Patents by Inventor Shigeki Satou
Shigeki Satou 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: 20070172581Abstract: It is an object of the present invention to provide a method for manufacturing a multi-layered unit for a multi-layered ceramic electronic component which can reliably prevent short circuit failure from occurring in a multi-layered ceramic electronic component and form an electrode layer in a desired manner.Type: ApplicationFiled: February 23, 2005Publication date: July 26, 2007Inventors: Shigeki Satou, Takeshi Nomura
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Publication number: 20070149668Abstract: It is an object of the present invention to provide a dielectric paste for a spacer layer of a multi-layered ceramic electronic component which does not dissolve a binder contained in a layer adjacent to the spacer layer of the multi-layered ceramic electronic component and can reliably prevent defects from being generated in a multi-layered ceramic electronic component. A dielectric paste for forming a spacer layer according to the present invention contains a butyral system resin as a binder and at least one solvent selected from the group consisting of dihydroterpinyl oxyethanol, terpinyl oxyethanol, d-dihydrocarveol, I-citronellol, I-perillylalcohol and acetoxy-methoxyethoxy-cyclohexanol acetate as a solvent.Type: ApplicationFiled: December 14, 2004Publication date: June 28, 2007Applicant: TDK CorporationInventors: Shigeki Satou, Takeshi Nomura
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Publication number: 20070149666Abstract: It is an object of the present invention to provide a dielectric paste adapted for forming a spacer layer of a multi-layered ceramic electronic component which does not dissolve a binder contained in a layer adjacent to the spacer layer of the multi-layered ceramic electronic component and can reliably prevent defects from being generated in a multi-layered ceramic electronic component. A dielectric paste adapted for forming a spacer layer according to the present invention contains an acrylic system resin as a binder and at least one solvent selected from a group consisting of limonene, ?-terpinyl acetate, I-dihydrocarvyl acetate, I-menthone, I-perillyl acetate, I-carvyl acetate, and d-dihydrocarvyl acetate as a solvent.Type: ApplicationFiled: December 14, 2004Publication date: June 28, 2007Applicant: TDK CorporationInventors: Shigeki Satou, Takeshi Nomura
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Patent number: 7234215Abstract: A method of stacking a green sheet, where, in rolling up a support sheet on which a multilayer unit including a green sheet and/or electrode layer is formed, the multilayer unit can be easily unrolled without adhering to the back surface of the support sheet, and in stacking the multilayer unit, the support sheet can be easily separated from the multilayer unit. On the surface 20a of the support sheet 20 is stacked a multilayer unit U1 composed of an electrode layer 12a and/or green sheet 10a to form the support sheet with the laminated unit. Then, the support sheet 20 with the laminated unit is rolled up to form a rolled body R. The rolled body R is unrolled, the support sheet 20 with the multilayer unit is placed on a layer on which the support sheet is to be placed, the support sheet 20 is separated from the laminated unit U1, and the laminated unit U1 is stacked.Type: GrantFiled: June 17, 2004Date of Patent: June 26, 2007Assignee: TDK CorporationInventors: Syogo Murosawa, Shigeki Satou
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Publication number: 20070108419Abstract: It is an object of the present invention to provide a method for manufacturing a multi-layered unit for a multi-layered ceramic electronic component which can reliably prevent short circuit failure from occurring in a multi-layered ceramic electronic component. According to the present invention, a multi-layered unit for a multi-layered ceramic electronic component is fabricated by printing a conductive paste containing an acrylic system resin as a binder and at least one solvent selected from a group consisting of limonene, ?-terpinyl acetate, I-dihydrocarvyl acetate, I-menthone, I-perylil acetate, I-carvyl acetate, and d-dihydrocarvyl acetate as a solvent on a ceramic green sheet containing a butyral system resin as a binder in a predetermined pattern, thereby forming an electrode layer.Type: ApplicationFiled: November 24, 2004Publication date: May 17, 2007Applicant: TDK CorporationInventors: Shigeki Satou, Takeshi Nomura
