Patents by Inventor Yuji Inoue
Yuji Inoue 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: 11305320Abstract: A method for producing a seamless metal pipe includes the steps of: preparing a billet having a diameter (B); heating the billet; forming, in a center part of a rear end of the heated billet, a hole including four grooves extending in an axial direction of the billet, the grooves each having a groove width (D) satisfying Formula (1), a groove height (H) satisfying Formula (2), and a groove depth (L1) satisfying Formula (3); and subjecting the billet provided with the hole to piercing-rolling from a front end thereof by means of a piercing machine. By this means, the generation of burrs and internal defects at the rear end of a hollow shell after piercing-rolling can be suppressed. 0.12?D/B?0.25??(1) 0.10?H/B?0.20??(2) 0.05?L1/B?0.Type: GrantFiled: June 8, 2018Date of Patent: April 19, 2022Assignee: Nippon Steel CorporationInventors: Kouji Yamane, Kazuhiro Shimoda, Yuji Inoue, Shusuke Shimooka, Yuichi Yamanari
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Patent number: 11254579Abstract: Efficiency of producing polycrystalline silicon is improved. A silicon filament (11) is constituted by a rod-shaped member made of polycrystalline silicon. The polycrystalline silicon has an interstitial oxygen concentration of not less than 10 ppma and not more than 40 ppma. On a side surface, in a lengthwise direction, of the rod-shaped member, crystal grains each having a crystal grain size of not less than 1 mm are observed.Type: GrantFiled: February 14, 2018Date of Patent: February 22, 2022Assignee: TOKUYAMA CORPORATIONInventors: Masayoshi Nishikawa, Yuji Inoue
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Patent number: 10816084Abstract: A vehicle power transmission device includes: a differential mechanism and provided with a through-hole in an outer circumferential surface, a pair of pinion gears respectively fitted to both ends of a pinion shaft, and a pair of side gears rotatably supported by the differential case and meshed with the pinion gears; and a baffle plate that includes an oil passage component functioning as an oil passage for supplying a lubricating oil for lubricating the pinion gears and the side gears and that is fixedly disposed to cover an outer circumference of the differential case. The oil passage component is provided with an opening portion allowing the lubricating oil in the oil passage to flow out downward, and the opening portion is disposed above the pinion shaft and between a pair of inner-circumferential-side end surfaces of the pair of the pinion gears when the pinion shaft is horizontal.Type: GrantFiled: August 21, 2018Date of Patent: October 27, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryohei Imanishi, Hirofumi Fujita, Yuji Inoue
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Patent number: 10818177Abstract: A control unit (3) determines whether a host vehicle has deviated from the lane of a scheduled travel route using information acquired by an information acquiring unit (2). A notification unit (4) notifies a driver of the host vehicle of the lane deviation of the host vehicle. A wireless communication unit (5) transmits lane deviation information indicating the lane deviation of the host vehicle to another vehicle.Type: GrantFiled: July 12, 2017Date of Patent: October 27, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Sunao Sakaguchi, Yuji Inoue
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Patent number: 10799945Abstract: A die casting apparatus according to an aspect of the present disclosure includes a sleeve 30 to which molten metal is supplied, and dies 10 and 20 configured to form a cavity C, in which the molten metal supplied to the sleeve 30 is injected into the cavity C through a runner R linking the sleeve 30 with the cavity C. A plurality of protrusions 22 are provided in the runner R, the plurality of protrusions 22 extending in a direction in which the molten metal flows and being arranged in a comb-teeth arrangement in a width direction of the runner R.Type: GrantFiled: May 8, 2019Date of Patent: October 13, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyoshi Nakano, Yuji Inoue, Shingo Ogura, Yuta Tanaka, Toshimitsu Yamada, Yutaka Yoshida
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Publication number: 20200156132Abstract: A method for producing a seamless metal pipe includes the steps of: preparing a billet having a diameter (B); heating the billet; forming, in a center part of a rear end of the heated billet, a hole including four grooves extending in an axial direction of the billet, the grooves each having a groove width (D) satisfying Formula (1), a groove height (H) satisfying Formula (2), and a groove depth (L1) satisfying Formula (3); and subjecting the billet provided with the hole to piercing-rolling from a front end thereof by means of a piercing machine. By this means, the generation of burrs and internal defects at the rear end of a hollow shell after piercing-rolling can be suppressed. 0.12?D/B?0.25 ??(1) 0.10?H/B?0.20 ??(2) 0.05?L1/B?0.Type: ApplicationFiled: June 8, 2018Publication date: May 21, 2020Inventors: Kouji Yamane, Kazuhiro Shimoda, Yuji Inoue, Shusuke Shimooka, Yuichi Yamanari
