Patents by Inventor Hitoshi Kubota
Hitoshi Kubota 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: 20240126176Abstract: A spatial light modulation unit is used in an exposure apparatus that exposes an exposure pattern onto a photosensitive substrate while moving the photosensitive substrate in a scan direction. The spatial light modulation unit includes: a spatial light modulator having a plurality of elements; a controller that controls the plurality of elements in accordance with the exposure pattern; and a SLM substrate on which the spatial light modulator and the controller are provided. The controller is arranged side by side in the scan direction with respect to the spatial light modulator.Type: ApplicationFiled: December 22, 2023Publication date: April 18, 2024Applicant: NIKON CORPORATIONInventors: Yasuhito KUBOTA, Yasushi MIZUNO, Masaki KATO, Masaki NISHIMURA, Hitoshi MIZUNO
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Patent number: 11561490Abstract: An image forming apparatus includes an image forming portion, an intermediary transfer unit mountable in and dismountable from a main assembly and including a belt onto which the toner image is transferred from an image bearing member, a cleaning unit mountable to and dismountable from the intermediary transfer unit and including a cleaning member for cleaning a surface of the belt, a fuse provided on the cleaning unit and and being rendered non-conductible by energization, a detecting portion for detecting whether or not a current has flowed through the fuse, and a controller for controlling the image forming portion so as to carry out an operation in which, in a case that the detecting portion detects that the current has flowed through the fuse, a predetermined toner image is formed on the belt and is supplied to a contact portion between the cleaning member and the belt.Type: GrantFiled: September 2, 2021Date of Patent: January 24, 2023Assignee: Canon Kabushiki KaishaInventor: Hitoshi Kubota
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Publication number: 20220222564Abstract: The present invention addresses the problem of providing a quantum bit cell and a quantum bit integrated circuit having an easy-to-integrate structure. The quantum bit cell of the present invention including a spin torque oscillator capable of emitting a microwave with a propagation distance of 1 ?m or less and having a maximum diameter of 1 ?m or less, and a solid-state element quantum bit arranged near the spin torque oscillator at an interval of the propagation distance or less, where a quantum two-level system is controlled by the microwave.Type: ApplicationFiled: April 14, 2020Publication date: July 14, 2022Inventors: Hitoshi Kubota, Shingo Tamaru, Akio Fukushima, Takahiro Mori, Takashi Matsukawa
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Publication number: 20220082962Abstract: An image forming apparatus includes an image forming portion, an intermediary transfer unit mountable in and dismountable from a main assembly and including a belt onto which the toner image is transferred from the image bearing member, a cleaning unit mountable to and dismountable from the intermediary transfer unit and including a cleaning member for cleaning a surface of the belt, a fuse provided on the cleaning unit and for cutting off conduction by energization, a detecting portion for detecting whether or not a current flowed through the fuse, and a controller for controlling the image forming portion so as to carry out an operation in which in a case that the detecting portion detects that the current flowed through the fuse, a predetermined toner image is formed on the belt and is supplied to a contact portion between the cleaning member and the belt.Type: ApplicationFiled: September 2, 2021Publication date: March 17, 2022Inventor: Hitoshi Kubota
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Patent number: 11022915Abstract: An image forming apparatus includes a belt unit including an endless belt, a supporting unit and a steering unit, and further includes a cleaning unit, a receiving opening and a communicating portion. The communicating portion includes a tube-shaped portion constituted by a bellows-shaped elastic member capable of expansion and contraction with movement of the steering unit.Type: GrantFiled: May 30, 2019Date of Patent: June 1, 2021Assignee: Canon Kabushiki KaishaInventors: Hitoshi Kubota, Yasuhiro Shimoi, Hiroki Takayama
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Publication number: 20200327459Abstract: A ride reservation user support apparatus includes a reservation information acquirer, a location information acquirer, a route information acquirer, a route deviation detector and a notification provider. The reservation information acquirer acquires ride reservation information for identifying a device of a user and a scheduled boarding location where the user boards a vehicle. The location information acquirer acquires location information of the device. The route information acquirer acquires route information that indicates a predicted route, which is predicted to be used by the user, from a location indicated by the location information to the scheduled boarding location. The route deviation detector determines whether the device deviates from the predicted route based on the location information and the route information. The notification provider causes the device to provide a notification to the user in a case where the device deviates from the predicted route.Type: ApplicationFiled: April 3, 2020Publication date: October 15, 2020Applicant: SUZUKI MOTOR CORPORATIONInventors: Akira AKITA, Hitoshi KUBOTA, Atsuto SUYAMA
