Patents Assigned to Buffalo Inc.
  • Publication number: 20210021036
    Abstract: An antenna device that includes a first antenna configured to perform communication using a predetermined frequency band, and a second antenna configured to perform communication using the predetermined frequency band, and the first antenna and the second antenna are arranged such that amplitude directions of radio waves which are output from the first antenna and the second antenna coincide with each other.
    Type: Application
    Filed: June 26, 2020
    Publication date: January 21, 2021
    Applicant: BUFFALO INC.
    Inventors: Jun MARUYAMA, Hirotaka NARUSE, Yoshimitsu KONDO
  • Publication number: 20200319999
    Abstract: A storage device comprises a flash memory and processing circuitry. The processing circuitry is configured to divide a storage area into pages to manage the storage area, and deletes each of the blocks including a plurality of pages. The processing circuitry receives a write instruction including address information specifying a writing location of the data, and stores, with respect to a plurality of groups in which each group includes one or more blocks, a plurality of group identification information each identifying a group and information specifying blocks included in the group in association with each other. The processing circuitry performs a predetermined calculation to obtain group identification information, and identifies a group including a block including pages onto which data is to be written according to the write instruction. Finally, the processing circuitry writes the data onto the pages of the block included in the group identified.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 8, 2020
    Applicant: BUFFALO INC.
    Inventors: Kazuki MAKUNI, Shuichiro AZUMA, Noriaki SUGAHARA, Yu NAKASE
  • Patent number: 10782881
    Abstract: A storage device includes: N (N is an integer of 2 or more) disk devices that records data redundantly, the N disk devices including NAND devices; and processing circuitry that checks a timing of reaching an EOL (End Of Life) for each of the N disk devices; and makes a setting that does not allow to write data into a disk device of the N disk devices for which a predetermined timing before the timing of reaching the EOL has arrived.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: September 22, 2020
    Assignee: BUFFALO INC.
    Inventor: Yasuyuki Yamamoto
  • Patent number: 10768845
    Abstract: A storage device includes a storage retaining content data, an input receiving instructions to reproduce the content data stored in the storage and a reproducer outputting the content data to an external reproducing device. The storage retains a table including identification information of the external reproducing device and a data format of the content data reproducible in the external reproducing device. The reproducer includes a notifier notifying reproduction information necessary for the external reproducing device to reproduce the content data before the content data are outputted to the external reproducing device in response to a reproduction instruction, and a data controller acquiring unique identification information for the external reproducing device when the external reproducing device is connected to the storage device and converting the content data into the data format reproducible in the external reproducing device and outputting the content data thereto.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: September 8, 2020
    Assignee: BUFFALO, INC.
    Inventor: Naoki Matsumoto
  • Publication number: 20200244538
    Abstract: A system includes a device management apparatus. The device management apparatus includes: one or more memories; and one or more processors. The one or more processors are configured to: store user group information that defines at least one user group, each user group being a group of one or more users; store device group definition information that defines at least one device group in association with at least one user group, each device group being a group of one or more network devices; store authority information of each device group associated with at least one user group; store association information that associates each of the network devices to be objects of management with at least one of the device groups; and determine whether to permit a user operation related to a network device belonging to a device group based on the authority information of each of the device groups.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 30, 2020
    Applicant: BUFFALO INC.
    Inventors: Atsuo NAKAHATA, Junji INOUE, Osamu YAMADA
  • Patent number: 10657040
    Abstract: A storage device including a flash memory, and circuitry that manages a logical address and a physical address so as to be converted using a conversion table, writes a logical address and old and new information indicating a timing when the data is written, into the physical address together with the data, writes at least latest old and new information of the old and new information written in the block into a predetermined page of the block, and reestablishes the conversion table by arranging the logical address recorded in each page included in the block and the physical address corresponding to the logical address in association with each other, in chronological order of the latest old and new information read out from each block of the flash memory, at a predetermined reestablishment timing for performing reestablishment of the conversion table.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 19, 2020
    Assignee: BUFFALO INC.
