Patents by Inventor Yutaka Matsunaga
Yutaka Matsunaga 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: 20240387570Abstract: A camera system including a lens; and an imaging device that receives a light through the lens. The imaging device includes: a semiconductor substrate; a photoelectric converter that is configured to convert the light into a signal charge and that is stacked on the semiconductor substrate; a node to which the signal charge is input; a transistor having a source and a drain, one of the source and the drain being connected to the node; and a capacitive element connected between the transistor and a voltage source or a ground. The transistor is configured to switch between a first state and a second state, a sensitivity in the first state being different from a sensitivity in the second state, and in a cross-sectional view, the capacitive element is located between the semiconductor substrate and the photoelectric converter.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: Masashi MURAKAMI, Kazuko NISHIMURA, Yutaka ABE, Yoshiyuki MATSUNAGA, Yoshihiro SATO, Junji HIRASE
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Patent number: 12131947Abstract: A method for manufacturing a semiconductor device is provided. In the method, a silicon-containing gas is supplied to a substrate having a recess in a surface thereof at a predetermined film deposition temperature, thereby depositing a first silicon film in the recess. Chlorine and hydrogen are supplied to the substrate while maintaining the predetermined film deposition temperature, thereby etching the first silicon film deposited in the recess to expand an opening width of the first silicon film. The silicon-containing gas is supplied to the substrate while maintaining the predetermined film deposition temperature, thereby further depositing a second silicon film on the first silicon film in the recess.Type: GrantFiled: January 24, 2022Date of Patent: October 29, 2024Assignee: Tokyo Electron LimitedInventors: Yutaka Motoyama, Satoshi Takagi, Akari Matsunaga, Keisuke Fujita
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Patent number: 12080732Abstract: An imaging device including a semiconductor substrate; a photoelectric converter that converts incident light into a signal charge, the photoelectric converter being stacked on the semiconductor substrate; a node to which the signal charge is input; a transistor having a source and a drain, one of the source and the drain being connected to the node; and a capacitive element connected between the transistor and a voltage source or a ground. The transistor is configured to switch between a first mode and a second mode, a sensitivity in the first mode being different from a sensitivity in the second mode, and in a cross-sectional view, the capacitive element is located between the semiconductor substrate and the photoelectric converter.Type: GrantFiled: April 21, 2023Date of Patent: September 3, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masashi Murakami, Kazuko Nishimura, Yutaka Abe, Yoshiyuki Matsunaga, Yoshihiro Sato, Junji Hirase
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Publication number: 20230158098Abstract: Provided is a technique that allows for the promotion of energy expenditure. The present invention is a composition for promoting energy expenditure, including, as an active ingredient, a milk protein hydrolysate having an average molecular weight of 220 Daltons or more and 1,000 Daltons or less, a peptide having only Met-Lys-Pro, or a peptide including the amino acid sequence.Type: ApplicationFiled: March 23, 2018Publication date: May 25, 2023Applicant: MORINAGA MILK INDUSTRY CO., LTD.Inventors: Yutaka Matsunaga, Yasuyuki Sakata, Takumi Yago
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Publication number: 20200261516Abstract: A main object of the present technology is to provide a composition for muscle mass increase capable of effectively increasing muscle mass with fewer side effects and high safety.Type: ApplicationFiled: October 31, 2017Publication date: August 20, 2020Applicant: MORINAGA MILK INDUSTRY CO., LTD.Inventors: Kazuya Toda, Junichi Minami, Yutaka Matsunaga
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Patent number: 9621009Abstract: An electric power tool, which uses a DC brushless motor as a drive source and controls the DC brushless motor by a switching element, can include a tubular housing main body portion accommodating the DC brushless motor, and a grip portion protruding from a side portion of the housing main body portion. The switching element is arranged inside the grip portion, and is spaced apart from an electronic circuit board for an electronic component for operating the switching element.Type: GrantFiled: July 1, 2014Date of Patent: April 11, 2017Assignee: MAKITA CORPORATIONInventors: Yutaka Matsunaga, Takeshi Nishimiya
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Patent number: 9190947Abstract: An electric power tool according to the present invention is provided with a tool main body, an induction motor, a power supply unit, and an inverter. The power supply unit and the inverter are integrally incorporated in the tool main body together with the induction motor.Type: GrantFiled: February 6, 2013Date of Patent: November 17, 2015Assignee: MAKITA CORPORATIONInventors: Kenya Yanagihara, Yoshitaka Ichikawa, Motohiro Omura, Yutaka Matsunaga
