Patents by Inventor Yutaka Nakamura

Yutaka Nakamura 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).

  • Patent number: 9628637
    Abstract: The system includes a terminal apparatus and an image forming apparatus that comprises: a communication unit that performs near field wireless communication; a communication controller that controls the communication unit so as to receive document identification information for identifying a document and personal information to be input to the document transmitted from the terminal apparatus through near field wireless communication; a storage unit that stores document identification information for identifying a document, document image information, and entry position information of entries in association with each other for each document; and an information combining unit that searches the storage unit for the document image information and the entry position information stored in association with the same document identification information as the received document identification information and generates a combined image in which the received personal information is combined at a position on a document im
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: April 18, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takaaki Ohshita, Yutaka Nakamura
  • Patent number: 9601921
    Abstract: Embodiments relate to electrostatic discharge (ESD) protection. One embodiment includes a tie-off circuit including a multiple field effect transistors (FETs), a first internal node, a second internal node, a first output node and a second output node. A node isolation circuit is connected to the first output node and the second output node of the tie-off circuit. The node isolation circuit includes a first FET with a third output node and a second FET with a fourth output node. The third output node and the fourth output node are electrically isolated from the first internal node and the second internal node.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: March 21, 2017
    Assignee: International Business Machines Corporation
    Inventors: Chen Guo, Yutaka Nakamura, Jun Sawada
  • Patent number: 9580948
    Abstract: A connecting system of a multi-section housing having first to fourth housings including housings with different thicknesses and can be spread open from the connected state to form a flat surface, comprising first hinges which connect end faces of the first and fourth housings, second hinges which connect end faces at the same sides of the second and third housings, and pull-out mechanisms provided between the first and second housings and between the third and fourth housings, which pull out the first and fourth housings from the superposed positions, and which make them adjoin the second and third housings without changing the positions in the thickness direction, the first and fourth housings being made to rotate about the shafts built into the pull-out mechanisms with respect to the second and third housings while being rotated about the first and second hinge shafts to open to form a single flat surface.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: February 28, 2017
    Assignee: FUJITSU LIMITED
    Inventor: Yutaka Nakamura
  • Patent number: 9565906
    Abstract: A multi-joint bending structure includes: a first-band-piece including joint potions on both ends; bending-units enabling the multi-joint-bending-structure to change in position between a straight state and a bent state; a third-band-piece including a joint potion provided on one end, the joint portion connected to the joint potion of the end of one of the bending-units; one pair of two linear bodies, each of the linear bodies having one end fixed to the housings and another end movable along the housings; and an assisting-force-generation-mechanism provided at predetermined opposed positions of the pair of two linear bodies and configured to generate assisting force, wherein the assisting-force-generation-mechanism includes rod-like bodies, a contracting-elastic-body inserted into the gap, and two piece members which both the ends of the overlapping potions energized by the piece members switch over, and the contracting force of the elastic-body acts as the assisting force between both the ends.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: February 14, 2017
    Assignee: FUJITSU LIMITED
    Inventor: Yutaka Nakamura
  • Publication number: 20160219725
    Abstract: A structure includes: a first component having a band-like shape and an elasticity for bending the first component in a first direction such that both ends of the first component approach each other; and a second component, coupled to the first component in a manner that the second component pivots about a rotational axis that lies along an edge in a longitudinal direction of the first component, and having an elasticity for bending the second component in a second direction opposite to the first direction when the first component and the second component are unfolded about the rotational axis.