    Inventors: Kazuki Makuni, Takayuki Okinaga, Shuichiro Azuma, Yu Nakase
  • Patent number: 10528360
    Abstract: A storage device includes a first memory which stores data including activation data necessary to activate a host device, a second memory, and a controller which performs writing and reading operation of data stored in the first memory based on a request from the host device; acquires address information including an address and data amount of data in the first memory, for which a read request is previously issued from the host device at activation of the host device; at activation of the storage device, reads data including at least the activation data from the first memory based on the address information and store the data in the second memory; and in response to a read request issued from the host device, transmits the data stored in the second memory to the host device.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: January 7, 2020
    Assignee: BUFFALO INC.
    Inventors: Kazuki Makuni, Takayuki Okinaga, Shuichiro Azuma, Noriaki Sugahara, Yu Nakase
  • Publication number: 20190306003
    Abstract: A communication device that includes processing circuitry that receives an input to switch an operation mode between a first operation mode in which access to the communication device or a connected device connected to the communication device is restricted and a second operation mode in which access is not restricted; controls the access from devices that transmitted access requests in accordance with the first operation mode or the second operation mode, which is designated by the received input; and permits a no-permission device that has no permission for the access to access the communication device or the connected device based on an access request from the no-permission device by registering the no-permission device as a permission device, in a case where the operation mode is the second operation mode.
    Type: Application
    Filed: March 14, 2019
    Publication date: October 3, 2019
    Applicant: BUFFALO INC.
    Inventor: Yutaka MARUYAMA
  • Patent number: 10403605
    Abstract: A semiconductor device comprising a plurality of semiconductor chips and a plurality of electric wirings. The plurality of semiconductor chips are stacked in a first direction, each semiconductor chip of the plurality of semiconductor chips including a plurality of conductive pads that are aligned in an aligning direction, orthogonal to the first direction. The plurality of semiconductor chips are stacked such that each semiconductor chip is shifted from an adjacent semiconductor chip of the plurality of semiconductor chips by a first predetermined interval in the aligning direction and shifted from the adjacent semiconductor chip by a second predetermined interval in a second direction orthogonal to both the first direction and the aligning direction. The plurality of electric wirings electrically connect the plurality of conductive pads of every other semiconductor chip of the plurality of semiconductor chips, respectively.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 3, 2019
    Assignee: BUFFALO INC.
    Inventors: Yu Nakase, Takayuki Okinaga, Shuichiro Azuma, Kazuki Makuni, Takeshi Kotegawa, Noriaki Sugahara
  • Patent number: 10368338
    Abstract: There is provided a wireless device that includes circuitry configured to receive information from one or more devices connected with the wireless device, select specific information out of the information received from the one or more devices, generate shared information using the specific information as selected by the circuitry, and send the shared information to the one or more other wireless devices by direct wireless communication.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: July 30, 2019
    Assignee: BUFFALO INC.
    Inventor: Hayato Chiba
  • Publication number: 20190220193
    Abstract: A storage device includes: N (N is an integer of 2 or more) disk devices that records data redundantly, the N disk devices including NAND devices; and processing circuitry that checks a timing of reaching an EOL (End Of Life) for each of the N disk devices; and makes a setting that does not allow to write data into a disk device of the N disk devices for which a predetermined timing before the timing of reaching the EOL has arrived.
    Type: Application
    Filed: December 31, 2018
    Publication date: July 18, 2019
    Applicant: BUFFALO INC.
    Inventor: Yasuyuki YAMAMOTO
  • Patent number: 10341331
    Abstract: An information processing apparatus includes circuitry that retains firmware and performs processing based on the firmware, receives a command from an external device, and transmits a predetermined response to the external device as processing of the firmware in a case where the received command is a predetermined authentication command.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: July 2, 2019
    Assignee: BUFFALO INC.
    Inventors: Suguru Ishii, Tsukasa Ito
  • Patent number: 10204654
    Abstract: According to one aspect of the disclosure, there is provided a storage device that includes: a storage medium; and circuitry that reads identification information stored on an integrated circuit card (IC card), and performs authentication using the identification information read by the circuitry and basic identification information stored in a specific area of the storage medium.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: February 12, 2019
    Assignee: BUFFALO INC.
