Patents by Inventor Yoji Sato
Yoji Sato 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: 9957610Abstract: A high-frequency wave supplying structure includes a center conductor that extends in a specified direction, an outer conductor that is coaxial with the center conductor and grounded, and a cylindrical insulating member that is provided between the center conductor and the outer conductor. The distal end of the center conductor is a support portion that supports a workpiece W. A shield member is provided outward of the outer conductor to be coaxial with the outer conductor and the center conductor. The distal end of the shield member is located closer to the support portion in the specified direction than the distal end of the outer conductor. The insulating member includes a protruding portion that protrudes toward the support portion from an opening of the outer conductor. The protruding portion is opposed to the distal end of the outer conductor in the specified direction.Type: GrantFiled: July 12, 2017Date of Patent: May 1, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazutaka Tachibana, Takayasu Sato, Yoji Sato, Hiromichi Nakata, Daiki Tsuboi
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Patent number: 9956595Abstract: An ultrasonic cleaner is provided. The ultrasonic cleaner includes: a first ultrasonic vibrator configured to generate a first ultrasonic wave; a first oscillator configured to drive the first ultrasonic vibrator; a wash tank configured to store a detergent solution; and an attenuation mechanism configured to damp vibration of the wash tank. The wash tank includes a parabolic surface which is a recessed surface facing a vibration surface of the first ultrasonic vibrator, and is configured to reflect the first ultrasonic wave to a focal position where an object to be cleaned is placed. The vibration of the wash tank is generated by the first ultrasonic wave impinging on the wash tank.Type: GrantFiled: July 26, 2016Date of Patent: May 1, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takayasu Sato, Yoji Sato
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Publication number: 20180044777Abstract: A film forming apparatus includes a cylindrical evaporation source, an electrode, and a gas passage. The evaporation source is composed of metal and includes an internal space for accommodating a workplace. The electrode is arranged in the internal space of the evaporation source, The gas passage supplies gas to the internal space of the evaporation source from a space outside the evaporation source. The gas passage includes an end portion located in the internal space. The end portion of the gas passage includes a first section composed of a first material and a second section composed of a second material. The first material and the second material have different thermal expansion coefficients.Type: ApplicationFiled: July 19, 2017Publication date: February 15, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shota MATSUDA, Hiromichi NAKATA, Takayasu SATO, Yoji SATO, Kazutaka TACHIBANA, Daiki TSUBOI
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Publication number: 20180030594Abstract: A high-frequency wave supplying structure includes a center conductor that extends in a specified direction, an outer conductor that is coaxial with the center conductor and grounded, and a cylindrical insulating member that is provided between the center conductor and the outer conductor. The distal end of the center conductor is a support portion that supports a workpiece W. A shield member is provided outward of the outer conductor to be coaxial with the outer conductor and the center conductor. The distal end of the shield member is located closer to the support portion in the specified direction than the distal end of the outer conductor. The insulating member includes a protruding portion that protrudes toward the support portion from an opening of the outer conductor. The protruding portion is opposed to the distal end of the outer conductor in the specified direction.Type: ApplicationFiled: July 12, 2017Publication date: February 1, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazutaka TACHIBANA, Takayasu SATO, Yoji SATO, Hiromichi NAKATA, Daiki TSUBOI
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Publication number: 20180010240Abstract: An arc discharge generation device energizes an evaporation source with the power supply device so that the evaporation source functions as a negative electrode to have a striker chip contact the evaporation source and then separate the striker chip from the evaporation source to generate an arc discharge in the chamber. When extinguishing the arc discharge generated in the chamber, the arc discharge generation device has the striker chip contact the evaporation source and de-energizes the evaporation source with the power supply device in a situation in which the striker chip is in contact with the evaporation source.Type: ApplicationFiled: June 28, 2017Publication date: January 11, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takayasu SATO, Yoji SATO, Kazutaka TACHIBANA
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Publication number: 20170253961Abstract: A PCVD apparatus includes a waveguide member which supports the workpiece with a portion of the waveguide member positioned in a reactor and causes microwaves output from a high-frequency output device to propagate to the workpiece. In a process of gradually increasing an intensity of the microwaves propagating to the workpiece through the waveguide member from “0”, the intensity of the microwaves output from the high-frequency output device when step-up of a bias current of the workpiece occurs is referred to as a first intensity, and in a process of gradually increasing the intensity of the microwaves from the first intensity, the intensity of the microwaves when step-up of the bias current occurs again is referred to as a second intensity. During film formation, the microwaves having an intensity of higher than the first intensity and lower than the second intensity are output from the high-frequency output device.Type: ApplicationFiled: February 24, 2017Publication date: September 7, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazutaka TACHIBANA, Takayasu SATO, Yoji SATO, Hiromichi NAKATA, Kazuyoshi MANABE, Seiji OKAMURA, Izuru YAMAMOTO
