Patents by Inventor Akihiro Yamamoto
Akihiro Yamamoto 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: 20230149994Abstract: Provided are: an upper work roll, radial bearings and a thrust bearing provided on a work side and a drive side of the upper work roll and supporting the upper work roll. Shift cylinders are provided on the work side of the upper work roll and apply forces in both a work side direction and a drive side direction to the thrust bearing. Shift cylinders are also provided on the drive side of the upper work roll and apply forces in both the work side direction and the drive side direction to the radial bearing 790B. The shift cylinders each apply a force in the same direction to the radial bearing and the thrust bearing when the upper work roll does not shift in an axial direction at least during rolling.Type: ApplicationFiled: August 7, 2020Publication date: May 18, 2023Inventors: Kenji HORII, Toshihiro USUGI, Akihiro YAMAMOTO, Hikaru NAKAYA, Daisuke IWAKI, Hiroki YAMASAKI
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Patent number: 11644476Abstract: An analysis device that includes a placement section, a pressing member, and a measurement member, has an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip, and in which a liquid reservoir placed therein to enable a component present in sample can be measured in a state in which the chip and the cartridge have been fitted together. The analysis kit is placed on the placement section. The pressing member presses the analysis kit in a direction in which the cartridge is superimposed on the chip to sandwich the analysis kit between the pressing member and the placement section, and to fit the chip and the cartridge together. The measurement member that measures the component present in the sample in the analysis kit in which the chip and the cartridge have been fitted together.Type: GrantFiled: October 26, 2018Date of Patent: May 9, 2023Assignee: ARKRAY, Inc.Inventors: Akihiro Yamamoto, Naotsugu Onuma
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Patent number: 11619644Abstract: An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.Type: GrantFiled: August 29, 2022Date of Patent: April 4, 2023Assignee: ARKRAY, Inc.Inventors: Akihiro Yamamoto, Shigeru Kitamura, Naoto Shichi
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Patent number: 11585335Abstract: A gas compressor includes inverters, a plurality of compressor units and a control device for controlling each of the inverters. The control device increases the number of compressor bodies to be operated after confirming that the rotational speed of the operational motors will reach a steady value immediately after causing the number of the compressor bodies to be operated to increase.Type: GrantFiled: July 26, 2019Date of Patent: February 21, 2023Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Norio Aoyagi, Akihiro Yamamoto, Yoshiyuki Kanemoto, Hiroaki Saito, Fuminori Kato, Daichi Oka
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Publication number: 20230040408Abstract: A power transmission path switching device has a friction engaging device; a rotation transmission state switching device comprising a first member and a second member arranged coaxial with each other and having: a free mode and/or a one-way clutch mode allowing rotation of the first member with respect to the second member, and a lock mode preventing rotation of the first member with respect to the second member; and a control device that, when connecting the friction engaging device and setting the rotation transmission state switching device to the lock mode, has a function of connecting the friction engaging device, and then while maintaining the friction engaging device in a connected state, switches the rotation transmission state switching device to the lock mode.Type: ApplicationFiled: June 29, 2021Publication date: February 9, 2023Applicant: NSK Ltd.Inventors: Akihiro YAMAMOTO, Hirotaka KISHIDA
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Patent number: 11542951Abstract: The purpose of the present invention is to provide a gas compressor capable of reducing variation in discharge pressure through control of the number of compressor bodies and a control method for the gas compressor. In order to solve the problem, this gas compressor includes a plurality of compressor units each having a compressor body, a motor for driving the compressor body, and an inverter for controlling a rotational speed of the motor, and a control device for controlling the inverters. Discharge pipes of the compressor bodies converge on one main discharge pipe. A drive frequency of the motor of each compressor body is controlled by the corresponding inverter, whereby a pressure of each discharge pipe is controlled and a discharge pressure of the main discharge pipe is controlled.Type: GrantFiled: July 26, 2019Date of Patent: January 3, 2023Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Akihiro Yamamoto, Yoshiyuki Kanemoto, Norio Aoyagi, Hiroaki Saito, Fuminori Kato, Daichi Oka
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Publication number: 20220413001Abstract: An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.Type: ApplicationFiled: August 29, 2022Publication date: December 29, 2022Applicant: ARKRAY, Inc.Inventors: Akihiro YAMAMOTO, Shigeru KITAMURA, Naoto SHICHI
