Patents by Inventor Tsuyoshi Ueno
Tsuyoshi Ueno 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: 20190211883Abstract: Provided is a method of manufacturing an outer joint member of a constant velocity universal joint, which is constructed by forming a cup section having track grooves, and a shaft section, and by welding a cup member and a shaft member, the method including: forming the cup member and the shaft member of medium carbon steel; preparing a cup member having a cylindrical portion and a bottom portion integrally formed by forging, and a joining end surface in a machining step; preparing a shaft member having a joining end surface formed in a machining step; bringing the joining end surface of the cup member and the joining end surface of the shaft member into abutment against each other; welding the cup member and the shaft member by radiating a beam; and performing, after the welding, an ultrasonic flaw detection-inspection step.Type: ApplicationFiled: March 12, 2019Publication date: July 11, 2019Inventors: Masafumi OSUGI, Tsuyoshi UENO, Shintaro SUZUKI, Hiromi NAGAI, Tatsuro SUGIYAMA
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Patent number: 10274019Abstract: Provided is a method of manufacturing an outer joint member of a constant velocity universal joint, which is constructed by forming a cup section having track grooves, and a shaft section, and by welding a cup member and a shaft member, the method including: forming the cup member and the shaft member of medium carbon steel; preparing a cup member having a cylindrical portion and a bottom portion integrally formed by forging, and a joining end surface in a machining step; preparing a shaft member having a joining end surface formed in a machining step; bringing the joining end surface of the cup member and the joining end surface of the shaft member into abutment against each other; welding the cup member and the shaft member by radiating a beam; and performing, after the welding, an ultrasonic flaw detection-inspection step.Type: GrantFiled: March 24, 2015Date of Patent: April 30, 2019Assignee: NTN CORPORATIONInventors: Masafumi Osugi, Tsuyoshi Ueno, Shintaro Suzuki, Hiromi Nagai, Tatsuro Sugiyama
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Publication number: 20180302752Abstract: Even in a crowded situation in which multiple pedestrians and vehicles gather, it possible to sufficiently suppress pedestrian-vehicle communication between a pedestrian terminal device and a vehicle-mounted terminal device, and to reduce communication congestion due to an increase in traffic in pedestrian-vehicle communication.Type: ApplicationFiled: September 28, 2016Publication date: October 18, 2018Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tsuyoshi UENO, Yoshimasa SHIROSAKI, Satoshi TANAKA, Hiroaki SUDO, Yoshiyuki OKUBO, Shintaro MURAMATSU
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Publication number: 20180269651Abstract: A drive circuit is configured to supply a current to a light emitting element. The drive circuit includes a plurality of switching elements configured to switch between ON/OFF states with a modulation signal, a capacitor connected in parallel with the light emitting element, and a control module configured to control the switching elements so that a voltage of the capacitor does not become lower than a threshold.Type: ApplicationFiled: March 12, 2018Publication date: September 20, 2018Applicants: Ricoh Company, Ltd., Kyushu Institute of TechnologyInventors: Yuuki OKA, Tsuyoshi UENO, Seiya ABE
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Publication number: 20180122240Abstract: Pedestrian terminal device that can save power consumption. The pedestrian terminal device carried by a pedestrian is provided with an operation mode selector for selecting one of a principal terminal operation mode wherein a pedestrian-vehicle communication with an in-vehicle terminal device is performed representing other pedestrian terminal devices, and an in-group terminal operation mode wherein a short-range wireless communication of a shorter range and a smaller power output than the pedestrian-vehicle communication is performed with another pedestrian terminal device operating in the principal terminal operation mode.Type: ApplicationFiled: November 27, 2017Publication date: May 3, 2018Applicant: PANASONIC CORPORATIONInventors: Yoshimasa SHIROSAKI, Hiroaki SUDO, Yoshiyuki OKUBO, Tsuyoshi UENO
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Publication number: 20170159718Abstract: Provided is a method of manufacturing an outer joint member of a constant velocity universal joint, which is constructed by forming a cup section having track grooves, and a shaft section, and by welding a cup member and a shaft member, the method including: forming the cup member and the shaft member of medium carbon steel; preparing a cup member having a cylindrical portion and a bottom portion integrally formed by forging, and a joining end surface in a machining step; preparing a shaft member having a joining end surface formed in a machining step; bringing the joining end surface of the cup member and the joining end surface of the shaft member into abutment against each other; welding the cup member and the shaft member by radiating a beam; and performing, after the welding, an ultrasonic flaw detection-inspection step.Type: ApplicationFiled: March 24, 2015Publication date: June 8, 2017Applicant: NTN CORPORATIONInventors: Masafumi OSUGI, Tsuyoshi UENO, Shintaro SUZUKI, Hiromi NAGAI, Tatsuro SUGIYAMA
