Patents by Inventor Yuta Sugiyama
Yuta Sugiyama 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: 9203261Abstract: An excavator includes an electric load, an electrical energy storage unit including an electrical energy storage part (19) that supplies electric power to the electric load, and a control unit (30) that controls an amount of charge to the electrical energy storage part (19) so that a charge rate of the electrical energy storage part (19) is between a system control upper limit value and a system control lower limit value. The control unit (30) controls the amount of charge to the electrical energy storage part (19) based on a changing trend of a detection value of the charge rate.Type: GrantFiled: January 26, 2012Date of Patent: December 1, 2015Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Yuta Sugiyama
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Publication number: 20150297070Abstract: An endoscope fogging prevention system includes a heater which heats inside of a distal end portion, a temperature sensor which measures heat quantity information regarding the inside and a control unit which controls the driving of the heater based on the heat quantity information measured by the temperature sensor. The fogging prevention system judging the operating characteristics of the heater and the operating characteristics of the temperature sensor based on the heat quantity information, and deactivating the heater when judging that the judgment result is out of a desired range.Type: ApplicationFiled: July 2, 2015Publication date: October 22, 2015Applicant: OLYMPUS CORPORATIONInventors: Takayuki IDE, Yuta SUGIYAMA, Shinji YASUNAGA
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Patent number: 9108516Abstract: Provided is a working machine capable of decreasing a voltage of a DC busbar (DC bus) with a configuration suppressing a degradation in reliability. A hybrid type construction machine as a working machine includes: a DC bus which is connected to a rotation motor via an inverter circuit, a battery which is connected to the DC bus via a step-up/step-down converter and a switch, a controller which drives the inverter circuit and the step-up/step-down converter, a cooling liquid circulating system which includes a pump motor, and an inverter circuit which is connected to the DC bus and driving the pump motor. The controller includes a mode used for decreasing the voltage of the DC bus, and in that mode, the switch enters a disconnection state and the inverter circuit is operated to consume electricity in the pump motor.Type: GrantFiled: December 19, 2013Date of Patent: August 18, 2015Assignees: SUMITOMO HEAVY INDUSTRIES, LTD., SUMITOMO (S.H.I.) CONSTRUCTION MACHINERY CO., LTD.Inventors: Yuta Sugiyama, Hideaki Yuasa, Kiminori Sano
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Publication number: 20150057653Abstract: A medical wireless power supply system includes a trocar, a power transmission coil provided in a state in which at least a part thereof is covered with a nonconductive member, a power transmission coil unit including the power transmission coil and configured to be capable of resonating at a predetermined resonance frequency, a medical instrument including a cylindrical insertion portion insertable into an insertion hole of the trocar, a power reception coil provided in a state in which at least a part thereof is covered with a nonconductive member on an inside of the insertion portion, and a power reception coil unit including the power reception coil and configured to be capable of resonating at a resonance frequency that coincides with the predetermined resonance frequency.Type: ApplicationFiled: November 10, 2014Publication date: February 26, 2015Applicant: OLYMPUS CORPORATIONInventor: Yuta SUGIYAMA
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Patent number: 8869519Abstract: An electric power accumulating means (30) includes a DC bus connected to an electric power accumulator (19) and supplies a direct current, a smoothing capacitor provided to the DC bus, and a voltage detector (23) that detects a voltage of the DC bus. The generator (12) generates an induced voltage E by being rotationally driven by an engine (11) when starting the engine (11). Degaussing of a permanent magnet of the generator is determined by performing a comparison between the induced voltage E detected by the voltage detector (23) and a previously set reference induced voltage RE.Type: GrantFiled: February 17, 2010Date of Patent: October 28, 2014Assignee: Sumitomo Heavy Industries, Ltd.Inventor: Yuta Sugiyama