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Publication number: 20070096061Abstract: It is an object of the present invention to provide a method for manufacturing a multi-layered unit for a multi-layered ceramic electronic component which can reliably prevent short circuit failure from occurring in a multi-layered ceramic electronic component. According to the present invention, a multi-layered unit for a multi-layered ceramic electronic component is fabricated by printing a conductive paste containing a butyral system resin as a binder and at least one solvent selected from a group consisting of dihydroterpinyl oxyethanol, terpinyl oxyethanol, d-dihydrocarveol, I-citronellol, I-perillylalcohol and acetoxy-methoxyethoxy-cyclohexanol acetate as a solvent on a ceramic green sheet containing an acrylic system resin as a binder in a predetermined pattern, thereby forming an electrode layer.Type: ApplicationFiled: November 24, 2004Publication date: May 3, 2007Applicant: TDK CORPORATIONInventors: Shigeki Satou, Takeshi Nomura
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Publication number: 20070039680Abstract: A coating material, green sheet and the method capable of producing a green sheet without a pin hole, having enough strength to be peeled from a support body and excellent surface smoothness even when the green sheet is extremely thin, and being suitable to make an electronic device thin and multilayered, are provided. The present invention provides a green sheet coating material comprising a ceramic powder, a binder resin including a butyral based resin as a main component thereof, and a solvent. The solvent includes a first solvent having an SP value as a solubility parameter of 10 or larger and a second solvent having the SP value of 8 or larger but smaller than 10. The second solvent is included by 20 to 60 wt % and, preferably, 25 to 60 wt % with respect to 100 wt % of the solvent as the entire weight.Type: ApplicationFiled: August 26, 2004Publication date: February 22, 2007Inventors: Hisashi Kobayashi, Shigeki Satou
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Publication number: 20070034841Abstract: It is an object of the present invention to provide a method for preparing a conductive paste for an inner electrode of a multi-layered ceramic electronic component that enables preparation of a conductive paste in which a conductive material is dispersed with a high dispersibility while controlling the concentration of the conductive material in a desired manner. The method for preparing a conductive paste for an inner electrode of a multi-layered ceramic electronic component includes a kneading step of kneading a conductive powder, a binder and a solvent to form a clay-like mixture and a slurrying step of adding the same solvent as that used at the kneading step to the mixture obtained by the kneading step to lower the viscosity of the mixture, thereby slurrying the mixture.Type: ApplicationFiled: September 28, 2004Publication date: February 15, 2007Applicant: TDK CorporationInventors: Shigeki Satou, Tomoko Nakamura
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Publication number: 20070007700Abstract: It is an object of the present invention to provide a method for preparing a dielectric paste for a multi-layered ceramic electronic component that enables preparation of a dielectric paste in which a dielectric material is dispersed with a high dispersibility while controlling the concentration of the dielectric material in a desired manner. The method for preparing a dielectric paste for a multi-layered ceramic electronic component includes a kneading step of kneading a dielectric powder, a binder and a solvent to form a clay-like mixture and a slurrying step of adding the same solvent as that used at the kneading step to the mixture obtained by the kneading step to lower the viscosity of the mixture, thereby slurrying the mixture.Type: ApplicationFiled: September 28, 2004Publication date: January 11, 2007Applicant: TDK CorporationInventors: Shigeki Satou, Akira Yamaguchi
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Publication number: 20060280933Abstract: A manufacturing method of ceramic slurry being used for producing a green sheet which can have a smooth surface, exhibits a satisfactory sheet strength, and is excellent in workability such as releasing, a green sheet produced by the use of the slurry produced by the method, and a multilayer ceramic device produced by the use of the green sheet is provided. According to the present invention, a manufacturing method of ceramic slurry at least comprising a ceramic powder and a binder resin solution, wherein a high-pressure dispersing treatment of the ceramic powder and a lacquer for preliminary addition, which is a part of the binder resin solution, is carried out so that a shearing rate is set to 1×107 to 1×108 [1/sec] to prepare a preliminary slurry, and at least a lacquer for post-addition, which a high-pressure dispersing treatment is not applied, is added to the preliminary slurry which a high-pressure dispersing treatment is applied.Type: ApplicationFiled: August 31, 2004Publication date: December 14, 2006Applicant: TDK CorporationInventors: Hisashi Kobayashi, Shigeki Satou