    Type: Application
    Filed: December 17, 2015
    Publication date: July 28, 2016
    Applicant: FUJITSU LIMITED
    Inventor: YUTAKA NAKAMURA
  • Patent number: 9281821
    Abstract: A method for enabling double pumping in a limited switch dynamic logic circuit includes precharging a dynamic node in accordance with a first clock signal and a second clock signal. The dynamic node is evaluated to a first value in response to one or more first input signals of a first evaluation tree in accordance with the first clock signal. The dynamic node is evaluated to a second value in response to one or more second input signals of a second evaluation tree in accordance with the second clock signal.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: March 8, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Leland Chang, Robert K. Montoye, Yutaka Nakamura
  • Patent number: 9276580
    Abstract: A dynamic logic circuit includes a precharge device configured to precharge a dynamic node in accordance with a first and second evaluation clock signal. A first evaluation tree is configured to evaluate the dynamic node to a first value in response to one or more first input signals in accordance with the first evaluation clock signal. A second evaluation tree configured to evaluate the dynamic node to a second value in response to one or more second input signals in accordance with the second evaluation clock signal.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: March 1, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Leland Chang, Robert K. Montoye, Yutaka Nakamura
  • Publication number: 20160050324
    Abstract: The system includes a terminal apparatus and an image forming apparatus that comprises: a communication unit that performs near field wireless communication; a communication controller that controls the communication unit so as to receive document identification information for identifying a document and personal information to be input to the document transmitted from the terminal apparatus through near field wireless communication; a storage unit that stores document identification information for identifying a document, document image information, and entry position information of entries in association with each other for each document; and an information combining unit that searches the storage unit for the document image information and the entry position information stored in association with the same document identification information as the received document identification information and generates a combined image in which the received personal information is combined at a position on a document im
    Type: Application
    Filed: August 17, 2015
    Publication date: February 18, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Takaaki OHSHITA, Yutaka NAKAMURA
  • Publication number: 20160044804
    Abstract: A connecting system of a multi-section housing of an electronic device comprising: shafts between first and second housing sections and between third and fourth housing sections of superposed first to fourth housing sections to enable one section to be rotated 180 degrees with respect to another section after sliding superposed housing sections apart; first hinges which connect end faces of the second and third housing sections to be able to be rotated; and second hinges which connect opposite side end faces of the first and fourth housing sections, wherein the shafts enable the second and third housing sections to be slid with respect to the first and fourth housing sections and, in the finished slid state, the first and second hinges enable the second and third housing sections and first and fourth housing sections to be rotated about the shafts while being opened to thereby form a single flat surface.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 11, 2016
    Applicant: FUJITSU LIMITED
    Inventor: YUTAKA NAKAMURA
  • Publication number: 20160040462
    Abstract: A connecting system of a multi-section housing having first to fourth housings including housings with different thicknesses and can be spread open from the connected state to form a flat surface, comprising first hinges which connect end faces of the first and fourth housings, second hinges which connect end faces at the same sides of the second and third housings, and pull-out mechanisms provided between the first and second housings and between the third and fourth housings, which pull out the first and fourth housings from the superposed positions, and which make them adjoin the second and third housings without changing the positions in the thickness direction, the first and fourth housings being made to rotate about the shafts built into the pull-out mechanisms with respect to the second and third housings while being rotated about the first and second hinge shafts to open to form a single flat surface.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 11, 2016
    Applicant: FUJITSU LIMITED
    Inventor: YUTAKA NAKAMURA
  • Publication number: 20160044803
    Abstract: A connecting system of a multi-section housing provided at one end face of a first and second housing superposed with their display surfaces at the outsides, comprising: a first shaft vertical to superposed surfaces of first and second housing; and a second shaft perpendicular to the first shaft, wherein if a center line of the first shaft is arranged on a line bisecting the end face to the left and right and the center line of the second shaft is arranged on the superposed surfaces of the first and second housing, the first shaft can be used to allow the second housing superposed over the first housing to be rotated by 180 degrees and, in this state, the first housing can be made to rotate by the second shaft by 180 degrees so as to arrange the display surfaces of the first and second housings on the same plane.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 11, 2016
    Applicant: FUJITSU LIMITED
    Inventor: YUTAKA NAKAMURA
  • Publication number: 20150293562
    Abstract: An overturn prevention device for an apparatus including a main body horizontally installed, and a tiltable housing being tiltable relative to the main body by a first rotary shaft incorporated in the main body, the overturn prevention device includes: a second rotary shaft disposed in the main body and extending in a direction vertical to the main body; a rotational force transmission mechanism disposed between the first rotary shaft and the second rotary shaft and configured to rotate the second rotary shaft by transmitting rotation of the first rotary shaft to the second rotary shaft; and an overturn prevention member disposed on the second rotary shaft and configured to protrude from the main body in a tilting direction of the tiltable housing when the second rotary shaft rotates with a tilting operation of the tiltable housing.
    Type: Application
    Filed: March 24, 2015
    Publication date: October 15, 2015
    Applicant: FUJITSU LIMITED
    Inventors: YUTAKA NAKAMURA, Fumihiko Nakazawa, Nobuhiko Onda
  • Publication number: 20150223574
    Abstract: A multi-joint bending structure includes: a first-band-piece including joint potions on both ends; bending-units enabling the multi-joint-bending-structure to change in position between a straight state and a bent state; a third-band-piece including a joint potion provided on one end, the joint portion connected to the joint potion of the end of one of the bending-units; one pair of two linear bodies, each of the linear bodies having one end fixed to the housings and another end movable along the housings; and an assisting-force-generation-mechanism provided at predetermined opposed positions of the pair of two linear bodies and configured to generate assisting force, wherein the assisting-force-generation-mechanism includes rod-like bodies, a contracting-elastic-body inserted into the gap, and two piece members which both the ends of the overlapping potions energized by the piece members switch over, and the contracting force of the elastic-body acts as the assisting force between both the ends.