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Publication number: 20190369530Abstract: An image forming apparatus includes a belt unit including an endless belt, a supporting unit and a steering unit, and includes a cleaning unit, a receiving opening and a communicating portion. The communicating portion includes a tube-shaped portion constituted by a bellows-shaped elastic member capable of expansion and contraction with movement of the steering unit.Type: ApplicationFiled: May 30, 2019Publication date: December 5, 2019Inventors: Hitoshi Kubota, Yasuhiro Shimoi, Hiroki Takayama
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Patent number: 10429772Abstract: A belt unit removably attached to an apparatus body includes a cleaning unit configured to clean a belt, and a sheet metal configured to hold a blade for cleaning the belt is fixed to the cleaning unit. The sheet metal is in contact with a supporting portion of the apparatus body, whereby vibrations of the sheet metal is reduced.Type: GrantFiled: March 1, 2018Date of Patent: October 1, 2019Assignee: Canon Kabushiki KaishaInventor: Hitoshi Kubota
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Patent number: 10432144Abstract: A high-frequency phase-locked oscillation circuit having an extremely narrow peak width and a stable frequency so that a high-frequency wave that is oscillated by the MR element solves a problem of a large peak width of oscillation spectrum. The high-frequency phase-locked oscillation circuit includes a magnetoresistive element that oscillates a high-frequency wave with an oscillating frequency; a reference signal source that outputs a reference signal with a reference frequency; a phase-locked loop circuit having a phase comparator, a loop filter, and a frequency divider; an adder that adds a phase error signal output from the loop filter and a bias voltage for oscillating the high-frequency wave from the magnetoresistive element, and that inputs an added bias voltage to the magnetoresistive element; and a filter provided between the frequency divider and the magnetoresistive element.Type: GrantFiled: April 27, 2016Date of Patent: October 1, 2019Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Shingo Tamaru, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa
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Patent number: 10423095Abstract: A developing apparatus includes a developer bearing member bearing and feeding developer including toner and carrier, a first feeding screw arranged in a first chamber and feeding the developer in a first direction, and a second feeding screw arranged in a second chamber and including a first blade portion feeding the developer in a second direction, a second blade portion arranged downstream of the first blade portion and feeding the developer in the first direction, and a third blade portion arranged downstream of the second blade portion. A sealing sheet is arranged upstream of a developer discharging portion and seals initial developer contained in a developing container; and an unsealing mechanism unseals the sealing sheet sealing the initial developer, wherein the sealing sheet is arranged downstream of the second blade portion and upstream of the third blade portion in the second direction.Type: GrantFiled: November 30, 2017Date of Patent: September 24, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Masafumi Takahashi, Hitoshi Kubota, Yohei Gamo
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Publication number: 20180302035Abstract: The present invention provides a high-frequency phase-locked oscillation circuit having an extremely narrow peak width and a stable frequency so that a high-frequency wave that is oscillated by the MR element solves a problem of a large peak width of oscillation spectrum.Type: ApplicationFiled: April 27, 2016Publication date: October 18, 2018Inventors: Shingo Tamaru, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa
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Publication number: 20180253037Abstract: A belt unit removably attached to an apparatus body includes a cleaning unit configured to clean a belt, and a sheet metal configured to hold a blade for cleaning the belt is fixed to the cleaning unit. The sheet metal is in contact with a supporting portion of the apparatus body, whereby vibrations of the sheet metal is reduced.Type: ApplicationFiled: March 1, 2018Publication date: September 6, 2018Inventor: Hitoshi Kubota
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Publication number: 20180164714Abstract: This invention provides a developing apparatus including: first and second chambers containing developer and configured to form a circulation path of the developer; a first feeding member arranged in the first chamber and feeding the developer in a first direction; a second feeding member arranged in the second chamber and feeding the developer in a second direction opposite to the first direction; first and second communication parts through which the developer is transferred; a feeding path having a discharging port and communicating with the first chamber on a downstream side relative to the first communication part in the first direction to feed the developer toward the discharging port; a sealing part sealing the developer; a feeding path sealing part sealing the feeding path on an upstream side relative to the discharging port in the first direction; and an unsealing mechanism receiving a driving force and unsealing the sealing part.Type: ApplicationFiled: November 30, 2017Publication date: June 14, 2018Inventors: Masafumi Takahashi, Hitoshi Kubota, Yohei Gamo
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Patent number: 9645543Abstract: A cleaning device includes a cleaning member including a cleaning blade and a supporting plate for supporting the cleaning blade; a frame; first and second fixing portions, provided on the frame, for fixing the supporting plate in one end side and the other end side with respect to a longitudinal direction of the cleaning blade; a recessed portion provided on the frame at a position between the first and second fixing portions with respect to the longitudinal direction and recessed more than the first and second fixing portions in a direction away from the supporting plate; and a sealing material, applied onto the recessed portion within a range of the first and second fixing portions with respect to a perpendicular direction to the longitudinal direction, for sealing between the supporting plate fixed on the first and second fixing portions and the recessed portion.Type: GrantFiled: January 13, 2016Date of Patent: May 9, 2017Assignee: Canon Kabushiki KaishaInventors: Hitoshi Kubota, Hiromasa Katayama