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Patent number: 9605715Abstract: A method of manufacturing an outer joint member of a constant velocity universal joint includes forming cup and shaft members of medium carbon steel, forging the cup member to have integrally formed cylindrical and bottom portions, and machining a joining end surface on an outer surface of the bottom portion after the forging. The method also includes preparing the shaft member to have a joining end surface to be joined to the bottom portion of the cup member, which is formed by machining, bringing the joining end surfaces of the cup and shaft members into abutment against each other and welding the cup and shaft members by radiating a beam from an outer side of the cup member to an abutment portion between the cup and shaft members in a radial direction of the cup member.Type: GrantFiled: July 30, 2014Date of Patent: March 28, 2017Assignee: NTN CORPORATIONInventors: Masafumi Osugi, Masazumi Kobayashi, Morihiro Wada, Tsuyoshi Ueno, Tatsuro Sugiyama
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Publication number: 20160201730Abstract: A method of manufacturing an outer joint member of a constant velocity universal joint includes forming cup and shaft members of medium carbon steel, forging the cup member to have integrally formed cylindrical and bottom portions, and machining a joining end surface on an outer surface of the bottom portion after the forging. The method also includes preparing the shaft member to have a joining end surface to be joined to the bottom portion of the cup member, which is formed by machining, bringing the joining end surfaces of the cup and shaft members into abutment against each other and welding the cup and shaft members by radiating a beam from an outer side of the cup member to an abutment portion between the cup and shaft members in a radial direction of the cup member.Type: ApplicationFiled: July 30, 2014Publication date: July 14, 2016Inventors: Masafumi OSUGI, Masazumi KOBAYASHI, Morihiro WADA, Tsuyoshi UENO, Tatsuro SUGIYAMA
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Patent number: 9181986Abstract: There is provided a constant velocity universal joint having excellent durability at high temperature while using a boot made of silicone rubber that does not include cerium oxide or other rare earth element-containing compound. The constant velocity universal joint is provided with an outer joint member (2), an inner joint member (4), a shaft (8) coupled to the inner joint member (4), and a boot (9) mounted directly or via another member to the outer joint member (2) and the shaft (8), the boot (9) being a molded article of a silicone rubber composition including silicone rubber, iron oxide, and titanium oxide and not including a rare earth element-containing compound. The silicone rubber composition furthermore includes barium zirconate as required.Type: GrantFiled: March 8, 2013Date of Patent: November 10, 2015Assignee: NTN CORPORATIONInventors: Tsuyoshi Ueno, Masahide Miyata, Shinichi Takabe, Mika Kohara
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Patent number: 9128449Abstract: A fixing device includes a heating body; first and second coils for induction heating that heat the heating body by an induction heating method; a first switching element connected to the first coil for induction heating; a second switching element connected to the second coil for induction heating; a driving signal transmission unit that sends a first drive signal to the first switching element and a second drive signal to the second switching element so that the first switching element and the second switching element operate at the same timing to apply a first input voltage to the first coil for induction heating and a second input voltage to the second coil for induction heating; and a voltage drop unit that steps down the first input voltage applied to the first coil for induction heating so that the first input voltage is lower than the second input voltage.Type: GrantFiled: June 25, 2014Date of Patent: September 8, 2015Assignee: Ricoh Company, Ltd.Inventors: Masataka Akaishi, Tsuyoshi Ueno, Motokazu Hasegawa, Yuuki Oka
