Patents by Inventor Norihiro Yamada
Norihiro Yamada 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: 20240133442Abstract: A spring member is provided between two pressed bodies facing each other in a first direction and includes base plates stacked in the first direction. Each base plate is provided with spring protrusions protruding toward either one pressed body of the two pressed bodies and pressing the two pressed bodies in directions such that the pressed bodies move away from each other in the first direction. Between two base plates adjacent to each other in the first direction, a base plate positioned closer to the one pressed body is provided with an insertion hole into which a spring protrusion of the other base plate is inserted in a state of penetrating therethrough in the first direction. Among portions in an along-plane direction along a plane orthogonal to the first direction provided with the spring protrusions, the spring constant of at least one portion is different from that of another portion.Type: ApplicationFiled: February 25, 2022Publication date: April 25, 2024Inventors: Yoshio YAMADA, Hironobu IMAIZUMI, Norihiro TAJIMA, Shuji TAKAHASHI
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Publication number: 20220361909Abstract: A treatment device for treating a target tissue includes a drive source having a transducer configured to convert electrical energy to mechanical vibrations, an instrument having a blade connected to the drive source and configured to apply the mechanical vibrations to the target tissue, and a control unit configured to control a supply of electrical energy to the drive source. The control unit is configured to automatically adjust the supply of electrical energy to the drive source in response to a detection of a change in a resonance frequency of the blade. The change in resonance frequency of the blade occurs after the target tissue has been completely cut by the blade.Type: ApplicationFiled: March 1, 2022Publication date: November 17, 2022Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Shunsuke Matsui, Shohei Moriwaki, Norihiro Yamada
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Patent number: 10985413Abstract: A method for testing an all solid state battery with which the presence of short circuit or the presence of defect causing short circuit can be detected with high accuracy by a method in which a voltage is applied to a battery and the current value thereof is measured. The method includes the steps of: a resistance increasing step of increasing resistance of an all solid state battery to 3.2*105 ?·cm2 or more; a voltage applying step of applying voltage to an all solid state battery of which the resistance is increased; and a judging step of judging acceptability of the all solid state battery based on a current value measured in the voltage applying step.Type: GrantFiled: February 27, 2019Date of Patent: April 20, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masato Kamiya, Katsuhiko Nagaya, Norihiro Yamada, Shinobu Okayama, Takayuki Hojo
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Ultrasonic treatment instrument for articulations, and ultrasonic treatment system for articulations
Patent number: 10939935Abstract: An ultrasonic treatment instrument for articulations has a bone abrasion mode in which vibration is performed at a first frequency and a first amplitude, and a cartilage dissolution mode in which vibration is performed at a second frequency which is higher than the first frequency, and a second amplitude which is less than the first amplitude, wherein a first vibration velocity, which is a product of the first frequency and the first amplitude, and a second vibration velocity, which is a product of the second frequency and the second amplitude, coincide or substantially coincide.Type: GrantFiled: August 29, 2018Date of Patent: March 9, 2021Assignee: OLYMPUS CORPORATIONInventors: Yasuo Tanigami, Koichiro Watanabe, Norihiro Yamada -
Patent number: 10923771Abstract: Provided is a method for manufacturing a laminated electrode body which is excellent in terms of productivity and production cost. The method for manufacturing a laminated electrode body disclosed herein includes the steps of: preparing a wound body having a flat portion and two curved portions by using a laminate formed of an elongated positive electrode, an elongated negative electrode, and an elongated separator that insulates the positive electrode and the negative electrode from each other; preparing an electrode laminate structure having two cut surfaces by cutting out and removing the two curved portions of the wound body; and removing active materials on the cut surfaces of the electrode laminate structure by spraying an inactive gas or electrically insulating particles onto the cut surfaces while applying, to the electrode laminate structure, a voltage of 25 V or more and less than a voltage causing a dielectric breakdown of the separator.Type: GrantFiled: July 12, 2018Date of Patent: February 16, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoru Mizuno, Akira Tsukao, Norihiro Yamada