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Publication number: 20140312721Abstract: An electric power tool, which uses a DC brushless motor as a drive source and controls the DC brushless motor by a switching element, can include a tubular housing main body portion accommodating the DC brushless motor, and a grip portion protruding from a side portion of the housing main body portion. The switching element is arranged inside the grip portion, and is spaced apart from an electronic circuit board for an electronic component for operating the switching element.Type: ApplicationFiled: July 1, 2014Publication date: October 23, 2014Applicant: Makita CorporationInventors: Yutaka MATSUNAGA, Takeshi NISHIMIYA
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Patent number: 8810085Abstract: An electric power tool, which uses a DC brushless motor as a drive source and controls the DC brushless motor by a switching element, can include a tubular housing main body portion accommodating the DC brushless motor, and a grip portion protruding from a side portion of the housing main body portion. The switching element is arranged inside the grip portion, and is spaced apart from an electronic circuit board for an electronic component for operating the switching element.Type: GrantFiled: July 2, 2009Date of Patent: August 19, 2014Assignee: Makita CorporationInventors: Yutaka Matsunaga, Takeshi Nishimiya
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Patent number: 8678106Abstract: A rotary impact tool includes: a hammer rotating by receiving a rotational force of a motor; an anvil rotating by receiving a rotational force of the hammer; and an end tool attached to the anvil, the rotary impact tool being constructed such that when a torque of a value not less than a predetermined value is applied to the anvil from the outside, the hammer is disengaged from the anvil to rotate idle and applies an impact to the anvil in a rotational direction after rotating idle by a predetermined angle, the rotary impact tool including an impact detector configured to detect impacts and a speed switching device configured to switch the rotational speed of the motor, and when the impact detector detects an impact during rotation of the anvil in a tightening direction, the speed switching device switches the rotational speed of the motor from a normal speed to a low speed.Type: GrantFiled: January 14, 2010Date of Patent: March 25, 2014Assignee: Makita CorporationInventors: Yutaka Matsunaga, Hirokatsu Yamamoto, Katsuna Hayashi, Yoshitaka Ichikawa
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Patent number: 8410756Abstract: A battery pack is provided with a plurality of battery modules; a pack main body that removably receives the plurality of battery modules; a movable member that prohibits the plurality of battery modules from being attached to and removed from the pack main body at a first position; at least one sensor that detects whether the movable member is located at the first position or not; and a controller that performs at least one predetermined processing based on detection by the at least one sensor.Type: GrantFiled: August 23, 2010Date of Patent: April 2, 2013Assignee: Makita CorporationInventors: Kazuyuki Sakakibara, Hiroshi Murata, Yutaka Matsunaga, Munetoshi Goto
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Patent number: 8350512Abstract: An electric power tool is provided that includes a motor as a driving source, a first operation switch, a first semiconductor switch, and a second semiconductor switch. The first operation switch is operated by a user to be turned ON/OFF. The first semiconductor switch, provided on a current path from the power source to the motor, includes at least one semiconductor switching device. When the first operation switch is OFF, the first semiconductor switch is turned OFF to interrupt the current path. When the first operation switch is ON, the first semiconductor switch is turned ON to close the current path. The second semiconductor switch is provided on the current path in series with the first semiconductor switch and includes at least one semiconductor switching device. The second semiconductor switch closes/interrupts the current path by being turned ON/OFF in accordance with an input control signal.Type: GrantFiled: December 13, 2011Date of Patent: January 8, 2013Assignee: Makita CorporationInventors: Yutaka Matsunaga, Hidekazu Suda, Takeshi Nishimiya
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Publication number: 20130000938Abstract: A hand-held power tool comprises a motor, an output section which is rotationally driven by the motor, and an output change section which changes the output of the output section in a stepless manner while normally driving the motor. The hand-held power tool is improved so that the output of the output section during working can be smoothly controlled.Type: ApplicationFiled: October 22, 2010Publication date: January 3, 2013Applicant: MAKITA CORPORATIONInventors: Yutaka Matsunaga, Manabu Tokunaga, Shinji Hirabayashi
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Patent number: 8346384Abstract: A cutting machine of the present invention for cutting a material to be cut, which is placed on a table, with a rotating saw blade, includes an imaging device, a determination device and a stopping device. The imaging device takes a video image of an area on the table and outputs the video image. The determination device makes a determination on whether or not a number of pixels of a specific color, which is previously set, exceeds a predetermined threshold in one frame of image constituting the video image outputted from the imaging device. The stopping device stops rotation of the saw blade when it is determined by the determination device that the number of pixels of the specific color exceeds the predetermined threshold.Type: GrantFiled: June 19, 2009Date of Patent: January 1, 2013Assignee: Makita CorporationInventors: Kazuhito Murakami, Kazutoki Otake, Hiroshi Murata, Yutaka Matsunaga, Takeshi Nishimiya