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Publication number: 20060191443Abstract: A production method of an electronic device comprising the steps of forming a stacked body by stacking green sheets 10a and electrode layers 12a having a predetermined pattern and firing the stacked body. Before forming the stacked body, a blank pattern layer 24 having substantially the same thickness as that of the electrode layer is formed on a space portion of the electrode layer having a predetermined pattern. The electrode level difference absorbing print paste for forming the blank pattern layer 24 includes at least ceramic powder and a binder resin, and a polymerization degree of the binder resin included in the electrode level difference absorbing print paste is made equal to or more than that of a binder resin included in slurry for forming the green sheet.Type: ApplicationFiled: March 25, 2004Publication date: August 31, 2006Applicant: TDK CORPORATIONInventors: Akira Yamaguchi, Shigeki Satou, Yasumichi Tokuoka
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Publication number: 20060158826Abstract: A production method of a multilayer ceramic device is provided, by which, for example, a multilayer ceramic capacitor having a large capacity, wherein the interlayer thickness is made as thin as about 2.5 ?m or thinner, can be produced at a high production yield without causing unsticking between layers and internal defects. In the present invention, when assuming that a first weight ratio (wt %) of the first organic binder component with respect to a first inorganic dielectric colorant powder in said green sheet slurry for forming a green sheet 10a is (A), and a second weight ratio (wt %) of the second organic binder component with respect to said second inorganic dielectric colorant powder in said electrode level difference absorbing dielectric paste for forming a dielectric blank pattern layer 24 is (B), the second weight ratio (B) is larger than the first weight ratio (A).Type: ApplicationFiled: July 5, 2004Publication date: July 20, 2006Applicant: TDK CorporationInventors: Yasumichi Tokuoka, Shigeki Satou, Tatsumori Satou
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Publication number: 20060130320Abstract: A method of stacking a green sheet, where, in rolling up a support sheet on which a multilayer unit including a green sheet and/or electrode layer is formed, the multilayer unit can be easily unrolled without adhering to the back surface of the support sheet, and in stacking the multilayer unit, the support sheet can be easily separated from the multilayer unit. On the surface 20a of the support sheet 20 is stacked a multilayer unit U1 composed of an electrode layer 12a and/or green sheet 10a to form the support sheet with the laminated unit. Then, the support sheet 20 with the laminated unit is rolled up to form a rolled body R. The rolled body R is unrolled, the support sheet 20 with the multilayer unit is placed on a layer on which the support sheet is to be placed, the support sheet 20 is separated from the laminated unit U1, and the laminated unit U1 is stacked.Type: ApplicationFiled: June 17, 2004Publication date: June 22, 2006Applicant: TDK CORPORATIONInventors: Syogo Murosawa, Shigeki Satou
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Publication number: 20060096693Abstract: A release layer 22 is formed on a surface of a first supporting sheet 20. Next, an electrode layer 12a is formed on a surface of the release layer 22. When the electrode layer 12a is pressed against a surface of a green sheet 10a to bond the electrode layer 12a with the green sheet 10a, an adhesive layer 28 is formed by a transfer method on a surface of the electrode layer 12a or a surface of the green sheet 10a. It becomes possible to easily transfer a dry type electrode layer to the surface of the green sheet with high accuracy without breaking or deforming the green sheet, moreover, components of the adhesive layer do not soak in the electrode layer or green sheet. Also, the supporting sheet is extremely easily released, and a production cost of a multilayer ceramic capacitor is reduced.Type: ApplicationFiled: December 26, 2003Publication date: May 11, 2006Applicant: TDK CORPORATIONInventors: Shogo Murosawa, Shigeki Satou, Takeshi Nomura
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Publication number: 20060044731Abstract: At the time of pressing an electrode layer 12a against a surface of a green sheet 10a having a thickness of 3 ?m or thinner to bond the electrode layer 12a with the surface of the green sheet 10a, an adhesive layer 28 having a thickness of 0.02 to 0.3 ?m is formed on a surface of the electrode layer 12a or the surface of the green sheet 10a. It is possible to easily transfer a dry type electrode layer to the surface of the green sheet with high accuracy without breaking or deforming the green sheet.Type: ApplicationFiled: December 26, 2003Publication date: March 2, 2006Applicant: TDK CORPORATIONInventors: Masahiro Karatsu, Shigeki Satou, Takeshi Nomura
