Patents by Inventor Takuroh Kamimura
Takuroh Kamimura 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: 11968806Abstract: An electronic apparatus includes: a chassis; first and second heating elements in the chassis; and a cooling module absorbing the heat. The cooling module includes: a first vapor chamber connected to the first heating element; and a second vapor chamber connected to the second heating element. The first and second vapor chambers are placed adjacent to each other with a step therebetween. The first vapor chamber has a bridge that is a part of at least one of the two first metal plates, the bridge straddling the step and extending toward the second vapor chamber to be connected to a surface of the second vapor chamber. The bridge is not provided with the closed space.Type: GrantFiled: June 2, 2022Date of Patent: April 23, 2024Assignee: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Yusuke Onoue, Takuroh Kamimura, Akinori Uchino
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Publication number: 20240121916Abstract: A heat radiation structure includes a mesh that abuts on a surface of a die, and a vapor chamber that interposes the mesh between the surface of the die and the vapor chamber. The mesh includes a heat generation element abutting range portion that is provided at a central portion of the mesh, is impregnated with a liquid metal, and abuts on the surface of the die to receive heat, and a pair of heat generation element non-abutting range portions that continuously extends from both sides of the heat generation element abutting range portion and does not abut on the surface of the die. Each of the pair of heat generation element non-abutting range portions is fixed to the vapor chamber via a sheet material. Each of a pair of the heat generation element non-abutting range portions is interposed between a pair of the sheet materials.Type: ApplicationFiled: September 19, 2023Publication date: April 11, 2024Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Takuroh Kamimura, Ryota Watanabe, Junki Hashiba
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Publication number: 20240061481Abstract: An information processing apparatus includes: a controller that outputs notification information based on input information; and a processor that executes system processing based on an operating system (OS) and operation of thermal control processing by control of a Basic Input Output System (BIOS) using the notification information output from the controller. The controller accepts an operation signal indicative of an operated key according to a user's operation on a keyboard; determines whether the operated key is of a specific combination of keys based on the accepted operation signal; upon making a determination that the operated key is of the specific combination of keys, outputs, to the processor, a result of the determination as the notification information; and without another key being pressed after the result of the determination is output from the controller, the processor executes the thermal control processing based on the result of the determination.Type: ApplicationFiled: October 31, 2023Publication date: February 22, 2024Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Ryota Watanabe, Takuroh Kamimura, Atsunobu Nakamura, Yuichiro Seto, Yusaku Morishige, Ke Ma
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Publication number: 20240038622Abstract: A heat radiation component radiates heat from a GPU that generates heat, and includes a mesh impregnated with a liquid metal, and two film bodies that cover both surfaces of the mesh and have sealed peripheries. An opening is formed in the film body. In the mesh, an exposed portion that is exposed through the opening abuts on a surface of a die of the GPU. In the mesh, the portion exposed through the opening is formed of two layers, a first layer and a second layer. In the mesh, an area of the exposed portion exposed through the opening is smaller than an area of the other portion.Type: ApplicationFiled: July 24, 2023Publication date: February 1, 2024Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Ryota Watanabe, Masahiro Kitamura, Junki Hashiba, Takuroh Kamimura
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Publication number: 20240038710Abstract: A heat radiation structure includes a vapor chamber provided along a surface of a die, a mesh interposed between the die and the vapor chamber, and a liquid metal impregnated in the mesh. In the mesh, a peripheral portion has a higher material density per unit volume than a central portion. In the mesh, the central portion may be formed of a single layer, and the peripheral portion is formed of two layers. The mesh may be a resin material.Type: ApplicationFiled: June 21, 2023Publication date: February 1, 2024Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Junki Hashiba, Takuroh Kamimura, Masahiro Kitamura, Ryota Watanabe
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Publication number: 20240014098Abstract: A heat radiating structure includes a mesh which abuts on a surface of a die of a GPU and a copper plate which is equipped with a recessed part into which the mesh fits and which sandwiches and holds the mesh together with the surface of the die. The mesh includes a heat generating element abutment range part into which a liquid metal is impregnated and which abuts on the surface of the die and receives heat from the die and a heat generating element non-abutment region part which is contiguous to the heat generating element abutment range part and does not abut on the surface of the die. The heat generating element non-abutment range part is fixed to the copper plate with the use of a sponge tape. The heat generating element abutment range part is shaped to protrude from the heat generating element abutment range part.Type: ApplicationFiled: June 12, 2023Publication date: January 11, 2024Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Ryota Watanabe, Junki Hashiba, Masahiro Kitamura, Takuroh Kamimura
