Patents by Inventor Masashi Ito
Masashi Ito 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: 20250111968Abstract: A soft magnetic metal powder includes soft magnetic metal particles with a particle size of 5.0 ?m or more. (y95/y50?y90/y50)/(0.95?0.90) is 20.0 or less, where y95 (?m) denotes D95, y90 (?m) denotes D90, and y50 (?m) denotes D50 of a particle size distribution of the soft magnetic metal particles with a particle size of 5.0 ?m or more. A magnetic core includes soft magnetic metal particles with a Heywood diameter of 5.0 ?m or more in a section of the magnetic core. (Y95/Y50?Y90/Y50)/(0.95?0.90) is 20.0 or less, where Y95 (?m) denotes D95, Y90 (?m) denotes D90, and Y50 (?m) denotes D50 of a particle size distribution of the soft magnetic metal particles with a Heywood diameter of 5.0 ?m or more.Type: ApplicationFiled: September 27, 2024Publication date: April 3, 2025Applicant: TDK CorporationInventors: Kazuhiro YOSHIDOME, Hiroyuki Matsumoto, Shota Otsuka, Masashi Ito, Hitoshi Ohkubo
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Publication number: 20250088354Abstract: According to an embodiment, a key management server device includes processing circuitry is configured to: receive, from a plurality of key generation nodes, quantum key distribution (QKD) keys generated through a key distillation process for QKD; identify QKD keys to be specified as targets for shaping processing with a partner key management server device, by exchanging identification information of the QKD keys with the partner key management server device; perform numbering in such a way that order of dividing a QKD key or of coupling a OKD key with a part of a QKD key that is not used in previous shaping processing is identical with the partner key management server device; and perform shaping processing for shaping key lengths of OKD keys to a fixed length by performing the division or the coupling in the order.Type: ApplicationFiled: July 1, 2024Publication date: March 13, 2025Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masashi ITO, Katsuyuki KIMURA, Koji KANAZAWA
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Publication number: 20250001774Abstract: A printing apparatus, comprising a control unit configured to perform first control of, while performing printing by a printing unit in a state in which a trailing end portion of a preceding print medium overlaps a leading end portion of a succeeding print medium, controlling a conveying unit to separate the preceding print medium and the succeeding print medium from each other and, in the first control, adjusts a conveyance amount by the conveying unit to allow a conveying speed by the conveying unit to meet a criterion and adjusts a driving range of a nozzle based on the adjusted conveyance amount.Type: ApplicationFiled: June 24, 2024Publication date: January 2, 2025Inventors: Kento Tamari, Masashi Ito, Keisuke Arita, Motoyuki Taguchi, Sho Takahashi, Ryota Komatsu
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Patent number: 12174654Abstract: An operation device includes a lever configured to be tiltable; a substrate; a first resistor disposed on the substrate to extend in a first direction; a first actuator configured to rotate in accordance with tilting of the lever; and a first holder configured to hold a first slider and cause the first slider to slide on the first resistor by moving in the first direction via a first drive transmission part in accordance with rotation of the first actuator. The first drive transmission part includes a first protrusion integrated with the first holder and protruding in a second direction, and a first engagement portion integrated with the first actuator and including a pair of holding pieces configured to hold the first protrusion from both sides in the first direction. A first holding piece of the holding pieces is more elastic than a second holding piece of the holding pieces.Type: GrantFiled: October 19, 2023Date of Patent: December 24, 2024Assignee: ALPS ALPINE CO., LTD.Inventors: Masashi Ito, Masatoshi Ono
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Publication number: 20240399773Abstract: A printing apparatus, a control method for the printing apparatus, and a storage medium that can eliminate an overlapping state and suppress deterioration of alignment performance for discharged sheets are to be provided. Therefore, the appropriate distance at the completion of separating is set, and, in the separating operation, based on the distance, the overlapping state of the printing medium and the printing medium is eliminated by adjusting the conveyance speed of the downstream roller conveying the preceding printing medium and the conveyance speed of the upstream roller conveying the following printing media. Thereafter, the conveyance speed of the downstream roller is decelerated.Type: ApplicationFiled: June 4, 2024Publication date: December 5, 2024Inventors: RYOTA KOMATSU, MASASHI ITO, MOTOYUKI TAGUCHI, SHO TAKAHASHI, KEISUKE ARITA, KENTO TAMARI