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Patent number: 9620189Abstract: A magnetic memory according to an embodiment includes at least one MTJ element, the MTJ element including: a magnetic multilayer structure including a first magnetic layer in which a direction of magnetization is fixed, a second magnetic layer in which a direction of magnetization is changeable, and a tunnel barrier layer located between the first and second magnetic layers; a first electrode provided on a first surface of the magnetic multilayer structure; a second electrode provided on a second surface of the magnetic multilayer structure; an insulating film provided on a side surface of the magnetic multilayer structure; and a control electrode provided on the side surface of the magnetic multilayer structure with the insulating film located therebetween, a voltage being applied to the control electrode in a read operation, which increases an energy barrier for changing the magnetization of the second magnetic layer.Type: GrantFiled: November 20, 2015Date of Patent: April 11, 2017Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Naoharu Shimomura, Eiji Kitagawa, Minoru Amano, Daisuke Saida, Kay Yakushiji, Takayuki Nozaki, Shinji Yuasa, Akio Fukushima, Hiroshi Imamura, Hitoshi Kubota
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Patent number: 9559963Abstract: A communication system according to the present invention includes a plurality of ad hoc communication networks each formed by one or more communication units and one gateway and includes a monitoring server that monitors the ad hoc communication networks. The monitoring server determines on the basis of a monitoring result of load states of the gateways and a monitoring result of a congestion state of radio traffic whether it is necessary to carry out load distribution control for moving a communication unit subordinate to a first gateway to be subordinate to a second gateway set around the first gateway and, when determining that it is necessary to carry out the load distribution control, instructs at least one gateway of the first gateway and the second gateway to broadcast-deliver a signal including control information and instructing reselection of a gateway set as a participation destination.Type: GrantFiled: December 20, 2011Date of Patent: January 31, 2017Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Tsuyoshi Mikoda, Hitoshi Kubota, Toshihiro Inoue, Mitsunobu Abe
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Publication number: 20170022633Abstract: In particular, an object is to show a modified cross-section fiber that is split and used and thus can efficiently produce a fine conjugate fiber. The present disclosure relates to a modified cross-section fiber comprising: (1) a plurality of pieces of conjugate fiber structures comprising a first thermoplastic resin and a second thermoplastic resin having a lower melting or softening point than the first thermoplastic resin and (2) a connected body comprising a third thermoplastic resin having a higher melting or softening point than the second thermoplastic resin, wherein, in an arbitrary fiber cross-section, at least two pieces of the conjugated fiber structure are connected by the connected body.Type: ApplicationFiled: March 30, 2015Publication date: January 26, 2017Applicants: ES FiberVisions CO., LTD., ES FiberVisions Hong Kong Limited, ES FiberVisions LP, ES FiberVisions ApSInventor: Hitoshi Kubota
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Patent number: 9536477Abstract: There is provided a display control device including a determination unit configured to determine a type of input information, and a display controller configured to switch modes of a display unit capable of being switched to a mirror surface mode and a display mode in accordance with a result of determination by the determination unit.Type: GrantFiled: November 20, 2013Date of Patent: January 3, 2017Assignee: SONY CORPORATIONInventors: Yoichiro Sako, Etsuko Nakamura, Tsuyoshi Ito, Hitoshi Kubota, Tsuyoshi Nagata, Akira Tange, Masashi Takeda
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Patent number: 9437810Abstract: According to one embodiment, a magnetoresistive element includes a first magnetic layer having a variable magnetization direction; a second magnetic layer having an invariable magnetization direction; and a tunnel barrier layer provided between the first magnetic layer and the second magnetic layer and including an MgFeO film, wherein the MgFeO film contains at least one element selected from a group consisting of Ti, V, Mn, and Cu.Type: GrantFiled: February 28, 2014Date of Patent: September 6, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Eiji Kitagawa, Takao Ochiai, Kay Yakushiji, Makoto Konoto, Hitoshi Kubota, Shinji Yuasa, Takayuki Nozaki, Akio Fukushima
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Patent number: 9436053Abstract: Provided is a display unit that includes: a pair of a first substrate and a second substrate that are arranged in opposition to each other; a display layer provided between the first substrate and the second substrate; and a display mode switching layer having an aperture for each pixel, and provided between the display layer and the second substrate.Type: GrantFiled: May 29, 2014Date of Patent: September 6, 2016Assignee: Joled Inc.Inventors: Mikihiro Yokozeki, Manabu Kodate, Shuichi Shima, Tsuyoshi Ito, Hitoshi Kubota, Etsuko Nakamura