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Patent number: 9098029Abstract: A fixing device which heats a heating object through induction heating by using a plurality of coils includes a plurality of coil drivers that drive the plurality of coils respectively, a drive circuit that controls ON/OFF states of a plurality of switching elements simultaneously to control the drive of the plurality of coil drivers, a control unit that controls a voltage supplied to each of the plurality of coils in accordance with the control of the ON/OFF states of the plurality of switching elements by the drive circuit, and a plurality of voltage control circuits that individually change the voltages supplied to the plurality of coils in accordance with the voltage control of the control unit.Type: GrantFiled: September 9, 2013Date of Patent: August 4, 2015Assignee: RICOH COMPANY, LTD.Inventors: Tsuyoshi Ueno, Motokazu Hasegawa, Masataka Akaishi
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Publication number: 20150038601Abstract: There is provided a constant velocity universal joint having excellent durability at high temperature while using a boot made of silicone rubber that does not include cerium oxide or other rare earth element-containing compound. The constant velocity universal joint is provided with an outer joint member (2), an inner joint member (4), a shaft (8) coupled to the inner joint member (4), and a boot (9) mounted directly or via another member to the outer joint member (2) and the shaft (8), the boot (9) being a molded article of a silicone rubber composition including silicone rubber, iron oxide, and titanium oxide and not including a rare earth element-containing compound. The silicone rubber composition furthermore includes barium zirconate as required.Type: ApplicationFiled: March 8, 2013Publication date: February 5, 2015Applicant: NTN CorporationInventors: Tsuyoshi Ueno, Masahide Miyata, Shinichi Takabe, Mika Kohara
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Publication number: 20150010319Abstract: A fixing device includes a heating body; first and second coils for induction heating that heat the heating body by an induction heating method; a first switching element connected to the first coil for induction heating; a second switching element connected to the second coil for induction heating; a driving signal transmission unit that sends a first drive signal to the first switching element and a second drive signal to the second switching element so that the first switching element and the second switching element operate at the same timing to apply a first input voltage to the first coil for induction heating and a second input voltage to the second coil for induction heating; and a voltage drop unit that steps down the first input voltage applied to the first coil for induction heating so that the first input voltage is lower than the second input voltage.Type: ApplicationFiled: June 25, 2014Publication date: January 8, 2015Applicant: RICOH COMPANY, LTD.Inventors: Masataka AKAISHI, Tsuyoshi UENO, Motokazu HASEGAWA, Yuuki OKA
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Publication number: 20140072320Abstract: A fixing device which heats a heating object through induction heating by using a plurality of coils includes a plurality of coil drivers that drive the plurality of coils respectively, a drive circuit that controls ON/OFF states of a plurality of switching elements simultaneously to control the drive of the plurality of coil drivers, a control unit that controls a voltage supplied to each of the plurality of coils in accordance with the control of the ON/OFF states of the plurality of switching elements by the drive circuit, and a plurality of voltage control circuits that individually change the voltages supplied to the plurality of coils in accordance with the voltage control of the control unit.Type: ApplicationFiled: September 9, 2013Publication date: March 13, 2014Inventors: Tsuyoshi UENO, Motokazu Hasegawa, Masataka Akaishi
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Patent number: 8655204Abstract: An induction heating device includes a resonance circuit including an exciting coil and a resonance capacitor; a switching unit that turns on and off a high-frequency current flowing through the switching unit; a temperature detector that detects a temperature of the heated body; a power amount detector that detects a power amount sent to the exciting coil; a turned-on time setting unit that sets a turned-on time of the switching unit; a timing generation unit that generates a signal indicating a timing when a voltage between both ends of the switching unit is zero; and a timing setting unit that sets a turned-on timing of the switching unit based on the signal generated by the timing generation unit.Type: GrantFiled: September 13, 2011Date of Patent: February 18, 2014Assignee: Ricoh Company, Ltd.Inventor: Tsuyoshi Ueno
