Patents by Inventor Yuji Soga
Yuji Soga 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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Patent number: 10575424Abstract: Embodiments disclosed herein generally relate to hermetic electrical connectors used in hard disk drives. The hermetic electrical connector includes a barrier structure having a first plurality of connecting pads disposed on a first surface of the barrier structure and a second plurality of connecting pads disposed on a second surface of the barrier structure opposite the first surface. A plurality of conductors is disposed within the barrier structure, and each conductor is coupled to a connecting pad of the first plurality of connecting pads and a corresponding connecting pad of the second plurality of connecting pads. The barrier structure further includes a dielectric material between the first and second surfaces, and one or more layers embedded in the dielectric material. The addition of the layers helps choke the helium gas flow, thus improving sealing of the electrical connector while maintaining high-speed electrical transmission.Type: GrantFiled: February 20, 2017Date of Patent: February 25, 2020Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.Inventors: Yuta Onobu, Takako Hayakawa, Kimihiko Sudo, Seong-Hun Choe, Takehito Nagata, Yuji Soga, Nobumasa Nishiyama, Kazuhiro Nagaoka
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Publication number: 20190104630Abstract: Embodiments disclosed herein generally relate to hermetic electrical connectors used in hard disk drives. The hermetic electrical connector includes a barrier structure having a first plurality of connecting pads disposed on a first surface of the barrier structure and a second plurality of connecting pads disposed on a second surface of the barrier structure opposite the first surface. A plurality of conductors is disposed within the barrier structure, and each conductor is coupled to a connecting pad of the first plurality of connecting pads and a corresponding connecting pad of the second plurality of connecting pads. The barrier structure further includes a dielectric material between the first and second surfaces, and one or more layers embedded in the dielectric material. The addition of the layers helps choke the helium gas flow, thus improving sealing of the electrical connector while maintaining high-speed electrical transmission.Type: ApplicationFiled: February 20, 2017Publication date: April 4, 2019Inventors: Yuta ONOBU, Takako HAYAKAWA, Kimihiko SUDO, Seong-Hun CHOE, Takehito NAGATA, Yuji SOGA, Nobumasa NISHIYAMA, Kazuhiro NAGAOKA
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Patent number: 10206120Abstract: A computer is caused to perform a communication environment information acquisition procedure; a procedure that acquires position information; a procedure that, when the computer is located in a positioning-difficult area or in a positioning-inaccurate area, acquires movement information; and a procedure that identifies a position at which the communication environment information acquisition procedure was performed in the positioning-difficult area or the positioning-inaccurate area, based on the movement information and the position information that is measured by the positioning means in a positioning-possible area where the positioning accuracy of the positioning means is higher than a predetermined value after the computer has moved from the positioning-difficult area or the positioning-inaccurate area to the positioning-possible area.Type: GrantFiled: October 27, 2016Date of Patent: February 12, 2019Assignee: AGOOP Corp.Inventors: Kazuhisa Shibayama, Yuji Soga, Yusuke Kato
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Patent number: 9961534Abstract: To judge whether there is roaming, a computer is caused to perform a position information acquisition procedure to acquire position information of the computer, a connection carrier information acquisition procedure to acquire connection carrier identification information for identifying a communication carrier of a communication network to which the computer is connected at the position where the position information was acquired, and a log information generation procedure to generate log information in which the position information and the connection carrier identification information are associated with each other.Type: GrantFiled: November 28, 2016Date of Patent: May 1, 2018Assignee: AGOOP Corp.Inventors: Kazuhisa Shibayama, Yuji Soga, Yusuke Kato
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Publication number: 20180027064Abstract: A method includes: acquiring a coordinate region from a client terminal; if region information or a load on a computer or on a communication line between the computer and a client terminal satisfies a predetermined condition, performing a statistical process on a piece of sample data included in the coordinate region among a plurality of pieces of sample data in which coordinate positions and information related to the coordinate positions are associated with each other, transmitting the piece of sample data to the client terminal; and if the region information or the load on the computer or the communication line does not satisfy a predetermined condition, transmitting the piece of sample data included in the coordinate region to the client terminal.Type: ApplicationFiled: August 15, 2017Publication date: January 25, 2018Inventors: Kazuhisa SHIBAYAMA, Yuji SOGA, Yusuke KATO, Hiroshi UEYAMA
