Patents by Inventor Yusuke Oota
Yusuke Oota 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: 10962111Abstract: A controller changes a shift line of the continuously variable transmission to a high rotation side when execution of automatic brake is detected during sailing stop which stops the engine while driving the vehicle.Type: GrantFiled: April 12, 2017Date of Patent: March 30, 2021Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.Inventor: Yusuke Oota
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Publication number: 20200318736Abstract: A controller changes a shift line of the continuously variable transmission to a high rotation side when execution of automatic brake is detected during sailing stop which stops the engine while driving the vehicle.Type: ApplicationFiled: April 12, 2017Publication date: October 8, 2020Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.Inventor: Yusuke OOTA
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Patent number: 10724627Abstract: A control device for a vehicle is provided, which vehicle includes a driving source, a driven machine driven by the driving source, and an automatic transmission having a torque converter provided downstream of the driving source in a power transmission path and having a lockup clutch, and an engaging element provided downstream of the torque converter in the power transmission path. The device includes a control unit adapted to engage the engaging element in a state where the lockup clutch is engaged if a brake pedal is stepped on during neutral running control in which the automatic transmission is brought into a power shut-off state during running of the vehicle.Type: GrantFiled: January 27, 2017Date of Patent: July 28, 2020Assignee: JATCO LTDInventors: Yusuke Oota, Yoshimasa Nishihiro
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Patent number: 10690239Abstract: A control device for a vehicle is provided, which vehicle includes a driving source, and an automatic transmission having a torque converter provided downstream of the driving source in a power transmission path and having a lockup clutch, and an engaging element provided downstream of the torque converter in the power transmission path. The device includes a control unit which engages the engaging element in a state where the lockup clutch is engaged if an accelerator opening becomes not smaller than a predetermined opening during neutral running control in which the automatic transmission is brought into a power shut-off state during running of the vehicle.Type: GrantFiled: January 27, 2017Date of Patent: June 23, 2020Assignee: JATCO LTDInventors: Yusuke Oota, Yoshimasa Nishihiro
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Patent number: 10661801Abstract: A transmission controller gives an engagement instruction to a forward clutch so that the forward clutch is engaged when a rotation speed of the engine becomes a target engine rotation speed set on the basis at least of a vehicle speed and a speed ratio of a continuously variable transmission after the engine is started, if a cancellation request for a sailing-stop control is made during execution of the sailing-stop control, and the continuously variable transmission is downshifted before the forward clutch is engaged, if the target engine rotation speed when the cancellation request for the sailing-stop control is made is less than a first predetermined value.Type: GrantFiled: July 11, 2017Date of Patent: May 26, 2020Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.Inventors: Yoshimasa Nishihiro, Yusuke Oota, Shintaro Ohshio
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Patent number: 10612656Abstract: A control device of controlling a vehicle that includes an automatic transmission is provided with a control unit. The automatic transmission includes a power transmission mechanism with an engaging element, and a variator connected in series to the power transmission mechanism. The control unit of this device completes engagement of the engaging element after downshifting of the variator is completed when at least an accelerator pedal opening becomes not smaller than a predetermined opening, during neutral running control which brings the power transmission mechanism into a power shut-off state during running of the vehicle.Type: GrantFiled: January 16, 2017Date of Patent: April 7, 2020Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.Inventors: Yusuke Oota, Yoshimasa Nishihiro
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Patent number: 10549757Abstract: A vehicle control device for controlling a vehicle includes a drive source and an automatic transmission connected to the drive source and including a variator. The vehicle control device includes: a first control unit configured to execute a during-travel drive source stop control for stopping the drive source and shifting the automatic transmission in a neutral state if a during-travel drive source stop condition is satisfied; and a second control unit configured to execute a during-travel drive source stop release control for shifting the automatic transmission in a power transmission state via a rotation synchronization control in the automatic transmission set in the neutral state if a during-travel drive source stop release condition is satisfied.Type: GrantFiled: October 18, 2016Date of Patent: February 4, 2020Assignees: JATCO Ltd, NISSAN MOTOR CO., LTD.Inventors: Yoshimasa Nishihiro, Masayoshi Nakasaki, Naoki Kobayashi, Yusuke Oota, Shintaro Ohshio