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Patent number: 12151490Abstract: A printing apparatus includes a conveyance unit to convey a print medium, a belt, a tensioner, and a control unit. The belt transmits a driving force of a drive unit to the conveyance unit. The tensioner is displaceable and makes pressure contact with the belt to generate tension. The control unit controls driving of the drive unit in a state where the tensioner is in pressure contact with the belt. The control unit performs first control in which the drive unit is driven with a first control value, which is not based on a driving amount detected by a detection unit. Where the detection unit detects the driving amount, the control unit subsequently performs second control in which the drive unit is driven with a second control value, which is based on the driving amount detected by the detection unit.Type: GrantFiled: February 5, 2021Date of Patent: November 26, 2024Assignee: Canon Kabushiki KaishaInventors: Keisuke Arita, Takahide Onuma, Yasunori Matsumoto, Satoru Nitobe, Masashi Ito, Yuki Emoto
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Publication number: 20240375906Abstract: A printing apparatus includes a printing unit, first and second conveyance units conveying a print medium, and a control unit performing reduction control to reduce an overlap amount between a preceding print medium and a succeeding print medium by using a speed difference. In a first case in which a trailing end of the preceding print medium and a leading end of the succeeding print medium are positioned in an interval between the first and second conveyance units, a conveying speed of the preceding print medium is set to a first speed. In a second case which is different from the first case and in which the trailing end and the leading end are positioned in the interval between the first and second conveyance units, the conveying speed of the preceding print medium is set to a second speed different from the first speed.Type: ApplicationFiled: May 10, 2024Publication date: November 14, 2024Inventors: MASASHI ITO, KEISUKE ARITA, MOTOYUKI TAGUCHI, KENTO TAMARI, SHO TAKAHASHI, RYOTA KOMATSU
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Publication number: 20240351356Abstract: A printing apparatus, comprising a printing unit, a first conveying unit, a second conveying unit at downstream side in a conveying direction of the first conveying unit, and a control unit for executing a first control such that a leading end portion of a second print medium succeeding a first print medium overlaps a trailing end portion of the first print medium and a second control such that the first and second print mediums are separated, wherein, in the second control, conveyance of the second print medium is suppressed while the printing unit is located in a region other than the to-be-printed region.Type: ApplicationFiled: April 5, 2024Publication date: October 24, 2024Inventors: Keisuke Arita, Masashi Ito, Motoyuki Taguchi, Kento Tamari, Sho Takahashi, Ryota Komatsu
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Publication number: 20240274381Abstract: A multidirectional input device includes a housing made of an insulating material; an operation lever supported by the housing in a tiltable manner; a tilt detection sensor configured to detect a tilt of the operation lever; and an electrostatic detection circuit configured to detect an electrostatic capacitance formed between an electrostatic detection electrode and a surrounding object, wherein the housing includes a dome-shaped dome portion and an opening provided at a top of the dome portion, the operation lever is inserted through the opening, and the electrostatic detection electrode has an annular portion disposed to surround the opening.Type: ApplicationFiled: April 22, 2024Publication date: August 15, 2024Inventors: Masaki OTA, Tetsu NUMATA, Masatoshi ONO, Masashi ITO
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Publication number: 20240181787Abstract: An apparatus includes a container configured to store a liquid to be supplied to a discharge unit, a first cover portion capable of moving between a closing position where an inlet portion in the container is covered and an opening position, a second cover portion capable of moving between a closing position where the first cover portion is covered and an opening position where the first cover portion is exposed so as to be opened/closed, and a valve which opens/closes a passage communicating with an inside of the container. The valve closes the passage interworking with a movement of the first cover portion to the opening position, and opens the passage interworking with a movement of the second cover portion to the closing position.Type: ApplicationFiled: February 15, 2024Publication date: June 6, 2024Inventors: Masashi Ito, Yuri Mori, Takashi Abe, Nanae Uchinuno