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Patent number: 9870806Abstract: Embodiments disclosed herein generally relate to hermetic electrical connectors used in hard disk drives. The hermetic electrical connector includes a barrier structure having a first plurality of connecting pads disposed on a first surface of the barrier structure and a second plurality of connecting pads disposed on a second surface of the barrier structure opposite the first surface. A plurality of conductors is disposed within the barrier structure, and each conductor is coupled to a connecting pad of the first plurality of connecting pads and a corresponding connecting pad of the second plurality of connecting pads. The barrier structure further includes a dielectric material between the first and second surfaces, and one or more layers embedded in the dielectric material. The addition of the layers helps choke the helium gas flow, thus improving sealing of the electrical connector while maintaining high-speed electrical transmission.Type: GrantFiled: January 13, 2017Date of Patent: January 16, 2018Assignee: Western Digital Technologies, Inc.Inventors: Yuta Onobu, Takako Hayakawa, Kimihiko Sudo, Seong-Hun Choe, Takehito Nagata, Yuji Soga, Nobumasa Nishiyama, Kazuhiro Nagaoka
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Publication number: 20170278551Abstract: Embodiments disclosed herein generally relate to hermetic electrical connectors used in hard disk drives. The hermetic electrical connector includes a barrier structure having a first plurality of connecting pads disposed on a first surface of the barrier structure and a second plurality of connecting pads disposed on a second surface of the barrier structure opposite the first surface. A plurality of conductors is disposed within the barrier structure, and each conductor is coupled to a connecting pad of the first plurality of connecting pads and a corresponding connecting pad of the second plurality of connecting pads. The barrier structure further includes a dielectric material between the first and second surfaces, and one or more layers embedded in the dielectric material. The addition of the layers helps choke the helium gas flow, thus improving sealing of the electrical connector while maintaining high-speed electrical transmission.Type: ApplicationFiled: January 13, 2017Publication date: September 28, 2017Inventors: Yuta ONOBU, Takako HAYAKAWA, Kimihiko SUDO, Seong-Hun CHOE, Takehito NAGATA, Yuji SOGA, Nobumasa NISHIYAMA, Kazuhiro NAGAOKA
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Publication number: 20170078868Abstract: To judge whether there is roaming, a computer is caused to perform a position information acquisition procedure to acquire position information of the computer, a connection carrier information acquisition procedure to acquire connection carrier identification information for identifying a communication carrier of a communication network to which the computer is connected at the position where the position information was acquired, and a log information generation procedure to generate log information in which the position information and the connection carrier identification information are associated with each other.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Inventors: Kazuhisa SHIBAYAMA, Yuji SOGA, Yusuke KATO
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Publication number: 20170076086Abstract: There are cases where, when a plurality of modules having the same or similar functions are activated simultaneously, system resources are used pointlessly. Provided is a program causing a processor to perform a program information acquisition procedure to acquire identification information of one or more programs that are installed, and a determination procedure to determine whether to continue execution of the one or more programs by the processor based on the identification information of the one or more programs.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Inventors: Kazuhisa SHIBAYAMA, Yuji SOGA, Yusuke KATO
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Publication number: 20170048723Abstract: A computer is caused to perform a communication environment information acquisition procedure; a procedure that acquires position information; a procedure that, when the computer is located in a positioning-difficult area or in a positioning-inaccurate area, acquires movement information; and a procedure that identifies a position at which the communication environment information acquisition procedure was performed in the positioning-difficult area or the positioning-inaccurate area, based on the movement information and the position information that is measured by the positioning means in a positioning-possible area where the positioning accuracy of the positioning means is higher than a predetermined value after the computer has moved from the positioning-difficult area or the positioning-inaccurate area to the positioning-possible area.Type: ApplicationFiled: October 27, 2016Publication date: February 16, 2017Inventors: Kazuhisa SHIBAYAMA, Yuji SOGA, Yusuke KATO