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Patent number: 8215528Abstract: A drive tool includes an ejector, a press member, a press detection switch, an operation member, an operation detection switch, a control unit, an operation state detector, and a report unit. The control unit makes the ejector carry out ejection of a fastening tool when the press detection switch and the operation detection switch are turned on. The operation state detector detects a case where the drive tool comes into one of a plurality of kinds of preset operation states which include at least one operation state other than a state of a battery. Report patterns different for each of the plurality of kinds of operation states are set in the report unit. When one of the operation states is detected by the operation state detector, the report unit reports the detection using the report pattern set corresponding to the detected operation state.Type: GrantFiled: September 12, 2008Date of Patent: July 10, 2012Assignee: Makita CorporationInventors: Yutaka Matsunaga, Hidekazu Suda, Jiro Oda, Kenichi Miyata
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Patent number: 8179069Abstract: An electric power tool includes a direct current motor, at least one switching device, a trigger switch, a control unit, and a drive unit. The control unit sets a driving duty ratio for PWM controlling the direct current motor so as to increase the driving duty ratio in a stepwise manner in accordance with an operation continuation time of the trigger switch during a period from when an operation of the trigger switch is started until when a predetermined start-up time has elapsed.Type: GrantFiled: August 13, 2008Date of Patent: May 15, 2012Assignee: Makita CorporationInventors: Yutaka Matsunaga, Hirokatsu Yamamoto, Takuya Kusakawa
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Patent number: 8167183Abstract: A lock lever is provided in association with a trigger, and the trigger is configured not to be turned on unless the third operation for unlocking the lock lever is performed, so that it is ensured that an erroneous operation of the trigger is prevented further reliably.Type: GrantFiled: June 18, 2008Date of Patent: May 1, 2012Assignee: Makita CorporationInventors: Yutaka Matsunaga, Hidekazu Suda, Shinji Hirabayashi
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Publication number: 20120079799Abstract: An electric power tool is provided that includes a motor as a driving source, a first operation switch, a first semiconductor switch, and a second semiconductor switch. The first operation switch is operated by a user to be turned ON/OFF. The first semiconductor switch, provided on a current path from the power source to the motor, includes at least one semiconductor switching device. When the first operation switch is OFF, the first semiconductor switch is turned OFF to interrupt the current path. When the first operation switch is ON, the first semiconductor switch is turned ON to close the current path. The second semiconductor switch is provided on the current path in series with the first semiconductor switch and includes at least one semiconductor switching device. The second semiconductor switch closes/interrupts the current path by being turned ON/OFF in accordance with an input control signal.Type: ApplicationFiled: December 13, 2011Publication date: April 5, 2012Applicant: MAKITA CORPORATIONInventors: Yutaka MATSUNAGA, Hidekazu SUDA, Takeshi NISHIMIYA
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Patent number: 8098036Abstract: An electric power tool is provided that includes a motor as a driving source, a first operation switch, a first semiconductor switch, and a second semiconductor switch. The first operation switch is operated by a user to be turned ON/OFF. The first semiconductor switch, provided on a current path from the power source to the motor, includes at least one semiconductor switching device. When the first operation switch is OFF, the first semiconductor switch is turned OFF to interrupt the current path. When the first operation switch is ON, the first semiconductor switch is turned ON to close the current path. The second semiconductor switch is provided on the current path in series with the first semiconductor switch and includes at least one semiconductor switching device. The second semiconductor switch closes/interrupts the current path by being turned ON/OFF in accordance with an input control signal.Type: GrantFiled: June 26, 2009Date of Patent: January 17, 2012Assignee: Makita CorporationInventors: Yutaka Matsunaga, Hidekazu Suda, Takeshi Nishimiya
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Publication number: 20110315417Abstract: A rotary impact tool includes: a hammer rotating by receiving a rotational force of a motor; an anvil rotating by receiving a rotational force of the hammer; and an end tool attached to the anvil, the rotary impact tool being constructed such that when a torque of a value not less than a predetermined value is applied to the anvil from the outside, the hammer is disengaged from the anvil to rotate idle and applies an impact to the anvil in a rotational direction after rotating idle by a predetermined angle, the rotary impact tool including an impact detection means detecting impacts and a speed switching means switching the rotational speed of the motor, and when the impact detection means detects an impact during rotation of the anvil in a tightening direction, the speed switching means switches the rotational speed of the motor from a normal speed to a low speed.Type: ApplicationFiled: January 14, 2010Publication date: December 29, 2011Applicant: MAKITA CORPORATIONInventors: Yutaka Matsunaga, Hirokatsu Yamamoto, Katsuna Hayashi, Yoshitaka Ichikawa