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Patent number: 11534946Abstract: A support frame of a machine base includes a first element to be joined to the upper or lower end face of a vertical support column of the machine base and extending in the horizontal direction, and a second element spaced from the first element on the opposite side from the support column and extended in the horizontal direction. The end face of the support column joined to the first element is formed with one or more first protrusions which extend to reach the second element and join to it.Type: GrantFiled: October 15, 2019Date of Patent: December 27, 2022Assignee: FANUC CORPORATIONInventors: Keisuke Sugahara, Akihiro Yamamoto
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Patent number: 11493128Abstract: A cam device having a drive cam and a driven cam; and a friction engagement device having at least one friction plate and at least one separation plate are provided. The friction engagement device is configured so as to be put into a connected state by pressing the friction plate and the separation plate against each other by the driven cam, and a disconnected state. Also provided are a rotation transmission state switching device having a first member and a second member coaxially arranged, and a mode selecting part configured to rotate or displace in the axial direction according to rotation of the drive cam. The rotation transmission state switching device has at least one mode of a free mode and a lock mode of the first member and the second member, and a one-way clutch mode.Type: GrantFiled: December 11, 2020Date of Patent: November 8, 2022Assignee: NSK LTD.Inventors: Hirotaka Kishida, Ricardo Rodriguez Lopez, Seigou Urakami, Shohei Kaneko, Akihiro Yamamoto
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Patent number: 11467175Abstract: An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.Type: GrantFiled: October 26, 2018Date of Patent: October 11, 2022Assignee: ARKRAY, Inc.Inventors: Akihiro Yamamoto, Shigeru Kitamura, Naoto Shichi
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Patent number: 11455248Abstract: A semiconductor device performs a software lock-step. The semiconductor device includes a first circuit group including a first Intellectual Property (IP) to be operated in a first address space, a first bus, and a first memory, a second circuit group including a second IP to be operated in a second address space, a second bus, and a second memory, a third bus connectable to a third memory, and a transfer control circuit coupled to the first to third buses. when the software lock-step is performed, the second circuit group converts an access address from the second IP to the second memory such that an address assigned to the second memory in the second address space is a same as an address assigned to the first memory in the first address space.Type: GrantFiled: May 6, 2020Date of Patent: September 27, 2022Assignee: RENESAS ELECTRONICS CORPORATIONInventors: Atsushi Nakamura, Akihiro Yamamoto, Kazuaki Terashima, Manabu Koike
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Patent number: 11435638Abstract: This liquid crystal display apparatus is provided with: a TFT substrate comprising a thin film transistor and a pixel electrode connected to the thin film transistor; and a counter substrate comprising a common electrode that faces the pixel electrode via a liquid crystal layer. The thin film transistor comprises: a semiconductor layer deposited over a gate electrode via a gate insulating layer, while having a planar shape that has a first side and a second side each overlapping the gate electrode in plan view; and a first electrode which is connected to the pixel electrode and a second electrode which faces the first electrode, said first and second electrodes being formed on the semiconductor layer. The first side and the second side of the semiconductor layer are adjacent to each other at a predetermined angle; and the first electrode at least partially covers the first side and the second side.Type: GrantFiled: September 13, 2018Date of Patent: September 6, 2022Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Yoshitaka Okumoto, Akihiro Yamamoto, Koji Hasegawa
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Publication number: 20220268358Abstract: A cam device having a drive cam and a driven cam; and a friction engagement device having at least one friction plate and at least one separation plate are provided. The friction engagement device is configured so as to be put into a connected state by pressing the friction plate and the separation plate against each other by the driven cam, and a disconnected state. Also provided are a rotation transmission state switching device having a first member and a second member coaxially arranged, and a mode selecting part configured to rotate or displace in the axial direction according to rotation of the drive cam. The rotation transmission state switching device has at least one mode of a free mode and a lock mode of the first member and the second member, and a one-way clutch mode.Type: ApplicationFiled: December 11, 2020Publication date: August 25, 2022Applicant: NSK LTD.Inventors: Hirotaka KISHIDA, Ricardo RODRIGUEZ LOPEZ, Seigou URAKAMI, Shohei KANEKO, Akihiro YAMAMOTO
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Patent number: 11415586Abstract: An analysis device includes a guide-in section, a piercing member, an airtight member, a gas introduction member, and a measurement member. The guide-in section is configured to guide a rectangular block shaped analysis kit containing a sample. The piercing member pierces a sealing film at an upper face of a liquid reservoir formed in the analysis kit. The airtight member forms an airtight space against the analysis kit at the periphery of a location pierced by the piercing member. The gas introduction member introduces gas into the airtight space. The measurement member measures a component present in the sample in the analysis kit guided into the guide-in section.Type: GrantFiled: October 26, 2018Date of Patent: August 16, 2022Assignee: ARKRAY, Inc.Inventors: Akihiro Yamamoto, Daisuke Matsumoto, Masao Kawano