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Patent number: 9558790Abstract: Embodiments disclosed herein generally relate to hermetic electrical connectors used in hard disk drives. The hermetic electrical connector includes a barrier structure having a first plurality of connecting pads disposed on a first surface of the barrier structure and a second plurality of connecting pads disposed on a second surface of the barrier structure opposite the first surface. A plurality of conductors is disposed within the barrier structure, and each conductor is coupled to a connecting pad of the first plurality of connecting pads and a corresponding connecting pad of the second plurality of connecting pads. The barrier structure further includes a dielectric material between the first and second surfaces, and one or more layers embedded in the dielectric material. The addition of the layers helps choke the helium gas flow, thus improving sealing of the electrical connector while maintaining high-speed electrical transmission.Type: GrantFiled: March 24, 2016Date of Patent: January 31, 2017Assignee: HGST Netherlands B.V.Inventors: Yuta Onobu, Takako Hayakawa, Kimihiko Sudo, Seong-Hun Choe, Takehito Nagata, Yuji Soga, Nobumasa Nishiyama, Kazuhiro Nagaoka
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Publication number: 20160261991Abstract: In conventional techniques, obtained information is not utilized sufficiently. A system comprises: a movement history acquiring unit that acquires one or more pieces of movement history information in which terminal identification information identifying each of one or more communication terminals, terminal positional information indicating a position at which a communication terminal is present, and acquisition clock time information indicating a clock time at which the terminal positional information has been acquired are associated; and a presence probability generating unit that generates, based on the one or more pieces of movement history information, each of one or more pieces of presence probability information about a probability that a communication terminal present in a first area from among one or more areas having predetermined geographical ranges is present in a second area from among the one or more areas after each of one or more predetermined periods of time has elapsed.Type: ApplicationFiled: May 12, 2016Publication date: September 8, 2016Inventors: Yutaka YAMADA, Kazuhisa SHIBAYAMA, Yuji SOGA, Hirofusa WATAMORI
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Publication number: 20160260022Abstract: In conventional techniques, types of attributes that can be distinguished are limited. An attribute deciding apparatus comprises: an operation pattern comparing unit that compares an operation history of a communication terminal with one or more predetermined operation patterns to decide, for each of the one or more operation patterns, at least either of an appearance frequency and an appearance probability in a predetermined period of time; and an attribute deciding unit that decides an attribute pattern conforming to an attribute of a user of the communication terminal from among one or more predetermined attribute patterns based on at least either of the appearance frequency and the appearance probability for each of the one or more operation patterns.Type: ApplicationFiled: May 12, 2016Publication date: September 8, 2016Inventors: Yutaka YAMADA, Kazuhisa SHIBAYAMA, Yuji SOGA, Hirofusa WATAMORI
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Patent number: 9042257Abstract: A computer having a communication function is caused to receive user instructions designating execution of a process other than a process for acquiring information relating to a communication environment; execute the process designated by the user instructions; acquire information relating to the communication environment of the computer, when the user instructions are received or when the process indicated by the user instructions is executed; and acquire position information of the computer, when the user instructions are received or when the process indicated by the user instructions is executed.Type: GrantFiled: March 29, 2013Date of Patent: May 26, 2015Assignee: AGOOP Corp.Inventors: Kazuhisa Shibayama, Yuji Soga, Yusuke Kato