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Publication number: 20200094732Abstract: A travel assistance device is a travel assistance device for assisting traveling of a subsequent vehicle following a vehicle group in the form of vehicle platooning in a last vehicle of a plurality of vehicles included in the vehicle group, including: an information acquiring unit for acquiring information indicating right/left turning vehicles that turn right or left at an intersection among the vehicles and information indicating deceleration timing of a first vehicle from front among the right/left turning vehicles; and a direction indicator controlling unit for turning on a direction indicator of the last vehicle at the deceleration timing of the foremost right/left turning vehicle.Type: ApplicationFiled: July 14, 2017Publication date: March 26, 2020Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki ONISHI, Yuji INOUE
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Publication number: 20200090514Abstract: A control unit (3) determines whether a host vehicle has deviated from the lane of a scheduled travel route using information acquired by an information acquiring unit (2). A notification unit (4) notifies a driver of the host vehicle of the lane deviation of the host vehicle. A wireless communication unit (5) transmits lane deviation information indicating the lane deviation of the host vehicle to another vehicle.Type: ApplicationFiled: July 12, 2017Publication date: March 19, 2020Applicant: Mitsubishi Electric CorporationInventors: Sunao SAKAGUCHI, Yuji INOUE
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Patent number: 10539071Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.Type: GrantFiled: January 11, 2019Date of Patent: January 21, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
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Publication number: 20200001357Abstract: A die casting apparatus according to an aspect of the present disclosure includes a sleeve 30 to which molten metal is supplied, and dies 10 and 20 configured to form a cavity C, in which the molten metal supplied to the sleeve 30 is injected into the cavity C through a runner R linking the sleeve 30 with the cavity C. A plurality of protrusions 22 are provided in the runner R, the plurality of protrusions 22 extending in a direction in which the molten metal flows and being arranged in a comb-teeth arrangement in a width direction of the runner R.Type: ApplicationFiled: May 8, 2019Publication date: January 2, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyoshi NAKANO, Yuji INOUE, Shingo OGURA, Yuta TANAKA, Toshimitsu YAMADA, Yutaka YOSHIDA
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Publication number: 20200002178Abstract: Efficiency of producing polycrystalline silicon is improved. A silicon filament (11) is constituted by a rod-shaped member made of polycrystalline silicon. The polycrystalline silicon has an interstitial oxygen concentration of not less than 10 ppma and not more than 40 ppma. On a side surface, in a lengthwise direction, of the rod-shaped member, crystal grains each having a crystal grain size of not less than 1 mm are observed.Type: ApplicationFiled: February 14, 2018Publication date: January 2, 2020Inventors: Masayoshi NISHIKAWA, Yuji INOUE
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Publication number: 20190145312Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.Type: ApplicationFiled: January 11, 2019Publication date: May 16, 2019Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio IWASE, Daiki SUYAMA, Naoya JINNAI, Kensuke WADA, Yuji INOUE, Yukihiko IDESHIO
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Patent number: 10267218Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.Type: GrantFiled: September 15, 2017Date of Patent: April 23, 2019Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
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Publication number: 20190056025Abstract: A vehicle power transmission device includes: a differential mechanism and provided with a through-hole in an outer circumferential surface, a pair of pinion gears respectively fitted to both ends of a pinion shaft, and a pair of side gears rotatably supported by the differential case and meshed with the pinion gears; and a baffle plate that includes an oil passage component functioning as an oil passage for supplying a lubricating oil for lubricating the pinion gears and the side gears and that is fixedly disposed to cover an outer circumference of the differential case. The oil passage component is provided with an opening portion allowing the lubricating oil in the oil passage to flow out downward, and the opening portion is disposed above the pinion shaft and between a pair of inner-circumferential-side end surfaces of the pair of the pinion gears when the pinion shaft is horizontal.Type: ApplicationFiled: August 21, 2018Publication date: February 21, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryohei IMANISHI, Hirofumi FUJITA, Yuji INOUE