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Patent number: 10495221Abstract: A control device for a vehicle controlling the vehicle including a driving source and an automatic transmission coupled to the driving source and includes a power transmission mechanism including a forward engaging element. The control device for the vehicle includes a first control unit configured to execute a driving-source-stop-while-traveling control that stops the driving source and brings the automatic transmission into a neutral state when a driving-source-stop-while-traveling condition for stopping the driving source while traveling is satisfied and a second control unit configured to engage the forward engaging element on the basis of input and output rotation speeds of the power transmission mechanism after a driving-source-stop-while-traveling cancellation condition is satisfied.Type: GrantFiled: September 30, 2016Date of Patent: December 3, 2019Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.Inventors: Yoshimasa Nishihiro, Masayoshi Nakasaki, Naoki Kobayashi, Yusuke Oota, Shintaro Ohshio
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Patent number: 10421449Abstract: A controller is a control device for a vehicle including an engine, an automatic transmission, and an oil pump and executes a sailing stop control that stops the engine and brings the automatic transmission into a neutral state when a sailing stop condition is satisfied. The controller cancels the sailing stop control to start the engine when a road inclination becomes larger than a predetermined value during the sailing stop control.Type: GrantFiled: September 27, 2016Date of Patent: September 24, 2019Assignee: JATCO LTDInventors: Yusuke Oota, Yoshimasa Nishihiro, Masayoshi Nakasaki, Naoki Kobayashi
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Publication number: 20190283755Abstract: A transmission controller increases a load applied on an engine when a start condition of a sailing-stop control is met.Type: ApplicationFiled: June 21, 2017Publication date: September 19, 2019Applicant: JATCO LtdInventors: Yoshimasa NISHIHIRO, Yusuke OOTA, Shintaro OHSHIO
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Publication number: 20190225222Abstract: A transmission controller gives an engagement instruction to a forward clutch so that the forward clutch is engaged when a rotation speed of the engine becomes a target engine rotation speed set on the basis at least of a vehicle speed and a speed ratio of a continuously variable transmission after the engine is started, if a cancellation request for a sailing-stop control is made during execution of the sailing-stop control, and the continuously variable transmission is downshifted before the forward clutch is engaged, if the target engine rotation speed when the cancellation request for the sailing-stop control is made is less than a first predetermined value.Type: ApplicationFiled: July 11, 2017Publication date: July 25, 2019Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.Inventors: Yoshimasa NISHIHIRO, Yusuke OOTA, Shintaro OHSHIO
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Publication number: 20190040947Abstract: A control device for a vehicle is provided, which vehicle includes a driving source, and an automatic transmission having a torque converter provided downstream of the driving source in a power transmission path and having a lockup clutch, and an engaging element provided downstream of the torque converter in the power transmission path. The device includes a control unit which engages the engaging element in a state where the lockup clutch is engaged if an accelerator opening becomes not smaller than a predetermined opening during neutral running control in which the automatic transmission is brought into a power shut-off state during running of the vehicle.Type: ApplicationFiled: January 27, 2017Publication date: February 7, 2019Applicant: JATCO LtdInventors: Yusuke OOTA, Yoshimasa NISHIHIRO
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Publication number: 20190032773Abstract: A control device for a vehicle is provided, which vehicle includes a driving source, a driven machine driven by the driving source, and an automatic transmission having a torque converter provided downstream of the driving source in a power transmission path and having a lockup clutch, and an engaging element provided downstream of the torque converter in the power transmission path. The device includes a control unit adapted to engage the engaging element in a state where the lockup clutch is engaged if a brake pedal is stepped on during neutral running control in which the automatic transmission is brought into a power shut-off state during running of the vehicle.Type: ApplicationFiled: January 27, 2017Publication date: January 31, 2019Applicant: JATCO LtdInventors: Yusuke OOTA, Yoshimasa NISHIHIRO
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Publication number: 20190024793Abstract: A control device of controlling a vehicle that includes an automatic transmission is provided with a control unit. The automatic transmission includes a power transmission mechanism with an engaging element, and a variator connected in series to the power transmission mechanism. The control unit of this device completes engagement of the engaging element after downshifting of the variator is completed when at least an accelerator pedal opening becomes not smaller than a predetermined opening, during neutral running control which brings the power transmission mechanism into a power shut-off state during running of the vehicle.Type: ApplicationFiled: January 16, 2017Publication date: January 24, 2019Applicants: JATCO Ltd, Nissan Motor Co., Ltd.Inventors: Yusuke OOTA, Yoshimasa NISHIHIRO