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Publication number: 20170229292Abstract: A plasma chemical vapor deposition device includes an adhesion suppressing sheet suppressing a processing gas from adhering to an inner wall of a reactor. The adhesion suppressing sheet is arranged between a placement position of a workpiece and the inner wall of the reactor. The adhesion suppressing sheet is a fabric that includes first fiber bundles and second fiber bundles that extend in directions different from each other. In the first fiber bundles, front side portions and rear side portions are alternately arranged in a first direction. In the second fiber bundles, front side portions and rear side portions are alternately arranged in a second direction.Type: ApplicationFiled: February 1, 2017Publication date: August 10, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoji SATO, Takayasu SATO, Kazutaka TACHIBANA, Hiromichi NAKATA
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Publication number: 20170166829Abstract: A grease composition containing base oil, a thickener, and an additive, wherein said additive contains at least one kind selected from among a phosphite ester shown by a chemical formula (1) or a phosphite ester shown by a chemical formula (2); a content of said phosphite ester is 0.Type: ApplicationFiled: February 27, 2017Publication date: June 15, 2017Inventors: Motohiro ITO, Yoji Sato, Hidenobu Mikami
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Publication number: 20170036251Abstract: An ultrasonic cleaner is provided. The ultrasonic cleaner includes: a first ultrasonic vibrator configured to generate a first ultrasonic wave; a first oscillator configured to drive the first ultrasonic vibrator; a wash tank configured to store a detergent solution; and an attenuation mechanism configured to damp vibration of the wash tank. The wash tank includes a parabolic surface which is a recessed surface facing a vibration surface of the first ultrasonic vibrator, and is configured to reflect the first ultrasonic wave to a focal position where an object to be cleaned is placed. The vibration of the wash tank is generated by the first ultrasonic wave impinging on the wash tank.Type: ApplicationFiled: July 26, 2016Publication date: February 9, 2017Inventors: Takayasu Sato, Yoji Sato
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Publication number: 20160376707Abstract: A plasma chemical vapor deposition device includes a chamber, a first conductor having an elongated shape, a second conductor having a tubular shape, a high-frequency output device, and a direct-current power supply. A first connecting portion of the first conductor with the high-frequency output device and a second connecting portion of the first conductor with the direct-current power supply are both placed outside the chamber. A distance from one end of the first conductor to the first connecting portion is shorter than a distance from the one end of the first conductor to the second connecting portion. An impedance change portion is provided between the first connecting portion and the second connecting portion in the first conductor, the impedance change portion having an impedance different from an impedance between the one end of the first conductor and the first connecting portion.Type: ApplicationFiled: June 21, 2016Publication date: December 29, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoji SATO, Takayasu SATO, Hiromichi NAKATA, Kazutaka TACHIBANA, Osamu ARIYADA, Yuji TAKANO, Ryo TSURUMOTO
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Publication number: 20160348723Abstract: It is an object of the present invention to provide a sliding member, a rolling bearing, and a cage each having a sliding surface excellent in a sliding property thereof even in the presence of lubricating oil and under conditions of a high sliding speed and a high contact pressure. The sliding member is used under an oil lubrication environment and has a sliding layer formed on an iron-based metal material. The sliding layer consists of a foundation layer including heat-resistant resin and a first fluororesin layer both formed on a surface of the iron-based metal material. A second fluororesin layer is formed on a surface of the foundation layer. After the foundation layer and the second fluororesin layer are calcined, the second fluororesin layer is irradiated with radiation rays. The heat-resistant resin does not thermally decompose when the foundation layer and the second fluororesin layer are calcined.Type: ApplicationFiled: February 3, 2015Publication date: December 1, 2016Inventors: Masami TADA, Yoji SATO
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Patent number: 9416821Abstract: A cage for a rolling bearing having a film, formed on a surface thereof, which wears little over a long period of time from an initial stage of sliding contact between the film and rolling elements as well as other members and does not peel off the surface of a base material of the cage or dissolve in lubricating oil containing a sulfur-based additive and a rolling bearing having the cage. A cage (2) retains needle rollers (3) which are rolling elements of a needle rolling bearing (1). Of an entire outer surface of the cage (2), a tin alloy film consisting of tin and a metal other than the tin is formed on at least a sliding-contact surface of the cage (2) to be subjected to sliding contact with the needle rollers (3) and a sliding-contact surface thereof to be subjected to sliding contact with other members.Type: GrantFiled: November 7, 2013Date of Patent: August 16, 2016Assignee: NTN CORPORATIONInventors: Yoji Sato, Masami Tada, Hidenobu Mikami
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Publication number: 20160201901Abstract: [Problem] To enable to heat and atomize liquefied gas even at low temperatures by increasing a flow path length and a transit time to be heated by a heater, and by spending time and efficiently heat the liquefied gas. [Solution] A device housing having a hollow portion including a gas intake pipe projectingly provided to an outer periphery of an instrument body such that liquefied gas is taken in from an outer end, having the heater built therein and attached to the instrument body. In the hollow portion of the device housing, a heating wall formed by a bulge extending from the outer end side to the inner end side in the axial direction of the intake pipe and the heater for heating are internally provided. Between the heating wall and the gas intake pipe, and between the heating wall and the inner wall of the housing, inner and outer gas flow paths are formed.Type: ApplicationFiled: June 18, 2014Publication date: July 14, 2016Applicant: Nippon Thermostat Co., Ltd.Inventors: Yoji Sato, Kazuhito Shimomura