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Patent number: 9878605Abstract: A power transmission system (10) for a hybrid vehicle, the power transmission system (10) includes a transmission (TM, 20), a clutch (18), a motor (MG), an engine (14), a first oil pump (44), a second oil pump (68), a first hydraulic circuit in which the first oil pump (44) is provided, and a second hydraulic circuit in which the second oil pump (68) is provided. The motor (MG) is connected to a driving wheel (26) through the transmission (TM, 20). The engine (14) is connected to the motor (MG) through the clutch (28). The first oil pump (44) supplies oil to the transmission (20). The second oil pump (68) supplies oil to the motor (MG) and the clutch (28). The second hydraulic circuit is independent from the first hydraulic circuit. Selected drawing.Type: GrantFiled: March 13, 2014Date of Patent: January 30, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Yuji Inoue, Yukihiko Ideshio, Yousuke Michikoshi, Daiki Suyama, Naoya Jinnai, Kensuke Wada
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Publication number: 20180023179Abstract: A method for producing a plug includes: a step of preparing a plug base metal having a concave portion along a circumferential direction in an outer peripheral surface; and an arc spraying step of spraying a spraying wire rod material onto the outer peripheral surface of the plug base metal by arc spraying to form films containing Fe and Fe oxides on the outer peripheral surface of the plug base metal. The arc spraying step includes: a separating step of separating the outer peripheral surface of the plug base metal into a plurality of regions along an axial direction; and a step of performing arc spraying separately in each of the regions. In the separating step, a boundary between the regions is set at the concave portion. In this way, peeling of films at a connecting portion is prevented, and the lifetime of the plug can be increased.Type: ApplicationFiled: November 18, 2015Publication date: January 25, 2018Inventors: Kazuhiro Shimoda, Kouji Yamane, Yasuto Higashida, Yasuyoshi Hidaka, Yuji Inoue, Shusuke Shimooka
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Publication number: 20180003107Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.Type: ApplicationFiled: September 15, 2017Publication date: January 4, 2018Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio IWASE, Daiki SUYAMA, Naoya JINNAI, Kensuke WADA, Yuji INOUE, Yukihiko IDESHIO
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Patent number: 9842503Abstract: An object of the present invention is to provide a technique which can enhance a possibility of giving notice of only a detected object in a dead angle area which is significant for a user. A controller causes a notification unit, in a first vehicle, to give notice of a detected object, which is determined to have an influence on a traveling of the first vehicle in a dead angle point which the first vehicle travels from among the detected object which is not detected by the first vehicle but detected by the second vehicle, as a travel influencing object based on a route information of the first vehicle, a current position information of the first vehicle, and a detected object information of the first vehicle and a second vehicle which are obtained by the information receiver.Type: GrantFiled: July 28, 2014Date of Patent: December 12, 2017Assignee: Mitsubishi Electric CorporationInventor: Yuji Inoue
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Patent number: 9797305Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.Type: GrantFiled: June 27, 2014Date of Patent: October 24, 2017Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
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Patent number: 9772019Abstract: A fluid transmission device for a vehicle includes a cover and a positioning member. The cover is configured to be driven rotatably about the axis of the fluid transmission device integrally with a drive plate. The drive plate includes a positioning hole that positions the drive plate and the cover. The positioning member is a columnar member. The positioning member is provided on the surface side of the cover, which is opposed to the drive plate, at a radially outer position of the cover. The positioning member protrudes to a drive-plate side in a state where the positioning member is arranged in the positioning hole. The positioning member protrudes from the drive plate obliquely with respect to the axis direction of the fluid transmission device. A radially outermost position of the positioning member is located on the radially inner side relative to a radially outermost position of the cover.Type: GrantFiled: October 17, 2014Date of Patent: September 26, 2017Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Yukihiko Ideshio, Yuji Inoue, Minoru Abe