inserted from an opening portion toward a bottom surface, and comprises a ball sheet insertion unit where an inner peripheral surface is engaged with an external peripheral surface of the ball sheet are provided, wherein an external diameter of the external peripheral surface increases from the bottom surface toward the opening portion, and an internal diameter of the inner peripheral surface increases from the bottom surface toward the opening portion.Type: ApplicationFiled: August 9, 2012Publication date: November 29, 2012Applicant: NHK SPRING CO., LTD.Inventors: Shigeru Kuroda, Shuji Ohmura
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Publication number: 20120223499Abstract: A stabilizer bar is intended for use in a vehicle, and a torsion part of the stabilizer bar is fixed to the vehicle body by a fixing member. A resin sheathing is provided integrally on an outer peripheral surface of the stabilizer bar. The fixing member is composed of the sheathing, a rubber bush disposed on the outer periphery of the sheathing, and a mounting fixture for mounting the rubber bush on the vehicle body side so as to cover the outer periphery of the rubber bush. The sheathing and the rubber bush are immovably assembled to each other. Thus, there may be provided a vehicle stabilizer, highly durable, easily mountable and replaceable, low-cost, and highly operable.Type: ApplicationFiled: May 14, 2012Publication date: September 6, 2012Applicants: NHK INTERNATIONAL CORPORATION, NHK SPRING CO., LTD.Inventors: Hironobu Sugiura, Shigeru Kuroda, Kiyoshi Kurimoto, Yurika Goto, Shinichi Nishizawa
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Publication number: 20120144421Abstract: An in-train information distribution and display system and enables dynamic selection and display of contents having higher advertising effectiveness according to train information. A first program listing having time slots set therein and a plurality of advertising content data associated with each of the time slots of the first program listing, as candidates for program material, are prepared in a ground content-distribution server. An on-board central-distribution server determines the program material by selecting one of the plural advertising content data associated with each of the time slots of the first program listing, based on train information and passenger information obtained from a train-information central unit. A program listing having determined program materials constitutes a second program listing.Type: ApplicationFiled: September 13, 2010Publication date: June 7, 2012Applicant: Mitsubishi Electric CorporationInventors: Shigeru Kuroda, Kenichi Ishiguri, Masao Oki
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Patent number: 8142097Abstract: A ball joint comprises a ball stud having a stud portion at a middle thereof, a ball portion and a screw portion at opposite sides of the stud portion, and a seat surface portion facing the screw portion between the respective portions, and a bearing member into which the ball portion is slidably fitted so as to universally pivotably-support the ball stud, so that the stud portion is inserted through a mounting member, and a nut is screwed with the screw portion projected from the mounting member, and the seat surface portion abuts and is fastened to the mounting member by fastening the nut to the mounting member. The seat surface portion abutting the mounting member is subjected to a co-rotation preventing process which prevents the ball stud from co-rotating along with the nut when the nut is fastened.Type: GrantFiled: September 9, 2002Date of Patent: March 27, 2012Assignee: NHK Spring Co., Ltd.Inventors: Shuji Ohmura, Shigeru Kuroda, Masanao Ueda
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Publication number: 20110169242Abstract: A stabilizer apparatus includes: a stabilizer which has a torsion portion and arm portions extending from both end portions of the torsion portion so as to have an approximate U-shape; a bush which is provided at both the end portions of the torsion portion and is used for fixing the stabilizer to a vehicle body; and a movement stopper member which is made of resin, has a contact portion contacting the bush, and is integrally molded to the torsion portion so as to cover overall periphery of predetermined range of the torsion portion in an axial direction thereof, wherein a concavo-convex structure engaging with the movement stopper member is provided on a peripheral surface of the torsion portion. The reliability can be improved by preventing of the movement of the bush.Type: ApplicationFiled: July 22, 2009Publication date: July 14, 2011Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda
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Publication number: 20110150563Abstract: A ball joint includes a ball seat, and the ball seat includes a thermal caulking portion for fixing a ball seat to a housing. The ball seat includes a concave portion having an overhang portion for withstanding a pullout load so as to prevent a ball portion from coming off from the concave portion. The concave portion of the ball seat is formed of polyoxymethylene, and the overhang portion and the thermal caulking portion are formed of a resin, in which glass fiber is added to the polyoxymethylene, so as to be strengthened. Consequently, the pullout load can be increased, and the weight of the ball joint is maintained and the production cost is not greatly increased.Type: ApplicationFiled: August 25, 2009Publication date: June 23, 2011Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda
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Publication number: 20110115182Abstract: A stabilizer device includes a bar having a portion to be mounted to a vehicle body. A resin ring is integrally formed to the bar by a direct injection method, and a bush made of rubber is provided around the periphery of the resin ring. The bush is fixed to a member of the vehicle body side by a bracket. Since the contact area of the resin ring to the bar is secured by using the axial direction length of the bush, the movement strength of the bush in the axial direction can be improved even when there is size restriction. In the fixing construction of the stabilizer device, the movement of the bush to the bar can be sufficiently prevented even when the size restriction is severe.Type: ApplicationFiled: July 10, 2009Publication date: May 19, 2011Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda
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Publication number: 20110033226Abstract: A ball joint, which has high reliability and reduced weight, is provided. A ball joint includes: a ball stud having a columnar stud portion and a ball portion which has a spherical side surface and a center positioned on an axis of the stud portion; a ball seat which is made of a resin and has a spherical recess portion into which the ball portion is relatively rotatably and slidably fitted; a housing which is made of a resin and holds the ball seat therein; and a support bar which is integrally formed with the housing, wherein the support bar has a bar portion which is a center portion extending along an axis of the support bar.Type: ApplicationFiled: April 15, 2009Publication date: February 10, 2011Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda
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Publication number: 20110025013Abstract: A stabilizer device having high reliability and light weight is provided. The stabilizer device has a stabilizer consisting of a torsion part and arm parts each extending from both ends of the torsion part and having an overall shape of a square bracket, a “]” shape, a bushing for fixing the stabilizer to an automobile body arranged at both ends of the torsion part, and a resin misalignment preventing member which has a contacting part contacting with the bushing, which is arranged neighboring the bushing, and which is integrally formed with the torsion part and covering all therearound in a predetermined range of axial direction of the torsion part.Type: ApplicationFiled: April 13, 2009Publication date: February 3, 2011Applicant: NHK SPRING CO., LTD.Inventor: Shigeru Kuroda