Patents by Inventor Hiroaki Machida
Hiroaki Machida 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: 20240047104Abstract: A permanent magnet having excellent magnetic properties and a device including such a permanent magnet are provided. A permanent magnet consists of a sintered compact having a composition consisting of R: 23 to 27 wt % (R is a sum total of rare-earth elements including at least Sm), Fe: 22 to 27 wt %, Mn: 0.3 to 2.5 wt %, Cu: 4.0 to 5.0 wt %, and a remainder consisting of Co and unavoidable impurities, in which the sintered compact contains a plurality of crystal grains and grain boundary phases, and a concentration of Cu in at least a part of the grain boundary phases is 45 at % or higher.Type: ApplicationFiled: July 18, 2023Publication date: February 8, 2024Inventors: Masaaki TAKEZAWA, Hiroaki MACHIDA, Teruhiko FUJIWARA, Hirokazu MAKUTA
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Patent number: 11762645Abstract: An information processing apparatus includes a processor configured to: receive a scheduled date and time at which control information managed by a management apparatus is downloaded to a device via an external network and an internal network and is updated, the scheduled date and time being determined by the management apparatus; obtain a predicted traffic amount per predetermined time of the internal network at the scheduled date and time; and, in a case where the predicted traffic amount exceeds an acceptable traffic amount per the predetermined time, the acceptable traffic amount being set for the internal network, give a request to change the scheduled date and time to the management apparatus.Type: GrantFiled: December 10, 2020Date of Patent: September 19, 2023Assignee: FUJIFILM Business Innovation Corp.Inventor: Hiroaki Machida
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Publication number: 20230095210Abstract: A permanent magnet having excellent magnetic properties, and a device including such a permanent magnet are provided. A permanent magnet consists of a sintered compact having a composition consisting of, in a mass percentage composition, R: 23 to 27% (R is a rare-earth element including at least Sm); Fe: 22 to 27%; Mn: 0.01 to 2.5%; and a remainder consisting of Co and unavoidable impurities, in which the sintered compact contains a plurality of crystal grains and grain boundaries, an average crystal grain size (A. G.) of the crystal grains is equal to or larger than 100 ?m, and a coefficient of variation (C. V.) of crystal grain sizes is equal to or smaller than 0.60.Type: ApplicationFiled: September 26, 2022Publication date: March 30, 2023Inventors: Hiroaki MACHIDA, Teruhiko FUJIWARA, Hirokazu MAKUTA
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Patent number: 11380465Abstract: A rare-earth cobalt permanent magnet with good magnetic properties is provided. A rare-earth cobalt permanent magnet contains 23 to 27 mass % R, 3.5 to 5.0 mass % Cu, 18 to 25 mass % Fe, 1.5 to 3.0 mass % Zr in mass and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. The rare-earth cobalt permanent magnet has a metal structure including a plurality of crystal grains and a continuously extending grain boundary. A content of Cu in the grain boundary is higher than a content of Cu in the crystal grains, and a content of Zr in the grain boundary is higher than a content of Zr in the crystal grains.Type: GrantFiled: October 7, 2016Date of Patent: July 5, 2022Assignees: KYUSHU INSTITUTE OF TECHNOLOGY, TOKIN CorporationInventors: Masaaki Takezawa, Teruhiko Fujiwara, Hiroaki Machida, Hideyuki Yoshikawa
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Publication number: 20210318860Abstract: An information processing apparatus includes a processor configured to: receive a scheduled date and time at which control information managed by a management apparatus is downloaded to a device via an external network and an internal network and is updated, the scheduled date and time being determined by the management apparatus; obtain a predicted traffic amount per predetermined time of the internal network at the scheduled date and time; and, in a case where the predicted traffic amount exceeds an acceptable traffic amount per the predetermined time, the acceptable traffic amount being set for the internal network, give a request to change the scheduled date and time to the management apparatus.Type: ApplicationFiled: December 10, 2020Publication date: October 14, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventor: Hiroaki MACHIDA
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Publication number: 20210249165Abstract: A rare-earth cobalt permanent magnet having excellent magnetic characteristics, a method for manufacturing such a rare-earth cobalt permanent magnet, and a device including such a rare-earth cobalt permanent magnet are provided. A rare-earth cobalt permanent magnet consisting of 23 to 27 mass % of a rare-earth element R including Sm, 4.0 to 5.0 mass % of Cu, 22 to 27 mass % of Fe, 1.7 to 2.5 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which the rare-earth cobalt permanent magnet includes a plurality of crystal grains and grain boundary parts, and a size of a cell structure constituting the crystal grain is 100 to 600 nm.Type: ApplicationFiled: January 27, 2021Publication date: August 12, 2021Inventors: Hiroaki MACHIDA, Teruhiko FUJIWARA, Hirokazu MAKUTA, Chieko FUJIMOTO, Yu KANAMORI
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Publication number: 20210241948Abstract: A rare-earth cobalt permanent magnet having excellent magnetic characteristics, a method for manufacturing such a rare-earth cobalt permanent magnet, and a device are provided. A rare-earth cobalt permanent magnet consists of, when a rear-earth element including at least Sm is represented by R, 23 to 27 mass % of R, 1.0 to 5.0 mass % of Cu, 18 to 25 mass % of Fe, 1.5 to 3.0 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which the rare-earth cobalt permanent magnet includes a plurality of crystal grains and grain boundary parts, and a concentration of Cu is at least two times a concentration of Zr in the grain boundary parts.Type: ApplicationFiled: January 11, 2021Publication date: August 5, 2021Inventors: Hirokazu MAKUTA, Hiroaki MACHIDA, Teruhiko FUJIWARA, Yu KANAMORI