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Publication number: 20240158192Abstract: A recording apparatus includes a feed roller, a conveyance roller, a recording unit, a reverse path, and a control unit. The conveyance roller conveys a sheet fed by the feed roller. The recording unit performs recording on the conveyed sheet. The reverse path reverses, in the reverse path, a traveling direction of the sheet on which the recording is performed. The control unit performs control so that a leading edge of a second sheet overlaps a first sheet on which recording is being performed by the recording unit. Recording on the second sheet is to be performed by the recording unit following the recording on the first sheet. The control unit performs control to reverse the traveling direction of the first sheet and the traveling direction of the second sheet in the reverse path while maintaining an overlapping state of the first sheet and the second sheet.Type: ApplicationFiled: November 10, 2023Publication date: May 16, 2024Inventors: SHO TAKAHASHI, MASASHI ITO, MOTOYUKI TAGUCHI, KEISUKE ARITA, KENTO TAMARI, RYOTA KOMATSU
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Patent number: 11932024Abstract: An apparatus includes a container configured to store a liquid to be supplied to a discharge unit, a first cover portion capable of moving between a closing position where an inlet portion in the container is covered and an opening position, a second cover portion capable of moving between a closing position where the first cover portion is covered and an opening position where the first cover portion is exposed so as to be opened/closed, and a valve which opens/closes a passage communicating with an inside of the container. The valve closes the passage interworking with a movement of the first cover portion to the opening position, and opens the passage interworking with a movement of the second cover portion to the closing position.Type: GrantFiled: January 25, 2022Date of Patent: March 19, 2024Assignee: Canon Kabushiki KaishaInventors: Masashi Ito, Yuri Mori, Takashi Abe, Nanae Uchinuno
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Publication number: 20240045463Abstract: An operation device includes a lever configured to be tiltable; a substrate; a first resistor disposed on the substrate to extend in a first direction; a first actuator configured to rotate in accordance with tilting of the lever; and a first holder configured to hold a first slider and cause the first slider to slide on the first resistor by moving in the first direction via a first drive transmission part in accordance with rotation of the first actuator. The first drive transmission part includes a first protrusion integrated with the first holder and protruding in a second direction, and a first engagement portion integrated with the first actuator and including a pair of holding pieces configured to hold the first protrusion from both sides in the first direction. A first holding piece of the holding pieces is more elastic than a second holding piece of the holding pieces.Type: ApplicationFiled: October 19, 2023Publication date: February 8, 2024Inventors: Masashi ITO, Masatoshi ONO
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Patent number: 11882053Abstract: A communication system according an embodiment includes one or more hardware processors. The one or more hardware processors calculate indicators used to detect presence of abnormality caused by a situation in which a size of a message is larger than a maximum allowable size of a queue, the indicators being calculated based on gate control information including a plurality of entries each of which indicates gate states corresponding to a plurality of queues.Type: GrantFiled: February 24, 2021Date of Patent: January 23, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Yasin Oge, Takahiro Yamaura, Yuta Kobayashi, Masashi Ito
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Patent number: 11829181Abstract: An operation device includes a lever configured to be tiltable; a substrate; a first resistor disposed on the substrate to extend in a first direction; a first actuator configured to rotate in accordance with tilting of the lever; and a first holder configured to hold a first slider and cause the first slider to slide on the first resistor by moving in the first direction via a first drive transmission part in accordance with rotation of the first actuator. The first drive transmission part includes a first protrusion integrated with the first holder and protruding in a second direction, and a first engagement portion integrated with the first actuator and including a pair of holding pieces configured to hold the first protrusion from both sides in the first direction. A first holding piece of the holding pieces is more elastic than a second holding piece of the holding pieces.Type: GrantFiled: November 28, 2022Date of Patent: November 28, 2023Assignee: ALPS ALPINE CO., LTD.Inventors: Masashi Ito, Masatoshi Ono