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Patent number: 11853136Abstract: An information processing apparatus includes: a controller that outputs notification information based on input information; and a processor that functions as a system processing unit that executes system processing based on an operating system (OS) and a Basic Input Output System (BIOS) processing unit that executes control related to the performance of the system processing by control of a BIOS using the notification information output from the controller.Type: GrantFiled: February 24, 2021Date of Patent: December 26, 2023Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Ryota Watanabe, Takuroh Kamimura, Atsunobu Nakamura, Yuichiro Seto, Yusaku Morishige, Ke Ma
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Publication number: 20230266816Abstract: An information processing apparatus includes: a processor with variable rated power; and a power control unit which controls power consumption of the processor. When processing based on a specific application as an application program to implement a specific function is executed in foreground, the power control unit sets rated power corresponding to at least the specific function.Type: ApplicationFiled: January 26, 2023Publication date: August 24, 2023Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Tsutomu Chonan, Atsunobu Nakamura, Takuroh Kamimura, Hiroki Oda
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Patent number: 11723170Abstract: An electronic apparatus includes a first chassis having a heat generating element, a second chassis, a hinge device that connects the first chassis and the second chassis such that the first chassis and the second chassis can be rotated relative to each other between a 0-degree attitude and a 180-degree attitude, and a display provided across the first chassis and the second chassis. The hinge device has a metal hinge main body, a metal first support plate provided to be relatively movable with respect to the inner surface of the first chassis, and a metal second support plate provided to be relatively movable with respect to the inner surface of the second chassis. The electronic apparatus further includes a flexible heat conductive member in the first chassis. The heat conductive member thermally connects a heat receiving member that receives heat from a heat generating element, and the first support plate.Type: GrantFiled: December 14, 2021Date of Patent: August 8, 2023Assignee: LENOVO (SINGAPORE) PTE. LTD.Inventors: Atsushi Ohyama, Takayuki Morino, Takuroh Kamimura, Akinori Uchino
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Publication number: 20230240047Abstract: A heat dissipation structure, for a heat-generating electric component, includes: a heat dissipator disposed along a surface of the electric component; and a porous material held between the electric component and the heat dissipator. The porous material of the heat dissipation structure is impregnated with heat-transfer fluid. The heat-transfer fluid may include liquid metal.Type: ApplicationFiled: December 12, 2022Publication date: July 27, 2023Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Ryota Watanabe, Masahiro Kitamura, Mizuki Itoyama, Takuroh Kamimura, Junrong Zhou
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Publication number: 20230207419Abstract: A heat dissipation structure of an electric component that generates heat includes: a heat dissipator provided along a surface of the electric component; a liquid metal interposed between the electric component and the heat dissipator; and a fencing body interposed between the electric component and the heat dissipator in a crushed state and surrounding the liquid metal.Type: ApplicationFiled: November 9, 2022Publication date: June 29, 2023Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Masahiro Kitamura, Takuroh Kamimura, Junki Hashiba, Takateru Adachi
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Publication number: 20230124239Abstract: An electronic apparatus includes: a heating element; and a plurality of heat pipes that is thermally connected to the heating element. Each of the heat pipes has a cross section having a rectangular shape, a heat receiving surface thermally connected to the heating element, and a side surface orthogonal to the heat receiving surface. The side surfaces of the heat pipes, which are adjacent to each other, are in surface contact with each other.Type: ApplicationFiled: September 14, 2022Publication date: April 20, 2023Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Masahiro Kitamura, Takuroh Kamimura, Akinori Uchino, Ryota Watanabe
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Publication number: 20230079287Abstract: An electronic apparatus uses the cooling effect of a vapor chamber and includes: a chassis; a motherboard which is provided in the chassis and has a CPU mounted on a front surface thereof; a vapor chamber having a working fluid sealed in a hermetically sealed space formed between two metal plates; a stud fixed to the upper surface of the vapor chamber; and a screw fixing the stud and the motherboard. The CPU is thermally connected to the upper surface of the vapor chamber. The motherboard has a mounting hole formed therein, and the screw is screwed to the stud through the mounting hole from the rear surface of the motherboard. The CPU is rectangular, and four studs and four screws are provided at positions in the vicinity of the four corners of the CPU.Type: ApplicationFiled: July 7, 2022Publication date: March 16, 2023Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Masahiro Kitamura, Yusuke Onoue, Takuroh Kamimura
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Publication number: 20230069684Abstract: An electronic apparatus includes: a chassis; first and second heating elements in the chassis; and a cooling module absorbing the heat. The cooling module includes: a first vapor chamber connected to the first heating element; and a second vapor chamber connected to the second heating element. The first and second vapor chambers are placed adjacent to each other with a step therebetween. The first vapor chamber has a bridge that is a part of at least one of the two first metal plates, the bridge straddling the step and extending toward the second vapor chamber to be connected to a surface of the second vapor chamber. The bridge is not provided with the closed space.Type: ApplicationFiled: June 2, 2022Publication date: March 2, 2023Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Yusuke Onoue, Takuroh Kamimura, Akinori Uchino