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Publication number: 20200365301Abstract: A rare-earth cobalt permanent magnet according to the present disclosure comprises: 24 to 26 mass % of a rare-earth element R including Sm; 25 to 27 mass % of Fe; 4.0 to 7.0 mass % of Cu; 2.0 to 3.5 mass % of Zr; and Co and an unavoidable impurity as a remainder. The rare-earth element R is any one of a combination of Sm and Nd, a combination of Sm and Pr, or a combination of Sm, Nd, and Pr. The rare-earth cobalt permanent magnet includes a cell phase that includes a crystalline phase of a Th2Zn17 structure and a cell wall that includes a crystalline phase of an RCo5 structure enclosing the cell phase, and the concentration of the rare-earth element R in the cell wall is higher than the concentration of the rare-earth element R in the cell phase by no less than 25 atomic %.Type: ApplicationFiled: May 14, 2020Publication date: November 19, 2020Inventors: Masaaki TAKEZAWA, Hiroaki MACHIDA, Teruhiko FUJIWARA, Yu KANAMORI
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Publication number: 20200243232Abstract: A rare-earth cobalt permanent magnet with good magnetic properties is provided. A rare-earth cobalt permanent magnet contains 23 to 27 mass % R, 3.5 to 5.0 mass % Cu, 18 to 25 mass % Fe, 1.5 to 3.0 mass % Zr in mass and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. The rare-earth cobalt permanent magnet has a metal structure including a plurality of crystal grains and a continuously extending grain boundary. A content of Cu in the grain boundary is higher than a content of Cu in the crystal grains, and a content of Zr in the grain boundary is higher than a content of Zr in the crystal grains.Type: ApplicationFiled: October 7, 2016Publication date: July 30, 2020Inventors: Masaaki TAKEZAWA, Teruhiko FUJIWARA, Hiroaki MACHIDA, Hideyuki YOSHIKAWA
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Patent number: 10497496Abstract: There is provided a rare earth-cobalt permanent magnet containing 23 to 27 wt % R, 3.5 to 5 wt % Cu, 18 to 25 wt % Fe, 1.5 to 3 wt % Zr, and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. It has a metal structure including a cell phase (11) containing Sm2Co17 phase and a cell wall (12) surrounding the cell phase (11) and containing SmCo5 phase.Type: GrantFiled: September 4, 2015Date of Patent: December 3, 2019Assignee: TOKIN CORPORATIONInventors: Hiroaki Machida, Teruhiko Fujiwara, Hideyuki Yoshikawa
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Patent number: 10455010Abstract: An information processing apparatus includes a memory, an acquisition unit, a storing unit, and a controller. The memory stores information concerning communication states between plural destination storage locations and plural areas. The acquisition unit acquires information on a request source area in which a user has submitted a request to acquire content among the plural areas. The storing unit stores the content in a destination storage location in response to receipt of the request. The storing unit changes a destination storage location of the content in accordance with a communication state between the request source area and each of the plural destination storage locations. The controller performs control to transmit, to the user, information for accessing a destination storage location in which the content is stored.Type: GrantFiled: May 18, 2017Date of Patent: October 22, 2019Assignee: FUJI XEROX CO., LTD.Inventor: Hiroaki Machida
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Patent number: 10440100Abstract: An information processing apparatus includes a memory, an obtaining unit, a storing unit, and a controller. The memory stores information on plural storage destination devices and plural pieces of condition information in association with each other, wherein each of the plural pieces of condition information indicates a condition of a user who is allowed to access one of the plural storage destination devices. The obtaining unit obtains information on an attribute of a requesting user who requests access to content. The storing unit stores, in response to receipt of the request from the requesting user, the content in a storage destination device associated with condition information whose condition is satisfied by the attribute of the requesting user among the plural storage destination devices. The controller performs control to transmit, to the requesting user, information for accessing the storage destination device in which the content is stored.Type: GrantFiled: February 5, 2016Date of Patent: October 8, 2019Assignee: FUJI XEROX CO., LTD.Inventor: Hiroaki Machida
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Publication number: 20180077231Abstract: An information processing apparatus includes a memory, an acquisition unit, a storing unit, and a controller. The memory stores information concerning communication states between plural destination storage locations and plural areas. The acquisition unit acquires information on a request source area in which a user has submitted a request to acquire content among the plural areas. The storing unit stores the content in a destination storage location in response to receipt of the request. The storing unit changes a destination storage location of the content in accordance with a communication state between the request source area and each of the plural destination storage locations. The controller performs control to transmit, to the user, information for accessing a destination storage location in which the content is stored.Type: ApplicationFiled: May 18, 2017Publication date: March 15, 2018Applicant: FUJI XEROX CO., LTD.Inventor: Hiroaki MACHIDA
