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).

  • Publication number: 20240047104
    Abstract: 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: Application
    Filed: July 18, 2023
    Publication date: February 8, 2024
    Inventors: Masaaki TAKEZAWA, Hiroaki MACHIDA, Teruhiko FUJIWARA, Hirokazu MAKUTA
  • Patent number: 11762645
    Abstract: 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: Grant
    Filed: December 10, 2020
    Date of Patent: September 19, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Hiroaki Machida
  • Publication number: 20230095210
    Abstract: 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: Application
    Filed: September 26, 2022
    Publication date: March 30, 2023
    Inventors: Hiroaki MACHIDA, Teruhiko FUJIWARA, Hirokazu MAKUTA
  • Patent number: 11380465
    Abstract: 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: Grant
    Filed: October 7, 2016
    Date of Patent: July 5, 2022
    Assignees: KYUSHU INSTITUTE OF TECHNOLOGY, TOKIN Corporation
    Inventors: Masaaki Takezawa, Teruhiko Fujiwara, Hiroaki Machida, Hideyuki Yoshikawa
  • Publication number: 20210318860
    Abstract: 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: Application
    Filed: December 10, 2020
    Publication date: October 14, 2021
    Applicant: FUJIFILM BUSINESS INNOVATION CORP.
    Inventor: Hiroaki MACHIDA
  • Publication number: 20210249165
    Abstract: 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: Application
    Filed: January 27, 2021
    Publication date: August 12, 2021
    Inventors: Hiroaki MACHIDA, Teruhiko FUJIWARA, Hirokazu MAKUTA, Chieko FUJIMOTO, Yu KANAMORI
  • Publication number: 20210241948
    Abstract: 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: Application
    Filed: January 11, 2021
    Publication date: August 5, 2021
    Inventors: Hirokazu MAKUTA, Hiroaki MACHIDA, Teruhiko FUJIWARA, Yu KANAMORI
  • Publication number: 20200365301
    Abstract: 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: Application
    Filed: May 14, 2020
    Publication date: November 19, 2020
    Inventors: Masaaki TAKEZAWA, Hiroaki MACHIDA, Teruhiko FUJIWARA, Yu KANAMORI
  • Publication number: 20200243232
    Abstract: 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: Application
    Filed: October 7, 2016
    Publication date: July 30, 2020
    Inventors: Masaaki TAKEZAWA, Teruhiko FUJIWARA, Hiroaki MACHIDA, Hideyuki YOSHIKAWA
  • Patent number: 10497496
    Abstract: 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: Grant
    Filed: September 4, 2015
    Date of Patent: December 3, 2019
    Assignee: TOKIN CORPORATION
    Inventors: Hiroaki Machida, Teruhiko Fujiwara, Hideyuki Yoshikawa
  • Patent number: 10455010
    Abstract: 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: Grant
    Filed: May 18, 2017
    Date of Patent: October 22, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Hiroaki Machida
  • Patent number: 10440100
    Abstract: 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: Grant
    Filed: February 5, 2016
    Date of Patent: October 8, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Hiroaki Machida
  • Publication number: 20180077231
    Abstract: 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: Application
    Filed: May 18, 2017
    Publication date: March 15, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Hiroaki MACHIDA
  • Patent number: 9571467
    Abstract: 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: Grant
    Filed: December 19, 2014
    Date of Patent: February 14, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Hiroaki Machida
  • Publication number: 20170006085
    Abstract: 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: Application
    Filed: February 5, 2016
    Publication date: January 5, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Hiroaki MACHIDA
  • Publication number: 20160020984
    Abstract: 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: Application
    Filed: January 20, 2015
    Publication date: January 21, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Hiroaki MACHIDA
  • Publication number: 20150380134
    Abstract: 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: Application
    Filed: September 4, 2015
    Publication date: December 31, 2015
    Inventors: Hiroaki MACHIDA, Teruhiko FUJIWARA, Hideyuki YOSHIKAWA
  • Patent number: 9210280
    Abstract: 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: Grant
    Filed: October 4, 2012
    Date of Patent: December 8, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Hiroaki Machida
  • Publication number: 20150334092
    Abstract: 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: Application
    Filed: December 19, 2014
    Publication date: November 19, 2015
    Inventor: Hiroaki MACHIDA
  • Publication number: 20150262740
    Abstract: 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: Application
    Filed: March 10, 2015
    Publication date: September 17, 2015
    Inventors: Teruhiko FUJIWARA, Hiroaki MACHIDA, Hideyuki YOSHIKAWA