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Patent number: 11824975Abstract: According to an embodiment, a communication device includes a plurality of communication processors, and one or more processors. Each of the communication processors is configured to generate an encryption key by quantum key distribution with an external communication device, encrypt data by using the generated encryption key, and transmit the data to the external communication device. The one or more processors are configured to: divide data requested to be transmitted by an application into a plurality of pieces of transmission data; and determine, from among the plurality of communication processors, one or more communication processors to be used for transmission of the divided plurality of pieces of the transmission data.Type: GrantFiled: August 30, 2021Date of Patent: November 21, 2023Assignee: Kabushiki Kaisha ToshibaInventors: Masashi Ito, Yoshimichi Tanizawa
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Publication number: 20230312301Abstract: A printing apparatus includes a printing unit, a first conveyance unit configured to convey a print medium in a conveyance direction, a second conveyance unit configured to convey a print medium printed by the printing unit, on a downstream side in the conveyance direction of the first conveyance unit, and a control unit configured to perform reduction control of reducing an overlap amount of a preceding print medium and a succeeding print medium, from an overlap state in which the succeeding print medium overlaps a trailing edge of the preceding print medium. The reduction control includes control of conveying the preceding print medium conveyed by the second conveyance unit faster than the succeeding print medium conveyed by the first conveyance unit, in a state in which the first conveyance unit is capable of conveying the succeeding print medium.Type: ApplicationFiled: March 10, 2023Publication date: October 5, 2023Inventors: KEISUKE ARITA, MASASHI ITO, KENTO TAMARI, MOTOYUKI TAGUCHI, SHO TAKAHASHI, RYOTA KOMATSU
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Publication number: 20230311543Abstract: A printing apparatus comprises a supply unit configured to supply a print medium, a first roller configured to transport the print medium, a printing unit configured to print onto the print medium, and a control unit capable of controlling the supply unit and the first roller to create a state of overlap in which a leading end part of a following print medium overlaps a following end part of a preceding print medium on an upstream side of the first roller in the transport direction of the print medium. The control unit adjusts an overlap amount in the state of overlap on the upstream side of the first roller in the transport direction of the print medium based on print data for the preceding print medium and print data for the following print medium.Type: ApplicationFiled: March 16, 2023Publication date: October 5, 2023Inventors: MASASHI ITO, KEISUKE ARITA, KENTO TAMARI, MOTOYUKI TAGUCHI, SHO TAKAHASHI, RYOTA KOMATSU
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Publication number: 20230266787Abstract: An operation device includes a tiltable lever, a driving body coupled to the lever and configured to apply a return force to the lever when the lever is tilted, a metal plate provided to oppose a contact part provided and having an upper surface on which the contact part slides while making elastic contact when the lever is tilted, and a flexible substrate provided on the upper surface of the metal plate in an overlapping manner. The metal plate includes a control part having a groove shape and provided in the upper surface of the metal plate outside a region where the contact part slides, and configured to control bleeding of grease, and a convex part famed on a back surface of the metal plate, opposite to the upper surface, at a position corresponding to the control part. The flexible substrate covers an upper surface of the control part.Type: ApplicationFiled: April 27, 2023Publication date: August 24, 2023Inventors: Masashi ITO, Masatoshi ONO, Norimasa OKANISHI
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Patent number: 11664405Abstract: Provided a semiconductor light detection element including: a semiconductor portion having a front surface including a light reception region that receives incident light and photoelectrically converting the incident light incident on the light reception region; a metal portion provided on the front surface; and a carbon nanotube film provided on the light reception region and formed by depositing a plurality of carbon nanotubes. The carbon nanotube film extends over an upper surface of the metal portion from an upper surface of the light reception region.Type: GrantFiled: October 12, 2021Date of Patent: May 30, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kazuto Ofuji, Masashi Ito, Katsumi Shibayama, Akira Sakamoto