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Patent number: 11586263Abstract: An information processing apparatus includes a processor that can take plural power control modes different in rated power from one another, a fan that rotates to dissipate heat generated by the processor, and a power control unit that controls the power consumption of the processor. The plural power control modes include two or more stages of dynamic control modes different in rated power from one another and a unified communication mode. The power control unit selects any one of the dynamic control modes based on an event in which a power consumption state of the processor continues for a predetermined duration or more, and when the unified communication works, the power control unit preferentially selects the unified communication mode.Type: GrantFiled: September 30, 2021Date of Patent: February 21, 2023Assignee: LENOVO (SINGAPORE) PTE. LTD.Inventors: Atsunobu Nakamura, Takuroh Kamimura, Akinori Uchino
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Patent number: 11582882Abstract: An information processing apparatus includes: a first chassis having a first surface provided with at least an air intake port; a second chassis which is connected to the first chassis in a relatively rotatable manner and has a second surface that overlaps the first surface of the first chassis by the rotation; a heat dissipation unit having a fan for replacing air in the first chassis with outside air through at least the air intake port; a state detection unit that detects whether a state is a first state in which the first surface and the second surface overlap; and a control unit which changes control of the fan according to whether the state is the first state.Type: GrantFiled: September 13, 2021Date of Patent: February 14, 2023Assignee: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Shogo Akiyama, Takuroh Kamimura, Atsunobu Nakamura
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Patent number: 11579676Abstract: Systems, apparatus, and methods that control power consumption in a processor are disclosed. One system apparatus, and method includes a processor that operates in at least a first power control mode including a first power amount and a second power control mode including a second power amount lower than the first power amount and a power control device. The power control device is configured to control power consumption in the processor, change a power control mode of the processor to the first power control mode in response to a first excess time period in which the power consumption of the processor exceeds a first reference power for a first period of time, and change the power control mode of the processor to the second power control mode in response to a second period of time in which the power consumption is less than or equal to a second reference power.Type: GrantFiled: July 27, 2020Date of Patent: February 14, 2023Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Atsunobu Nakamura, Takuroh Kamimura, Hajime Yoshizawa
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Patent number: 11547017Abstract: A cooling module reduces the number of parts and achieves weight reduction. An electronic apparatus includes: the cooling module; a chassis; first and second heating elements provided inside the chassis; and a cooling module configured to absorb heat generated by the first and second heating elements. The cooling module includes: a vapor chamber in which a sealed space is formed in a portion sandwiched between first and second metal plates and working fluid is sealed in the sealed space, the second metal plate having an outer shape larger than that of the first metal plate; a metal frame formed in a portion of the second metal plate, the portion of the second metal plate protruding from the outer shape of the first metal plate; and a heat conduction plate supported by the metal frame, the heat conduction plate containing graphene.Type: GrantFiled: June 25, 2021Date of Patent: January 3, 2023Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Akinori Uchino, Takuroh Kamimura, Hiroshi Yamazaki, Masayuki Amano
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Patent number: 11507176Abstract: An information processing apparatus includes a first processor that takes plural stages of first power control modes different in first rated power from one another, a second processor that takes plural stages of second power control modes different in second rated power from one another, and a power control unit controls the power consumption of the first processor and the power consumption of the second processor. The power control unit determines a second power control mode based on a first event in which a predetermined state of the first processor continues for a first duration or more, and a second event in which a predetermined state of the second processor continues for a second duration or more.Type: GrantFiled: July 22, 2021Date of Patent: November 22, 2022Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Atsunobu Nakamura, Tsutomu Chonan, Takuroh Kamimura, Masahiro Kitamura
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Publication number: 20220326750Abstract: An information processing apparatus includes a processor that can take plural power control modes different in rated power from one another, a fan that rotates to dissipate heat generated by the processor, and a power control unit that controls the power consumption of the processor. The plural power control modes include two or more stages of dynamic control modes different in rated power from one another and a unified communication mode. The power control unit selects any one of the dynamic control modes based on an event in which a power consumption state of the processor continues for a predetermined duration or more, and when the unified communication works, the power control unit preferentially selects the unified communication mode.Type: ApplicationFiled: September 30, 2021Publication date: October 13, 2022Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Atsunobu Nakamura, Takuroh Kamimura, Akinori Uchino