    Type: Application
    Filed: January 23, 2015
    Publication date: August 13, 2015
    Applicant: FUJITSU LIMITED
    Inventor: YUTAKA NAKAMURA
  • Publication number: 20150222267
    Abstract: A method for enabling double pumping in a limited switch dynamic logic circuit includes precharging a dynamic node in accordance with a first clock signal and a second clock signal. The dynamic node is evaluated to a first value in response to one or more first input signals of a first evaluation tree in accordance with the first clock signal. The dynamic node is evaluated to a second value in response to one or more second input signals of a second evaluation tree in accordance with the second clock signal.
    Type: Application
    Filed: March 23, 2015
    Publication date: August 6, 2015
    Inventors: LELAND CHANG, ROBERT K. MONTOYE, YUTAKA NAKAMURA
  • Publication number: 20150194962
    Abstract: A dynamic logic circuit includes a precharge device configured to precharge a dynamic node in accordance with a first and second evaluation clock signal. A first evaluation tree is configured to evaluate the dynamic node to a first value in response to one or more first input signals in accordance with the first evaluation clock signal. A second evaluation tree configured to evaluate the dynamic node to a second value in response to one or more second input signals in accordance with the second evaluation clock signal.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 9, 2015
    Inventors: LELAND CHANG, ROBERT K. MONTOYE, YUTAKA NAKAMURA
  • Publication number: 20150188313
    Abstract: Embodiments relate to electrostatic discharge (ESD) protection. One embodiment includes a tie-off circuit including a multiple field effect transistors (FETs), a first internal node, a second internal node, a first output node and a second output node. A node isolation circuit is connected to the first output node and the second output node of the tie-off circuit. The node isolation circuit includes a first FET with a third output node and a second FET with a fourth output node. The third output node and the fourth output node are electrically isolated from the first internal node and the second internal node.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 2, 2015
    Applicant: International Business Machines Corporation
    Inventors: Chen Guo, Yutaka Nakamura, Jun Sawada
  • Patent number: 9030812
    Abstract: A joining structure of superposed first to fourth segment housing of an electronic device each having a display screen equipped with two shafts arranged between first and second housing segments and third and fourth housing segments, a first hinge which joins end faces of the second and third housing segments to be able to rotate and a second hinge which joins opposite side end faces of the first and fourth housing segments, two shafts make the second and third housing segments slide with respect to the first and fourth housing segments, then make one rotate 180 degrees with respect to the other in the finished slid state, by using the first and second hinges to make the second and third housing segments and the first and fourth housing segments rotate about the shafts, and superposed first to fourth segment housing are opened to form a single flat display surface.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: May 12, 2015
    Assignee: Fujitsu Limited
    Inventor: Yutaka Nakamura
  • Patent number: 9030235
    Abstract: A method for increasing performance in a limited switch dynamic logic (LSDL) circuit includes precharging a dynamic node during a precharge phase of a first and second evaluation clock signal. The dynamic node is evaluated to a first logic value in response to one or more first input signals of a first evaluation tree during an evaluation phase of the first evaluation clock signal. The dynamic node is evaluated to a second logic value in response one or more second input signals of a second evaluation tree during an evaluation phase of the second evaluation clock signal. A signal of the LSDL circuit is outputted in response to the dynamic node according to an output latch clock signal.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: May 12, 2015
    Assignee: International Business Machines Corporation
    Inventors: Leland Chang, Robert K. Montoye, Yutaka Nakamura
  • Patent number: 9030234
    Abstract: A limited switch dynamic logic (LSDL) circuit includes a dynamic logic circuit and a static logic circuit. The dynamic logic circuit includes a precharge device configured to precharge a dynamic node during a precharge phase of a first evaluation clock signal and a second evaluation clock signal. A first evaluation tree is configured to evaluate the dynamic node to a first logic value in response to one or more first input signals during an evaluation phase of the first evaluation clock signal. A second evaluation tree is configured to evaluate the dynamic node to a second logic value in response to one or more second input signals during an evaluation phase of the second evaluation clock signal. A static logic circuit is configured to provide an output of the LSDL circuit in response to the dynamic node according to an output latch clock signal.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: May 12, 2015
    Assignee: International Business Machines Corporation
    Inventors: Leland Chang, Robert K. Montoye, Yutaka Nakamura
  • Patent number: 9026186
    Abstract: A slide assist system provided between sliding surfaces of a fixed housing and a movable housing provided with a spring, endpiece members swingably attached to the two ends of the spring, two parallel ridges each is provided sticking out at the fixed housing and the movable housing, wherein the spring is expanded or contracted to insert it in a clearance between the two parallel ridges, one of the endpiece members is made to engage with an engagement part of the fixed housing side ridge, the other is made to engage with an engagement part of the movable housing side ridge, and, in the state where the fixed housing and the movable housing are superposed and the state where they are slid, the engagement part of the fixed housing side ridge and the engagement part of the movable housing side ridge which engage with the same endpiece member are switched.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: May 5, 2015
    Assignee: Fujitsu Limited
    Inventors: Yutaka Nakamura, Hiroshi Takizawa