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Patent number: 10912600Abstract: A high-frequency electrosurgical treatment instrument for operations, includes a pair of forceps pieces, an insulating member, a transmission member, a manipulation rod member, a distal end cover member, a shaft member and a manipulation portion. The instrument, includes a flow channel portion formed between the manipulation rod member and the shaft member, the flow channel portion being disposed along a longitudinal direction of the manipulation rod member to allow liquid to flow; a groove portion that communicates with the flow channel portion to allow the liquid to flow from the flow channel portion; and an opening portion that communicates with the groove portion to supply the liquid near the proximal end portions of the pair of forceps pieces.Type: GrantFiled: July 23, 2014Date of Patent: February 9, 2021Assignees: KEIO UNIVERSITY, OLYMPUS CORPORATIONInventors: Yuko Kitagawa, Minoru Tanabe, Norihiro Yamada
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Publication number: 20190280350Abstract: A main object of the present disclosure is to provide a method for testing an all solid state battery with which the presence of short circuit or the presence of defect causing short circuit can be detected with high accuracy by a comparatively simple method in which a voltage is applied to a battery and the current value thereof is measured. The present disclosure achieves the object by providing a method for testing an all solid state battery, the method comprising steps of: a resistance increasing step of increasing resistance of an all solid state battery to 3.2*105 ?·cm2 or more; a voltage applying step of applying voltage to an all solid state battery of which the resistance is increased; and a judging step of judging acceptability of the all solid state battery based on a current value measured in the voltage applying step.Type: ApplicationFiled: February 27, 2019Publication date: September 12, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masato KAMIYA, Katsuhiko NAGAYA, Norihiro YAMADA, Shinobu OKAYAMA, Takayuki HOJO
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Publication number: 20190027787Abstract: Provided is a method for manufacturing a laminated electrode body which is excellent in terms of productivity and production cost. The method for manufacturing a laminated electrode body disclosed herein includes the steps of: preparing a wound body having a flat portion and two curved portions by using a laminate formed of an elongated positive electrode, an elongated negative electrode, and an elongated separator that insulates the positive electrode and the negative electrode from each other; preparing an electrode laminate structure having two cut surfaces by cutting out and removing the two curved portions of the wound body; and removing active materials on the cut surfaces of the electrode laminate structure by spraying an inactive gas or electrically insulating particles onto the cut surfaces while applying, to the electrode laminate structure, a voltage of 25 V or more and less than a voltage causing a dielectric breakdown of the separator.Type: ApplicationFiled: July 12, 2018Publication date: January 24, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoru MIZUNO, Akira TSUKAO, Norihiro YAMADA
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ULTRASONIC TREATMENT INSTRUMENT FOR ARTICULATIONS, AND ULTRASONIC TREATMENT SYSTEM FOR ARTICULATIONS
Publication number: 20180368878Abstract: An ultrasonic treatment instrument for articulations has a bone abrasion mode in which vibration is performed at a first frequency and a first amplitude, and a cartilage dissolution mode in which vibration is performed at a second frequency which is higher than the first frequency, and a second amplitude which is less than the first amplitude, wherein a first vibration velocity, which is a product of the first frequency and the first amplitude, and a second vibration velocity, which is a product of the second frequency and the second amplitude, coincide or substantially coincide.Type: ApplicationFiled: August 29, 2018Publication date: December 27, 2018Applicant: OLYMPUS CORPORATIONInventors: Yasuo TANIGAMI, Koichiro WATANABE, Norihiro YAMADA -
Publication number: 20170252094Abstract: A control device for controlling a heat treatment device, wherein the heat treatment device includes: a heating resistor configured to be electrically connected to an energy output source to form a circuit such that the energy output source causes current flow through the heating resistor to generate heat for treating a target object, and wherein the control device includes: a detection circuit configured to detect one or more of a resistance component and a capacitance component of the circuit caused by a fluid; and one or more processors configured to control the energy output source to control a characteristic of the current flow through the heating resistor based on the one or more of the resistance component and the capacitance component detected by the detection circuit.Type: ApplicationFiled: September 9, 2016Publication date: September 7, 2017Applicant: OLYMPUS CORPORATIONInventors: Yoshitaka HONDA, Norihiro YAMADA