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Patent number: 9036306Abstract: A flexible cable assembly (FCA) has a stiffener layer positioned in electrical contact with an electrical ground feature of the FCA, and a head stack assembly (HSA) may include a suspension tail electrically connected to the stiffener layer of the FCA, thus providing a robust ground path between the read/write head and the arm or E-block of the HSA. Additional efficient grounding techniques may include directly electrically connecting the suspension tail to the arm via a conductive adhesive, directly electrically connecting the FCA stiffener layer to the arm via a conductive screw, and/or directly electrically connecting the ground feature and the stiffener layer of the FCA to the arm using a ground post or screw.Type: GrantFiled: December 19, 2013Date of Patent: May 19, 2015Assignee: HGST Netherlands B.V.Inventors: Nobumasa Nishiyama, Yuji Soga, Kazuhiro Nagaoka, John Contreras, Albert Wallash
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Publication number: 20140185471Abstract: A computer having a communication function is caused to receive user instructions designating execution of a process other than a process for acquiring information relating to a communication environment; execute the process designated by the user instructions; acquire information relating to the communication environment of the computer, when the user instructions are received or when the process indicated by the user instructions is executed; and acquire position information of the computer, when the user instructions are received or when the process indicated by the user instructions is executed.Type: ApplicationFiled: March 29, 2013Publication date: July 3, 2014Applicant: AGOOP CORP.Inventors: Kazuhisa SHIBAYAMA, Yuji SOGA, Yusuke KATO
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Patent number: 8194356Abstract: A head-stack assembly. The head-stack assembly includes: a magnetic-recording head; a lead-suspension supporting the magnetic-recording head on an actuator arm; a metal plate coupled with the actuator arm; a resin layer disposed on the metal plate; a flexible-printed-circuit board disposed on the resin layer, and substantially perpendicularly connected to the lead-suspension; a arm-electronics module disposed on the flexible-printed-circuit board configured to shape a write-signal current waveform of a write signal to said magnetic-recording head; transmission lines disposed on the flexible-printed-circuit board configured to transmit the write signal to, and a read-back signal from, the lead-suspension; and, a single intermediate conductor layer that is disposed between the resin layer and the flexible-printed-circuit board, and having a planar shape substantially facing a bottom of the arm-electronics module and a bottom of the transmission lines.Type: GrantFiled: December 22, 2009Date of Patent: June 5, 2012Assignee: Hitachi Global Storage Technologies, Netherlands B.V.Inventors: Kazuhiro Nagaoka, Tatemi Ido, Nobumasa Nishiyama, Yuji Soga
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Publication number: 20110102935Abstract: A head-stack assembly. The head-stack assembly includes: a magnetic-recording head; a lead-suspension supporting the magnetic-recording head on an actuator arm; a metal plate coupled with the actuator arm; a resin layer disposed on the metal plate; a flexible-printed-circuit board disposed on the resin layer, and substantially perpendicularly connected to the lead-suspension; a arm-electronics module disposed on the flexible-printed-circuit board configured to shape a write-signal current waveform of a write signal to said magnetic-recording head; transmission lines disposed on the flexible-printed-circuit board configured to transmit the write signal to, and a read-back signal from, the lead-suspension; and, a single intermediate conductor layer that is disposed between the resin layer and the flexible-printed-circuit board, and having a planar shape substantially facing a bottom of the arm-electronics module and a bottom of the transmission lines.Type: ApplicationFiled: December 22, 2009Publication date: May 5, 2011Inventors: Kazuhiro Nagaoka, Tatemi Ido, Nobumasa NISHIYAMA, Yuji Soga
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Patent number: 5638012Abstract: A write driver for writing write data to a magnetic disk. The write driver is provided with first and second pnp type input transistors whose bases are each supplied with a pair of complementary input signals, and first and second npn type output transistor in the form of an inverted Darlington arrangement. A first resistor element is provided between the emitter of a corresponding pnp type input transistor and the collector of a npn type output transistor, whereas a second resistor element is provided between the common collector of the first and second npn type output transistors and supply voltage. The collectors of the first and second pnp type transistor are supplied with clamp voltage. Third and fourth npn type output transistors each connected to the first and second npn type output transistors in series and subjected to complementary switching control are provided to form a bridge circuit and to drive an inductive head.Type: GrantFiled: October 18, 1995Date of Patent: June 10, 1997Assignees: Hitachi, Ltd., Hitachi Computer Engineering Co., Ltd.Inventors: Takashi Hashimoto, Noriaki Hatanaka, Masaki Yoshinaga, Yuji Nagaya, Tsuyoshi Hirose, Yuji Soga, Tadao Kaji