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Publication number: 20140221743Abstract: A lens frame unit includes a lens frame body that houses an optical member, a heat transfer unit that covers at least part of the lens frame body, a heat-generating unit, a temperature measurement unit that measures temperature and a same single electrical wiring board on which the heat-generating unit and the temperature measurement unit are mounted. The heat-generating unit and the temperature measurement unit are arranged on the electrical wiring board so as to be separated from each other, and the electrical wiring board is disposed such that the heat-generating unit and the temperature measurement unit are in contact with the heat transfer unit. Thermal resistance between closest positions of the heat-generating unit and the temperature measurement unit is greater than thermal resistance between the heat-generating unit and the heat transfer unit, and between the temperature measurement unit and the heat transfer unit.Type: ApplicationFiled: April 8, 2014Publication date: August 7, 2014Applicant: OLYMPUS CORPORATIONInventor: Yuta SUGIYAMA
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Publication number: 20140222274Abstract: A hybrid excavator includes a control unit that is arranged at an upper turning body and is configured to supply a drive signal to at least one of a motor generator control part and a charge/discharge control part. During a regeneration operation performed by a motor, the control unit sets an electrical energy storage target value for a second electrical energy storage device to a higher value than an electrical energy storage target value for a first electrical energy storage.Type: ApplicationFiled: April 14, 2014Publication date: August 7, 2014Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventor: Yuta SUGIYAMA
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Patent number: 8768578Abstract: A motor generator control unit controls operation of a motor generator which generates power using a driving force transmitted from an engine. A charge/discharge control unit electrically connects first and second electrical power storage devices and controls charging/discharging of power between the first and second electrical power storage devices in response to an externally supplied control signal. A motor which is electrically connected to the second electrical power storage device is capable of regenerating electric energy and storing the regenerated energy in the second electrical power storage device. A control device supplies a control signal to at least one of the motor generator control unit and the charge/discharge control unit and reduces an electrical power storage target value of at least one of the first and second electrical power storage devices before the motor regenerates energy.Type: GrantFiled: June 8, 2010Date of Patent: July 1, 2014Assignee: Sumitomo Heavy Industries, Ltd.Inventors: Koji Kawashima, Yuta Sugiyama
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Patent number: 8708892Abstract: An endoscope including: two bending portions, a bending amount calculator, a setting portion, a determination portion, and a controller, configured as such: Upon bending of the distal bending portion, the bending amount calculator calculates the bending amount of the distal bending portion. If the determination portion finds if the bending calculated exceeds a first set threshold set by the setting portion, the controller continuously outputs a signal to drive the proximal bending portion to bend in the same direction as the distal bending portion. When subsequently the determination portion finds that the bending calculated is less than a second threshold less than the absolute value of the first threshold, and which is also set by the setting portion, the controller outputs a signal to return the proximal bending section to its initial predetermined position.Type: GrantFiled: September 25, 2012Date of Patent: April 29, 2014Assignee: Olympus Medical Systems Corp.Inventors: Yuta Sugiyama, Hideki Tanaka
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Publication number: 20140107898Abstract: A hybrid work machine includes a turning electric motor configured to turn an upper-part turning body, a hydraulic actuator, and a controller configured to control turning in a state of an independent turning operation by the turning electric motor and in a state of a combined turning operation by the turning electric motor and the hydraulic actuator. The controller is configured to limit the output of the turning electric motor in the state of the independent turning operation after a transition from the state of the combined turning operation to the state of the independent turning operation to an output smaller than the output of the turning electric motor in the state of the independent turning operation other than the state of the independent turning operation after said transition.Type: ApplicationFiled: December 10, 2013Publication date: April 17, 2014Applicants: SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD., SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Koji KAWASHIMA, Yuta Sugiyama, Hideto Magaki, Kiminori Sano, Ryuji Shiratani