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Publication number: 20180304894Abstract: A vehicle control device for controlling a vehicle includes a drive source and an automatic transmission connected to the drive source and including a variator. The vehicle control device includes: a first control unit configured to execute a during-travel drive source stop control for stopping the drive source and shifting the automatic transmission in a neutral state if a during-travel drive source stop condition is satisfied; and a second control unit configured to execute a during-travel drive source stop release control for shifting the automatic transmission in a power transmission state via a rotation synchronization control in the automatic transmission set in the neutral state if a during-travel drive source stop release condition is satisfied.Type: ApplicationFiled: October 18, 2016Publication date: October 25, 2018Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.Inventors: Yoshimasa NISHIHIRO, Masayoshi NAKASAKI, Naoki KOBAYASHI, Yusuke OOTA, Shintaro OHSHIO
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Publication number: 20180283548Abstract: A control device for a vehicle controlling the vehicle including a driving source and an automatic transmission coupled to the driving source and includes a power transmission mechanism including a forward engaging element. The control device for the vehicle includes a first control unit configured to execute a driving-source-stop-while-traveling control that stops the driving source and brings the automatic transmission into a neutral state when a driving-source-stop-while-traveling condition for stopping the driving source while traveling is satisfied and a second control unit configured to engage the forward engaging element on the basis of input and output rotation speeds of the power transmission mechanism after a driving-source-stop-while-traveling cancellation condition is satisfied.Type: ApplicationFiled: September 30, 2016Publication date: October 4, 2018Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.Inventors: Yoshimasa NISHIHIRO, Masayoshi NAKASAKI, Naoki KOBAYASHI, Yusuke OOTA, Shintaro OHSHIO
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Publication number: 20180244256Abstract: A controller is a control device for a vehicle including an engine, an automatic transmission, and an oil pump and executes a sailing stop control that stops the engine and brings the automatic transmission into a neutral state when a sailing stop condition is satisfied. The controller cancels the sailing stop control to start the engine when a road inclination becomes larger than a predetermined value during the sailing stop control.Type: ApplicationFiled: September 27, 2016Publication date: August 30, 2018Applicant: JATCO LtdInventors: Yusuke OOTA, Yoshimasa NISHIHIRO, Masayoshi NAKASAKI, Naoki KOBAYASHI
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Patent number: 8078908Abstract: An apparatus includes a cache memory for storing user data and control information of the apparatus, a nonvolatile memory and a processor for executing a process including when the power failure occurs, saving the user data and the control information stored in the cache memory into the nonvolatile memory, when the power failure recovers, restoring the data stored in the nonvolatile memory into the cache memory, and erasing the data stored in the nonvolatile memory after restoring the data into the cache memory and when another power failure occurs during erasing the data stored in the nonvolatile memory, erasing the control information stored in the nonvolatile memory if the control information is remained in the nonvolatile memory and saving, into the nonvolatile memory, the updated control information stored in the cache memory and the user data which has been erased from the nonvolatile memory.Type: GrantFiled: May 12, 2010Date of Patent: December 13, 2011Assignee: Fujitsu LimitedInventors: Mihoko Tojo, Hidefumi Kobayashi, Yusuke Oota, Satoshi Hayashi, Keiichi Umezawa
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Publication number: 20100299558Abstract: An apparatus includes a cache memory for storing user data and control information of the apparatus, a nonvolatile memory and a processor for executing a process including when the power failure occurs, saving the user data and the control information stored in the cache memory into the nonvolatile memory, when the power failure recovers, restoring the data stored in the nonvolatile memory into the cache memory, and erasing the data stored in the nonvolatile memory after restoring the data into the cache memory and when another power failure occurs during erasing the data stored in the nonvolatile memory, erasing the control information stored in the nonvolatile memory if the control information is remained in the nonvolatile memory and saving, into the nonvolatile memory, the updated control information stored in the cache memory and the user data which has been erased from the nonvolatile memory.Type: ApplicationFiled: May 12, 2010Publication date: November 25, 2010Applicant: FUJITSU LIMITEDInventors: Mihoko TOJO, Hidefumi Kobayashi, Yusuke Oota, Satoshi Hayashi, Keiichi Umezawa
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Publication number: 20090193158Abstract: A storage system in which a plurality of storage device enclosures having duplicated device controllers are connected through cable connections, the storage system includes a device controller information management section that manages a state of a corresponding device controller in a storage device enclosure as device controller information, and an management section that manages the plurality of storage device enclosures, the overall management section includes an improper connection determination section that determines whether an improper connection in a cable connection between device controllers in the different storage device enclosures exists or not based on a connection state of the device controller according to a connection order of the cables, and based on the device controller information acquired from the device controller information management section corresponding to each of the device controllers.Type: ApplicationFiled: January 29, 2009Publication date: July 30, 2009Applicant: FUJITSU LIMITEDInventors: Naohiro Takeda, Juichi Sakai, Yusuke Oota