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Patent number: 9383714Abstract: A cleaning apparatus for an image carrier with toner on the image carrier, includes a cleaning member that is in contact with the image carrier and configured to remove toner on the image carrier as the image carrier moves in a conveying direction, and an air blower configured to generate an air flow in a region of the image carrier that is moving towards the cleaning member.Type: GrantFiled: April 29, 2015Date of Patent: July 5, 2016Assignees: Kabushiki Kaisha Toshiba, Toshiba TEC Kabushiki KaishaInventor: Yoji Sato
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Patent number: 9341978Abstract: An image forming apparatus includes a light scan head having a plurality of LED elements disposed along a main-scanning direction of a photoreceptor drum and configured to expose the photoreceptor drum with light, a developing device disposed to face the photoreceptor drum in the main-scanning direction and including a development roller configured to supply a developer to the photoreceptor drum, and a non-uniform density correction unit configured to control an intensity of light emitted from the plurality of LED elements of the light scan head based on correction data that corresponds to a tendency pattern of an expected non-uniform image density so as to correct the non-uniform density of an image that is to be formed on a recording medium.Type: GrantFiled: January 16, 2015Date of Patent: May 17, 2016Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Yoji Sato
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Publication number: 20160013027Abstract: A film forming device includes a cylindrical evaporation source, closing members, and an auxiliary electrode. The cylindrical evaporation source is configured to accommodate a workpiece in an internal space of the cylindrical evaporation source. The cylindrical evaporation source is configured to discharge ions from the cylindrical evaporation source by arc discharge such that the ions are deposited on a surface of the workpiece. The closing members close the internal space. The auxiliary electrode is disposed along an inner wall surface of the cylindrical evaporation source. The auxiliary electrode is configured to be grounded or to be applied with a positive voltage such that electrons of the internal space flow to the auxiliary electrode.Type: ApplicationFiled: July 7, 2015Publication date: January 14, 2016Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takayasu SATO, Yoji Sato, Kazutaka Tachibana
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Publication number: 20150299611Abstract: A grease composition containing base oil, a thickener, and an additive, wherein said additive contains at least one kind selected from among a phosphite ester shown by a chemical formula (1) or a phosphite ester shown by a chemical formula (2); a content of said phosphite ester is 0.Type: ApplicationFiled: April 26, 2015Publication date: October 22, 2015Inventors: Motohiro ITO, Yoji Sato, Hidenobu Mikami
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Publication number: 20150292558Abstract: It is an object of the present invention to provide a cage for a rolling bearing having a film, formed on a surface thereof, which wears little over a long period of time from an initial stage of sliding contact between the film and rolling elements as well as other members and does not peel off the surface of a base material of the cage or dissolve in lubricating oil containing a sulfur-based additive and a rolling bearing having the cage. A cage (2) retains needle rollers (3) which are rolling elements of a needle rolling bearing (1). Of an entire outer surface of the cage (2), a tin alloy film consisting of tin and a metal other than the tin is formed on at least a sliding-contact surface of the cage (2) to be subjected to sliding contact with the needle rollers (3) and a sliding-contact surface thereof to be subjected to sliding contact with other members. The metal other than the tin has a lower surface free energy than iron.Type: ApplicationFiled: November 7, 2013Publication date: October 15, 2015Inventors: Yoji Sato, Masami Tada, Hidenobu Mikami
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Publication number: 20150205223Abstract: An image forming apparatus includes a light scan head having a plurality of LED elements disposed along a main-scanning direction of a photoreceptor drum and configured to expose the photoreceptor drum with light, a developing device disposed to face the photoreceptor drum in the main-scanning direction and including a development roller configured to supply a developer to the photoreceptor drum, and a non-uniform density correction unit configured to control an intensity of light emitted from the plurality of LED elements of the light scan head based on correction data that corresponds to a tendency pattern of an expected non-uniform image density so as to correct the non-uniform density of an image that is to be formed on a recording medium.Type: ApplicationFiled: January 16, 2015Publication date: July 23, 2015Inventor: Yoji SATO
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Patent number: 9074630Abstract: A rolling bearing which is capable of preventing the rolling elements from dropping out from between the inner and the outer rings even when the separators have been worn to an advanced stage. A rolling bearing includes: a plurality of rolling elements arranged between an inner and an outer rings; and a plurality of prismatic separators disposed in a circumferential direction between the rolling elements. The separator includes integrally therewith a metal band on at least one of its outer surfaces including those which face the inner or the outer ring, or at least one of its axial side surfaces, excluding however, surfaces which face the circumferential direction and make contact with the rolling elements. The metal band has a narrower width than a width of the separator in the circumferential direction, and prevents wear of the separator from advancing beyond a certain extent.Type: GrantFiled: July 4, 2012Date of Patent: July 7, 2015Assignee: NTN CORPORATIONInventors: Miki Arihana, Naoaki Tsuji, Yoji Sato, Hideyuki Tsutsui, Kouya Oohira