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Publication number: 20140107881Abstract: Provided is a working machine capable of decreasing a voltage of a DC busbar (DC bus) with a configuration suppressing a degradation in reliability. A hybrid type construction machine as a working machine includes: a DC bus which is connected to a rotation motor via an inverter circuit, a battery which is connected to the DC bus via a step-up/step-down converter and a switch, a controller which drives the inverter circuit and the step-up/step-down converter, a cooling liquid circulating system which includes a pump motor, and an inverter circuit which is connected to the DC bus and driving the pump motor. The controller includes a mode used for decreasing the voltage of the DC bus, and in that mode, the switch enters a disconnection state and the inverter circuit is operated to consume electricity in the pump motor.Type: ApplicationFiled: December 19, 2013Publication date: April 17, 2014Applicant: Sumitomo Heavy Industries, Ltd.Inventors: Yuta SUGIYAMA, Hideaki YUASA, Kiminori SANO
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Patent number: 8660502Abstract: In a high frequency antenna switch module, an I/O interface generates various control signals for controlling a switch module on the basis of a system data signal and a system clock, a decoder generates a switch control signal SWCNT for controlling a switch in response to a control signal CNT in the control signals, a timing detector for switch-ports switching generates a switch-port switching detection signal t_sw in response to the switch control signal, a frequency control signal generator generates frequency control signals ICONT and CCONT in response to the signal t_sw, and a negative voltage generation circuit generates a negative voltage output signal NVG_OUT while switching the frequency of the clock signal generated in the negative voltage generation circuit to different frequencies in response to signals ICONT and CCONT. The switch switches the paths among the plural switch ports in response to the signals SWCNT and NVG_OUT.Type: GrantFiled: March 1, 2012Date of Patent: February 25, 2014Assignee: Hitachi Metals, Ltd.Inventors: Yusuke Wachi, Takashi Kawamoto, Yuta Sugiyama
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Patent number: 8639404Abstract: Provided is a working machine capable of decreasing a voltage of a DC busbar (DC bus) with a configuration suppressing a degradation in reliability. A hybrid type construction machine as a working machine includes: a DC bus which is connected to a rotation motor via an inverter circuit, a battery which is connected to the DC bus via a step-up/step-down converter and a switch, a controller which drives the inverter circuit and the step-up/step-down converter, a cooling liquid circulating system which includes a pump motor, and an inverter circuit which is connected to the DC bus and driving the pump motor. The controller includes a mode used for decreasing the voltage of the DC bus, and in that mode, the switch enters a disconnection state and the inverter circuit is operated to consume electricity in the pump motor.Type: GrantFiled: November 17, 2009Date of Patent: January 28, 2014Assignees: Sumitom Heavy Industries, Ltd., Sumitomo (S.H.I.) Construction Machinery Co., Ltd.Inventors: Yuta Sugiyama, Hideaki Yuasa, Kiminori Sano
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Patent number: 8597174Abstract: A medical device includes: a body electrode disposed in contact with a human body; a tubular instrument having a distal electrode at a distal end portion of an insertion portion inserted into the body and a plurality of active joints for changing an orientation and a position of the distal end portion at the insertion portion; a plurality of joint position information detecting sections for respectively acquiring joint position information of the plurality of active joints; and a storage section for storing the joint position information respectively acquired by the plurality of joint position information detecting sections based on conduction between the body electrode and the distal electrode.Type: GrantFiled: October 20, 2008Date of Patent: December 3, 2013Assignee: Olympus Medical Systems Corp.Inventor: Yuta Sugiyama
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Patent number: 8591400Abstract: A medical instrument, includes: an insertion section having a treatment instrument projection port and an active bending section at a position on the insertion section's proximal end portion side of the treatment instrument projection port; a joystick by which an operation of the active bending section is inputted; a driving section for driving the active bending section; and a control section for controlling the joystick and the driving section, and the control section having an active bending section which performs a control in one control mode selected from a plurality of different control modes.Type: GrantFiled: January 15, 2009Date of Patent: November 26, 2013Assignee: Olympus Medical Systems Corp.Inventor: Yuta Sugiyama