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Patent number: 6778890Abstract: A method for lane-keeping control of a lane-keeping support system provides a current command indicative of steering torque assist needed to steer a vehicle in following a target line between lane markings on a roadway during driving in lane-keeping control (LKC) mode. A map has two sets of limit data against a range of values of lateral acceleration to which the vehicle is subject, between which sets of limit data there is a range of values of the command during various phases of steering the vehicle to turn in the LKC mode. In order to compensate for undesired effect caused by any deviation of the range of values of the current command due to the presence of continuous disturbance, the two sets of limit data are corrected. To determine driver steering intervention, the instantaneous value of the current command is compared to two limit values established out of the corrected two sets of limit data.Type: GrantFiled: September 13, 2002Date of Patent: August 17, 2004Assignee: Nissan Motor Co., Ltd.Inventors: Masayasu Shimakage, Hiroshi Kawazoe, On Sadano, Shigeki Satou
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Publication number: 20030078712Abstract: A method for lane-keeping control of a lane-keeping support system provides a current command indicative of steering torque assist needed to steer a vehicle in following a target line between lane markings on a roadway during driving in lane-keeping control (LKC) mode. A map has two sets of limit data against a range of values of lateral acceleration to which the vehicle is subject, between which sets of limit data there is a range of values of the command during various phases of steering the vehicle to turn in the LKC mode. In order to compensate for undesired effect caused by any deviation of the range of values of the current command due to the presence of continuous disturbance, the two sets of limit data are corrected. To determine driver steering intervention, the instantaneous value of the current command is compared to two limit values established out of the corrected two sets of limit data.Type: ApplicationFiled: September 13, 2002Publication date: April 24, 2003Inventors: Masayasu Shimakage, Hiroshi Kawazoe, On Sadano, Shigeki Satou
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Patent number: 6250614Abstract: A disclosed vibration insulating mount is promptly disposed between a vibrating body and a mounting body. The mount comprises a fluid chamber filled with a fluid, an elastic support partly defining the fluid chamber and mounting the vibrating body, a movable member partly defining the fluid chamber and capable of being displaced so as to change a volume of the fluid chamber, a supporting member supporting the movable member, and an actuator opposed to the movable member and generating displacing force to displace the movable member. Here, thickness of an outer portion of the movable member is thinner than that of an inner portion of the movable member.Type: GrantFiled: March 5, 1999Date of Patent: June 26, 2001Assignee: Nissan Motor Co., Ltd.Inventors: Yousuke Akatsu, Shigeki Satou, Takeshi Kimura, Kazushige Aoki
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Patent number: 6234463Abstract: A disclosed vibration insulating device, which is interposed between a vibrating body and a mounting body, includes a fluid chamber fluid filled with fluid, an elastic support partly defining the fluid chamber, a movable member partly defining the fluid chamber, a supporting member supporting the movable member, an actuator opposed to the movable member, the actuator that generates displacement force to displace the movable member, and a gap holding member disposed between the supporting member and the actuator. The gap holding member maintains a gap between the actuator and the movable member. Also, according to a disclosed assembly method of the vibration insulating device, the movable member is supported so as to oppose the actuator by using the supporting member and the gap holding member such that it is capable of being displaced with respect to the actuator. Here, in the method, the gap holding member is positioned between the movable member and the actuator.Type: GrantFiled: February 19, 1999Date of Patent: May 22, 2001Assignee: Nissan Motor Co., Ltd.Inventors: Yousuke Akatsu, Shigeki Satou, Takeshi Kimura, Kazushige Aoki
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Patent number: 5265259Abstract: A bit sequence reversing device for reversing a sequence of data having a plurality of blocks, each block having a predetermined number of bits. The bit sequence reversing device includes a block reversing unit for reversing a sequence of at least two of the blocks; and a plurality of bit reversing units, each corresponding to one of the blocks, each of the bit reversing units reversing a sequence of the bits in the corresponding block. The block reversing unit includes a barrel shift unit.Type: GrantFiled: July 3, 1990Date of Patent: November 23, 1993Assignee: Fujitsu LimitedInventors: Shigeki Satou, Taizo Sato