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Publication number: 20220252065Abstract: A fluid machine device includes a plurality of fluid machines that discharge a fluid; a worn state detection unit that detects a worn state of the fluid machine; a pressure detection unit that measures a pressure from the fluid machines; and a control unit that controls the plurality of fluid machines. The control unit determines whether or not there is the fluid machine that is worn, and performs control to start operation of the fluid machine that is not worn when the pressure is insufficient.Type: ApplicationFiled: August 27, 2020Publication date: August 11, 2022Inventors: Akihiro YAMAMOTO, Yoshiyuki KANEMOTO
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Publication number: 20220251693Abstract: This hot rolled steel sheet is a hot rolled steel sheet including a base steel sheet and a scale formed on a surface of the base steel sheet, in which the base steel sheet has a predetermined chemical composition, the scale has a layer structure composed of wustite, magnetite, and hematite in order from the base steel sheet side or a layer structure composed of the wustite and the magnetite in order from the base steel sheet side, and, when a thickness of the scale is represented by s, a thickness of the hematite is represented by h, and a thickness of the magnetite is represented by m, the s, the h, and the m satisfy formula (1) and formula (2). (h+m)/s<0.Type: ApplicationFiled: June 15, 2020Publication date: August 11, 2022Applicant: NIPPON STEEL CORPORATIONInventors: Mutsumi SAKAKIBARA, Akifumi SAKAKIBARA, Tetsu ASATO, Akihiro YAMAMOTO
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Patent number: 11401934Abstract: An object of the present invention is to provide a rotary displacement compressor capable of determining whether a check valve has failed, and preventing the life of a compressor body from being reduced when a compression operation stops. In order to achieve the object, a rotary displacement compressor includes a compressor body that compresses a medium by reducing a volume of the medium using rotation; a discharge pipe through which a compressed medium, which is discharged through a discharge port of the compressor body, flows; a check valve that shuts off the compressed medium flowing backward to the compressor body; and a backflow control valve that allows a predetermined rate of the compressed medium to flow backward. The check valve and the backflow control valve are disposed in series via the discharge pipe.Type: GrantFiled: January 31, 2017Date of Patent: August 2, 2022Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Fuminori Kato, Yoshiyuki Kanemoto, Hiroaki Saito, Akihiro Yamamoto
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Patent number: 11378960Abstract: A mobile entity includes: a position decision unit configured to determine a position of itself; an environment information acquisition unit configured to acquire environment information at the position; and a motion determination unit configured to determine whether a motion scheduled to be performed holds based on the environment information. The environment information includes at least one of environment information related to a vocal apparatus and environment information related to a display device.Type: GrantFiled: October 26, 2018Date of Patent: July 5, 2022Assignee: Hitachi, Ltd.Inventors: Akihiro Yamamoto, Ryosuke Nakamura, Azusa Amino, Taishi Ueda
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Publication number: 20220153972Abstract: [Object] An object of the present invention is to provide a thermoplastic elastomer composition with excellent heat aging resistance and also excellent hardness and mechanical properties as well as excellent moldability. [Solution] A thermoplastic elastomer composition (I) including a cross-linked product of an ethylene.?-olefin.nonconjugated polyene copolymer (A) with a phenolic resin cross-linking agent (E), and 360 to 460 parts by mass of a crystalline polyolefin (B), 70 to 140 parts by mass of a softener (C), and 2 to 6 parts by mass of a lubricant (D) (provided that the amount of the copolymer (A) is 100 parts by mass).Type: ApplicationFiled: March 16, 2020Publication date: May 19, 2022Applicant: MITSUI CHEMICALS, INC.Inventors: Yasuhiro SHIBATA, Yusuke YODA, Kakeru CHIGAMA, Akihiro YAMAMOTO
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Patent number: 11327006Abstract: An analysis device includes a guide-in section, a placement section, an illumination member, a pressing member, and a measurement member. The guide-in section is configured to guide a rectangular block shaped analysis kit containing a sample. The analysis kit is placed on the placement section in the guide-in section. The illumination member is inserted into an insertion hole formed in the analysis kit, contacts a bottom of the insertion hole, and illuminates light onto the sample. The pressing member is configured by a separate body to the illumination member and presses the analysis kit such that the analysis kit placed on the placement section is sandwiched between the pressing member and the placement section and retained at a predetermined position. The measurement section measures a component present in the sample using light illuminated from the illumination member onto the sample in the analysis kit placed on the placement section.Type: GrantFiled: October 26, 2018Date of Patent: May 10, 2022Assignee: ARKRAY, Inc.Inventors: Akihiro Yamamoto, Naoto Shichi