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Patent number: 9571467Abstract: An information management system includes an information processing device, and an information management device that prepares log information indicating a content of communication with the information processing device. The information processing device includes a recording data acquisition unit, an encryption unit, and a transmitting unit. The recording data acquisition unit sequentially acquires recording data indicating a content of communication between the information management device and the information processing device. The encryption unit encrypts the recording data to prepare encrypted data. The transmitting unit transmits the encrypted data to the information management device. The information management device includes a log information preparation unit that prepares the log information including the encrypted data.Type: GrantFiled: December 19, 2014Date of Patent: February 14, 2017Assignee: FUJI XEROX CO., LTD.Inventor: Hiroaki Machida
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Publication number: 20170006085Abstract: An information processing apparatus includes a memory, an obtaining unit, a storing unit, and a controller. The memory stores information on plural storage destination devices and plural pieces of condition information in association with each other, wherein each of the plural pieces of condition information indicates a condition of a user who is allowed to access one of the plural storage destination devices. The obtaining unit obtains information on an attribute of a requesting user who requests access to content. The storing unit stores, in response to receipt of the request from the requesting user, the content in a storage destination device associated with condition information whose condition is satisfied by the attribute of the requesting user among the plural storage destination devices. The controller performs control to transmit, to the requesting user, information for accessing the storage destination device in which the content is stored.Type: ApplicationFiled: February 5, 2016Publication date: January 5, 2017Applicant: FUJI XEROX CO., LTD.Inventor: Hiroaki MACHIDA
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Publication number: 20160020984Abstract: An information processing apparatus includes a first sender and a second sender. The first sender sends, if a type of status information indicating a status of a device is a predetermined type, the status information to an information storage apparatus, which is different from a center apparatus that manages the device. The second sender sends information indicating that the status information has been sent to the information storage apparatus to the center apparatus.Type: ApplicationFiled: January 20, 2015Publication date: January 21, 2016Applicant: FUJI XEROX CO., LTD.Inventor: Hiroaki MACHIDA
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Publication number: 20150380134Abstract: There is provided a rare earth-cobalt permanent magnet containing 23 to 27 wt % R, 3.5 to 5 wt % Cu, 18 to 25 wt % Fe, 1.5 to 3 wt % Zr, and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. It has a metal structure including a cell phase (11) containing Sm2Co17 phase and a cell wall (12) surrounding the cell phase (11) and containing SmCo5 phase.Type: ApplicationFiled: September 4, 2015Publication date: December 31, 2015Inventors: Hiroaki MACHIDA, Teruhiko FUJIWARA, Hideyuki YOSHIKAWA
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Patent number: 9210280Abstract: An information processing apparatus includes an acquiring unit that acquires data indicating duration for dispersing access to a management apparatus for each period of time, a specifying unit that specifies the duration corresponding to a time which is designated by a user on the basis of the acquired data, a selection unit that selects an access time to the management apparatus from a time range based on the designated time and the duration specified by the specifying unit according to a predetermined criterion, and a unit that accesses the management apparatus on the basis of the access time selected by the selection unit.Type: GrantFiled: October 4, 2012Date of Patent: December 8, 2015Assignee: FUJI XEROX CO., LTD.Inventor: Hiroaki Machida
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Publication number: 20150334092Abstract: An information management system includes an information processing device, and an information management device that prepares log information indicating a content of communication with the information processing device. The information processing device includes a recording data acquisition unit, an encryption unit, and a transmitting unit. The recording data acquisition unit sequentially acquires recording data indicating a content of communication between the information management device and the information processing device. The encryption unit encrypts the recording data to prepare encrypted data. The transmitting unit transmits the encrypted data to the information management device. The information management device includes a log information preparation unit that prepares the log information including the encrypted data.Type: ApplicationFiled: December 19, 2014Publication date: November 19, 2015Inventor: Hiroaki MACHIDA
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Publication number: 20150262740Abstract: There is provided a rare earth-cobalt permanent magnet containing 23 to 27 wt % R, 3.5 to 5 wt % Cu, 19 to 25 wt % Fe, 1.5 to 3 wt % Zr, and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. The rare earth-cobalt permanent magnet has a density of 8.15 to 8.39 g/cm3. It also has a metal structure including a cell phase (11) containing Sm2Co17 phase and a cell wall (12) surrounding the cell phase and containing SmCo5 phase. An average crystal grain diameter is within a range of 40 to 100 ?m. A half width of Cu content of the cell wall (12) is 10 nm or less.Type: ApplicationFiled: March 10, 2015Publication date: September 17, 2015Inventors: Teruhiko FUJIWARA, Hiroaki MACHIDA, Hideyuki YOSHIKAWA