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Publication number: 20130300378Abstract: An excavator includes an electric load, an electrical energy storage unit including an electrical energy storage part (19) that supplies electric power to the electric load, and a control unit (30) that controls an amount of charge to the electrical energy storage part (19) so that a charge rate of the electrical energy storage part (19) is between a system control upper limit value and a system control lower limit value. The control unit (30) controls the amount of charge to the electrical energy storage part (19) based on a changing trend of a detection value of the charge rate.Type: ApplicationFiled: January 26, 2012Publication date: November 14, 2013Inventor: Yuta Sugiyama
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Publication number: 20130282241Abstract: An electrical energy storage unit (120) of an excavator includes an electrical energy storage device (19) that accumulates electric power generated by a generator and an electric circuit that controls a charge/discharge operation of the electrical energy storage device. An abnormality detection part detects an abnormality of the electrical energy storage unit (120). An electrical energy storage state estimation part of the abnormality detection part obtains an estimation value of an electrical energy storage state of the electrical energy storage device (19) based on a voltage detection value obtained by a voltage detection part and a current detection value obtained by a current detection part. An abnormality determination part of the abnormality detection part makes an abnormality determination based on the estimation value obtained by the electrical energy storage state estimation part.Type: ApplicationFiled: January 26, 2012Publication date: October 24, 2013Applicant: Sumitomo Heavy Industries LtdInventor: Yuta Sugiyama
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Medical device system for determining contact between first medical device and second medical device
Patent number: 8454592Abstract: The medical device system includes: first and second medical devices that are used in the body cavity and surfaces of which have conductivity; a first electrode electrically connected to the surface of the first medical device; a second electrode electrically connected to the surface of the second medical device; a resistance measuring unit for measuring an inter-device resistance value between the first electrode and the second electrode; a threshold storing unit for storing a predetermined lower limit threshold of the inter-device resistance value; a determining unit for determining, when the inter-device resistance value is lower than the inter-device resistance threshold, that the first medical device and the second medical device come into contact with each other; and a warning generating unit for generating a warning.Type: GrantFiled: March 11, 2010Date of Patent: June 4, 2013Assignee: Olympus Medical Systems Corp.Inventors: Yuta Sugiyama, Kazuhiko Takahashi -
Publication number: 20120306716Abstract: The present invention provides a high frequency circuit, a high frequency circuit component, and a communication apparatus that uses the same, the circuit capable of being used for different communication systems, having a high receiving sensitivity and restraining the loss of transmission power. A high frequency circuit of the present invention includes: a first antenna terminal (ANT1) and a second antenna terminal (ANT2); and at least a transmitting terminal (Tx) and a first and a second receiving terminal (Rx1, Rx2) for a first communication system. With each switch, the first and the second receiving terminals (Rx1, Rx2) can be each simultaneously connected to the first and the second antenna terminals (ANT1, ANT2). Also, the transmitting terminal (Tx) is selectively connectable to either of the first and second antenna terminals (ANT1, ANT2).Type: ApplicationFiled: November 19, 2010Publication date: December 6, 2012Inventors: Hirotaka Satake, Keisuke Fukamachi, Shigeru Kemmochi, Yuta Sugiyama
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Publication number: 20120252377Abstract: In a high frequency antenna switch module, an I/O interface generates various control signals for controlling a switch module on the basis of a system data signal and a system clock, a decoder generates a switch control signal SWCNT for controlling a switch in response to a control signal CNT in the control signals, a timing detector for switch-ports switching generates a switch-port switching detection signal t_sw in response to the switch control signal, a frequency control signal generator generates frequency control signals ICONT and CCONT in response to the signal t_sw, and a negative voltage generation circuit generates a negative voltage output signal NVG_OUT while switching the frequency of the clock signal generated in the negative voltage generation circuit to different frequencies in response to signals ICONT and CCONT. The switch switches the paths among the plural switch ports in response to the signals SWCNT and NVG_OUT.Type: ApplicationFiled: March 1, 2012Publication date: October 4, 2012Inventors: Yusuke Wachi, Takashi Kawamoto, Yuta Sugiyama