    Inventors: Tsukasa Ito, Suguru Ishii
  • Publication number: 20180357158
    Abstract: A storage device including a flash memory, and circuitry that manages a logical address and a physical address so as to be converted using a conversion table, writes a logical address and old and new information indicating a timing when the data is written, into the physical address together with the data, writes at least latest old and new information of the old and new information written in the block into a predetermined page of the block, and reestablishes the conversion table by arranging the logical address recorded in each page included in the block and the physical address corresponding to the logical address in association with each other, in chronological order of the latest old and new information read out from each block of the flash memory, at a predetermined reestablishment timing for performing reestablishment of the conversion table.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 13, 2018
    Applicant: BUFFALO INC.
    Inventors: Kazuki MAKUNI, Takayuki OKINAGA, Shuichiro AZUMA, Yu NAKASE
  • Patent number: 10146481
    Abstract: There is provided a magnetic disk device including a magnetic disk, and circuitry configured to receive a control command for instructing to write data in the magnetic disk or to rear the data from the magnetic disk, perform a data access process of writing the data in the magnetic disk or reading the data from the magnetic disk according to the received control command, specify a data amount of object data of the data access process, calculate a cumulative value of the data amount of the object data from a start of an operation, and perform notification when the cumulative value is equal to or larger than a predetermined threshold.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: December 4, 2018
    Assignee: BUFFALO INC.
    Inventors: Tsukasa Ito, Tsubasa Tanaka, Suguru Ishii
  • Publication number: 20180232393
    Abstract: A storage system includes processing circuitry configured to detect a file operation in a folder of a first storage, sequentially register information of files having undergone a change as a file replication processing target in a database, execute file replication processing to sequentially replicate each individual file of the files registered as the file replication processing target to a second storage, execute folder replication processing to replicate the folder to the second storage, in the folder replication processing, exclude a file belonging to the folder for the folder replication processing from the file replication processing target, and execute the file replication processing in parallel with the folder replication processing when the information of the file having undergone a change has been registered as the file replication processing target in the database during the folder replication processing.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 16, 2018
    Applicant: BUFFALO INC.
    Inventor: Kazuki HONMA
  • Publication number: 20180210673
    Abstract: A storage device includes a storage retaining content data, an input receiving instructions to reproduce the content data stored in the storage and a reproducer outputting the content data to an external reproducing device. The storage retains a table including identification information of the external reproducing device and a data format of the content data reproducible in the external reproducing device. The reproducer includes a notifier notifying reproduction information necessary for the external reproducing device to reproduce the content data before the content data are outputted to the external reproducing device in response to a reproduction instruction, and a data controller acquiring unique identification information for the external reproducing device when the external reproducing device is connected to the storage device and converting the content data into the data format reproducible in the external reproducing device and outputting the content data thereto.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 26, 2018
    Applicant: Buffalo, Inc.
    Inventor: Naoki MATSUMOTO
  • Patent number: 9979787
    Abstract: A network storage device that includes a plurality of storage regions configured to store data; and circuitry that selects at least one of the storage regions in accordance with instruction information, and synchronizes data stored in the at least one of the storage regions with a server connected to the network storage device via a network.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: May 22, 2018
    Assignee: BUFFALO INC.
    Inventor: Takashi Ishidoshiro
  • Patent number: 9917733
    Abstract: A communication device that communicates with a plurality of different target devices compliant with different specifications of data communication. The communication device receives request data to control operations of the plurality of different target devices; identifies a specific target device for which operation is to be controlled among the plurality of different target devices; identifies command content to be performed by the specific target device according to the received request data; identifies a specification of data communication employed by the specific target device; identifies an operation command corresponding to the identified command content based on the identified specification of data communication employed by the specific target device; and sends the operation command to the specific target device.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: March 13, 2018
    Assignee: BUFFALO INC.
    Inventor: Hayato Chiba
  • Publication number: 20180039450
    Abstract: There is provided a magnetic disk device including a magnetic disk, and circuitry configured to receive a control command for instructing to write data in the magnetic disk or to rear the data from the magnetic disk, perform a data access process of writing the data in the magnetic disk or reading the data from the magnetic disk according to the received control command, specify a data amount of object data of the data access process, calculate a cumulative value of the data amount of the object data from a start of an operation, and perform notification when the cumulative value is equal to or larger than a predetermined threshold.
    Type: Application
    Filed: August 3, 2017
    Publication date: February 8, 2018
    Applicant: BUFFALO INC
    Inventors: Tsukasa ITO, Tsubasa Tanaka, Suguru Ishii