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Patent number: 9352173Abstract: A treatment device includes a treatment portion, a transmission portion and a moment shift portion. The treatment portion transmits ultrasonic vibration. The length of the treatment portion is shorter than ¼ of a wavelength of the ultrasonic vibration. The transmission portion has one end at a node position where the first generated node from the distal end of the treatment portion appears, and is located closer to a proximal side than the node position. The length of the transmission portion is ¼ of the wavelength. The moment shift portion is located between the treatment portion and the transmission portion. An average of I1/A12 is greater than an average of I2/A22, where I1 is the second moment of area and A1 is a sectional area in the treatment portion, and I2 is the second moment of area and A2 is a sectional area in the transmission portion.Type: GrantFiled: October 14, 2014Date of Patent: May 31, 2016Assignee: OLYMPUS CORPORATIONInventors: Masashi Yamada, Norihiro Yamada
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Patent number: 9341674Abstract: A scan test generation method includes dividing a single clock domain into a plurality of regions; incorporating a test pattern generation control circuit in each of the regions; selecting one of a skewed-load mode and a broadside mode as a test pattern generation mode by the test pattern generation control circuit for each region; generating a test pattern determined based on selected one of the test pattern generation mode for each region; and generating a test pattern such that the skewed-load mode and the broadside mode are mixed in a single clock domain.Type: GrantFiled: June 8, 2015Date of Patent: May 17, 2016Assignee: RENESAS ELECTRONICS CORPORATIONInventors: Hirofumi Yonetoku, Norihiro Yamada
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Patent number: 9282990Abstract: A treatment device includes a first grip member having an elongated shape, and a second grip member which is displaced with respect to the first grip member to grip the biological tissue between the first grip member and the second grip member. The second grip member includes a grip section that comes into contact with a biological tissue as a gripping target. I/A2 of the grip section is maximum at the proximal end, and/or Z/A3/2 of the grip section is maximum at the proximal end, where I is a second moment of area, Z is a section modulus, and A is a cross-sectional area calculated based on an axis perpendicular to a straight line passing through a center of gravity of the first grip member and a center of gravity of the second grip member in a cross section perpendicular to a longitudinal axis of the grip section.Type: GrantFiled: July 7, 2014Date of Patent: March 15, 2016Assignee: OLYMPUS CORPORATIONInventors: Masashi Yamada, Norihiro Yamada, Shinya Masuda
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Patent number: 9149292Abstract: A probe which is configured for a treatment device which is configured to treat a body tissue using ultrasonic vibration, includes a base member which includes a base surface defined by a longitudinal direction and a width direction shorter than the longitudinal direction and which is a vibration-retardation member configured to hardly transmit the ultrasonic vibration, a waveguide main body which has a width smaller than a width of the base surface in a width direction, protrudes with respect to the base surface, and is extended along the longitudinal direction of the base surface, and an end effecter which is provided at a tip end portion of the waveguide main body and which is configured to treat the body tissue by the ultrasonic vibration transmitted through the waveguide main body.Type: GrantFiled: June 25, 2012Date of Patent: October 6, 2015Assignee: OLYMPUS CORPORATIONInventors: Yukihiko Sawada, Norihiro Yamada
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Publication number: 20150268301Abstract: A scan test generation method includes dividing a single clock domain into a plurality of regions; incorporating a test pattern generation control circuit in each of the regions; selecting one of a skewed-load mode and a broadside mode as a test pattern generation mode by the test pattern generation control circuit for each region; generating a test pattern determined based on selected one of the test pattern generation mode for each region; and generating a test pattern such that the skewed-load mode and the broadside mode are mixed in a single clock domain.Type: ApplicationFiled: June 8, 2015Publication date: September 24, 2015Inventors: Hirofumi YONETOKU, Norihiro YAMADA