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Patent number: 8564983Abstract: A power supply device includes a transformer including a primary coil, a secondary coil, and a tertiary coil; a switching element connected via the primary coil to a direct-current power supply; a first rectifying-and-smoothing circuit rectifying and smoothing a voltage generated in the secondary coil; a control circuit turning on and off the switching element; a second rectifying-and-smoothing circuit rectifying and smoothing a voltage generated in the third coil to generate a driving voltage for the control circuit; and a starting circuit including a first transistor, a first resistor, and a first capacitor connected in series between the direct-current power supply and a ground, a second transistor connected between the direct-current power supply and the second rectifying-and-smoothing circuit, and a turn-off unit turning off at least the second transistor out of the first transistor and the second transistor when the first capacitor is charged to a predetermined voltage.Type: GrantFiled: March 9, 2011Date of Patent: October 22, 2013Assignee: Ricoh Company, Ltd.Inventor: Tsuyoshi Ueno
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Publication number: 20120063799Abstract: An induction heating device includes a resonance circuit including an exciting coil and a resonance capacitor; a switching unit that turns on and off a high-frequency current flowing through the switching unit; a temperature detector that detects a temperature of the heated body; a power amount detector that detects a power amount sent to the exciting coil; a turned-on time setting unit that sets a turned-on time of the switching unit; a timing generation unit that generates a signal indicating a timing when a voltage between both ends of the switching unit is zero; and a timing setting unit that sets a turned-on timing of the switching unit based on the signal generated by the timing generation unit.Type: ApplicationFiled: September 13, 2011Publication date: March 15, 2012Inventor: Tsuyoshi Ueno
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Publication number: 20110222313Abstract: A power supply device includes a transformer including a primary coil, a secondary coil, and a tertiary coil; a switching element connected via the primary coil to a direct-current power supply; a first rectifying-and-smoothing circuit rectifying and smoothing a voltage generated in the secondary coil; a control circuit turning on and off the switching element; a second rectifying-and-smoothing circuit rectifying and smoothing a voltage generated in the third coil to generate a driving voltage for the control circuit; and a starting circuit including a first transistor, a first resistor, and a first capacitor connected in series between the direct-current power supply and a ground, a second transistor connected between the direct-current power supply and the second rectifying-and-smoothing circuit, and a turn-off unit turning off at least the second transistor out of the first transistor and the second transistor when the first capacitor is charged to a predetermined voltage.Type: ApplicationFiled: March 9, 2011Publication date: September 15, 2011Applicant: RICOH COMPANY, LTD.Inventor: Tsuyoshi UENO
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Publication number: 20090214286Abstract: The present invention provides a boot for a constant velocity universal joint that is compact in shape and can prevent a bellows section from becoming caught at an inner ring opening section. The present invention is the boot for a constant velocity universal joint including a large diameter section 11 that is attached to an opening end section of an outer joint component 4 of a constant velocity universal joint 2, a small diameter section 12 that is attached to a shaft connected to an inner joint component 6 of the constant velocity universal joint 2, and a bellows section 13 that is provided between the large diameter section 11 and the small diameter section 12 and has peaks 16 and valleys 15 alternately disposed along an axial direction. A peak 16 is provided adjacent to the large diameter section 11 and the small diameter section 12.Type: ApplicationFiled: September 11, 2006Publication date: August 27, 2009Inventors: Tsuyoshi Ueno, Mikio Tomiyama, Shintaro Harada, Tomonari Oosumi, Atsuto Takemura
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Patent number: 7576382Abstract: A method of providing shield interconnection, the method shielding an interconnection pattern to be shielded with shield interconnection patterns for shielding on the substrate of a semiconductor integrated device, is disclosed. The method includes the steps of disposing multiple interconnection layers having the corresponding shield interconnection patterns formed therein so that the interconnection layers surround the interconnection pattern to be shielded; setting different potentials for at least a first one of the shield interconnection patterns formed in a first one of the interconnection layers and a second one of the shield interconnection patterns formed in a second one of the interconnection layers; and shielding the interconnection pattern to be shielded with the first one and the second one of the shield interconnection patterns.Type: GrantFiled: February 1, 2006Date of Patent: August 18, 2009Assignee: Ricoh Company, Ltd.Inventor: Tsuyoshi Ueno