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Patent number: 9102230Abstract: A flap valve mechanism in an open-close device for fuel tank includes an open-close member, a shaft support mechanism, a spring and a gasket. The shaft support mechanism includes bearing members and a rotation restricting mechanism. The rotation restricting mechanism includes restricting elements and restricted elements to be engaged with the restricting elements. At a first position, the restricting elements are engaged with the restricted elements, so that the open-close member is moved in a direction of warping the gasket. At a second position, the restricting elements are disengaged from the restricted elements, so that the open-close member is rotated about shaft members.Type: GrantFiled: March 8, 2013Date of Patent: August 11, 2015Assignees: TOYODA GOSEI CO., LTD., HONDA MOTOR CO., LTD.Inventors: Hiroyuki Hagano, Norihiro Yamada, Takeaki Nakajima, Shinichiro Ushigome, Yoshikazu Kaneyasu
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Patent number: 9081058Abstract: To improve a delay fault coverage without increasing an area overhead, provided is a scan test circuit including: scan flip-flops forming a clock domain that operates according to the same clock within a semiconductor integrated circuit including a target of a delay fault test; a test pattern generation mode control unit (scan flip-flop) that is supplied with the same clock as that supplied to the scan flip-flops, and selects one of a skewed-load mode and a broadside mode as a test pattern generation mode of the delay fault test; and a scan enable signal output unit (OR gate) that outputs a first scan enable signal, which is determined based on the test pattern generation mode, to the scan flip-flops.Type: GrantFiled: March 15, 2013Date of Patent: July 14, 2015Assignee: Renesas Electronics CorporationInventors: Hirofumi Yonetoku, Norihiro Yamada
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Publication number: 20150119761Abstract: A treatment device includes a treatment portion, a transmission portion and a moment shift portion. The treatment portion transmits ultrasonic vibration. The length of the treatment portion is shorter than ¼ of a wavelength of the ultrasonic vibration. The transmission portion has one end at a node position where the first generated node from the distal end of the treatment portion appears, and is located closer to a proximal side than the node position. The length of the transmission portion is ¼ of the wavelength. The moment shift portion is located between the treatment portion and the transmission portion. An average of I1/A12 is greater than an average of I2/A22, where I1 is the second moment of area and A1 is a sectional area in the treatment portion, and I2 is the second moment of area and A2 is a sectional area in the transmission portion.Type: ApplicationFiled: October 14, 2014Publication date: April 30, 2015Inventors: Masashi YAMADA, Norihiro YAMADA
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Patent number: 8974477Abstract: In an ultrasonic operating apparatus which is provided with an insertion portion including a sheath having a distal end and a proximal end and formed of a cylindrical body having at least partially flexibility and a procedure portion disposed at the distal end of the sheath and performing a procedure for resection of a body tissue, and an operation portion disposed at the proximal end of the sheath and operating the procedure portion, the procedure portion is provided with an ultrasonic transducer unit including an ultrasonic transducer generating ultrasonic vibration, a probe portion integrally coupled with the ultrasonic transducer and transmitted with ultrasonic waves output from the ultrasonic transducer, and a casing accommodating the ultrasonic transducer, a jaw caused to face the probe portion which configures a distal end of the ultrasonic transducer and including a supporting point held in a state that the supporting point is not moved to the probe portion axially relative to the probe portion and anType: GrantFiled: August 29, 2008Date of Patent: March 10, 2015Assignee: Olympus Medical Systems Corp.Inventor: Norihiro Yamada
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Publication number: 20150048087Abstract: A flap valve mechanism in an open-close device for fuel tank includes an open-close member, a shaft support mechanism, a spring and a gasket. The shaft support mechanism includes bearing members and a rotation restricting mechanism. The rotation restricting mechanism includes restricting elements and restricted elements to be engaged with the restricting elements. At a first position, the restricting elements are engaged with the restricted elements, so that the open-close member is moved in a direction of warping the gasket. At a second position, the restricting elements are disengaged from the restricted elements, so that the open-close member is rotated about shaft members.Type: ApplicationFiled: March 8, 2013Publication date: February 19, 2015Applicant: TOYODA GOSEI CO., LTD.Inventors: Hiroyuki Hagano, Norihiro Yamada, Takeaki Nakajima, Shinichiro Ushigome, Yoshikazu Kaneyasu