Patents by Inventor Akio Nakamura

Akio 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).

  • Publication number: 20150070308
    Abstract: A display device with touch detection function includes: a display panel including a display plane for displaying images and an electrostatic capacitance type touch detection device; a cover member stacked on the display plane of the display panel, the cover member having at least one recess portion and/or projection portion on the side of a touch surface opposite to a plane that faces the display panel; and a controller configured to send a signal upon the touch detection device detects a variance of electrostatic capacitance proximity to the at least one recess portion and/or projection portion.
    Type: Application
    Filed: September 5, 2014
    Publication date: March 12, 2015
    Inventors: Keiji TAKIZAWA, Kazuyuki YAMADA, Akio NAKAMURA
  • Publication number: 20150042567
    Abstract: A mounting device includes a base member, an attaching mechanism disposed on the base member and configured to detachably attach the base member to a first electronic apparatus, and an accommodating part disposed on the base member and configured to hold a second electronic apparatus placed therein.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 12, 2015
    Inventors: Katsuya Funakoshi, Shuji Nakamura, Akio Nakamura
  • Publication number: 20150034195
    Abstract: The valve unit includes: a body having a charging passage; a supply-side joint that connects a supply pipe; and a check valve that is disposed in the gas passage, and that inhibits gas from being discharged from the gas tank to the outside of the body. The check valve includes a check valve seat, a check valve element that comes into contact with or moves away from the check valve seat, and a positioning member that fixes the position of the check valve seat in the charging passage. The body has a fitting hole which is communicated with the charging passage and in which the supply-side joint and the positioning member are fitted. The positioning member is fitted in a second fitting hole so as to fix the position of the check valve seat even when the supply-side joint has not been fitted in a first fitting hole.
    Type: Application
    Filed: July 18, 2014
    Publication date: February 5, 2015
    Inventors: Toshihiko SHIMA, Akio NAKAMURA, Kenji TAKAHASHI, Shusuke INAGI, Kentaro HIOKI
  • Publication number: 20140377403
    Abstract: Provided is a method for evaluating a flavor-improving agent. The method includes (1) giving subjects a solution prepared by adding a known flavor-improving agent to an aqueous solution of a taste substance and measuring a change in signal strength at a periphery of the temple of the forehead with an apparatus for in vivo optical measurement; (2) selecting a subject showing a change in signal strength (1); (3) giving a solution prepared by adding a test flavor-improving agent to an aqueous solution of the taste substance to the subject in (2) as an object, measuring a change in signal strength at the periphery of the temple of the forehead with an apparatus for in vivo optical measurement, and evaluating the flavor-improving effect from the change in signal strength as an index.
    Type: Application
    Filed: July 25, 2012
    Publication date: December 25, 2014
    Applicant: T. HASEGAWA CO., LTD.
    Inventors: Kana Saito, Akio Nakamura, Tomona Matsumoto, Ayano Fujiki
  • Patent number: 8878091
    Abstract: A switch device includes first and second contacting portions including first and fixed contacting portions and first and second movable contacting portions, respectively, the first fixed contacting portion and the second fixed contacting portion being configured to be electrically connected to one of a power source and an electronic device while the first movable contacting portion and the second movable contacting portion are configured to be electrically connected to the other of the power source and the electronic device; and first and second electric arc voltage suppression units configured to be electrically connected to the first and second fixed contacting portions and the first and second movable contacting portions for suppressing generation of electric arcs there between, respectively.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: November 4, 2014
    Assignee: Fujitsu Component Limited
    Inventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
  • Publication number: 20140292309
    Abstract: A current sensor includes semi-annular first and second magnetic cores, first and second sensors, and a differential output part. The first magnetic core is provided around a wire in which an electric current flows and includes a pair of first magnetic core parts each having a quarter annular shape. The first sensor is provided in the gap between the first magnetic core parts and detects a magnetic flux. The second magnetic core is provided around the wire and includes a pair of second magnetic core parts each having a quarter annular shape. The first and second magnetic cores form an annular magnetic core. The second sensor is provided in the gap between the second magnetic core parts and detects a magnetic flux. The differential output part outputs the differential output of the outputs of the first and second sensors.
    Type: Application
    Filed: March 28, 2014
    Publication date: October 2, 2014
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shigemi Kurashima, Shinichiro Akieda, Nobuyoshi Shimizu, Akio Nakamura, Naoyuki Nagao
  • Patent number: 8841572
    Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions and first and second movable contacting portions configured to contact the first and second fixed contacting portions, respectively and provided to be adjacent from each other; and a magnet unit provided such that a first pole is positioned to face the first contacting portion and a second pole is positioned to face the second contacting portion to generate magnetic fields between the first fixed contacting portion and the first movable contacting portion and between the second fixed contacting portion and the second movable contacting portion, respectively.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: September 23, 2014
    Assignee: Fujitsu Component Limited
    Inventors: Daiei Iwamoto, Takashi Yuba, Koichi Kiryu, SeungSeok Beak, Akio Nakamura
  • Publication number: 20140273637
    Abstract: A connector includes a connecting terminal, a fixed contact, a movable plate, a movable contact provided at an end of the movable plate, a card that includes an insulator and contacts the movable plate, a button that contacts the card, an opening spring connected to the button, and a sliding operation part that controls a contact between the fixed contact and the movable contact. When the sliding operation part is moved in a first direction, the movable contact is brought into contact with the fixed contact and the connector is turned on. When the sliding operation part is moved in a second direction opposite to the first direction, the movable contact is caused to move away from the fixed contact and the connector is turned off. The sliding operation part is provided on a surface that is different from a surface on which the connecting terminal is provided.
    Type: Application
    Filed: August 10, 2012
    Publication date: September 18, 2014
    Inventors: SeungSeok Beak, Koichi Kiryu, Takashi Yuba, Daiei Iwamoto, Akio Nakamura, Masatoshi Noritake, Keiichi Hirose
  • Patent number: 8809719
    Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions and first and second movable contacting portions configured to contact the first and second fixed contacting portions, respectively and provided to be adjacent from each other; and a magnet unit provided such that a first pole is positioned to face the first contacting portion and a second pole is positioned to face the second contacting portion to generate magnetic fields between the first fixed contacting portion and the first movable contacting portion and between the second fixed contacting portion and the second movable contacting portion, respectively.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: August 19, 2014
    Assignee: Fujitsu Component Limited
    Inventors: Daiei Iwamoto, Takashi Yuba, Koichi Kiryu, SeungSeok Beak, Akio Nakamura
  • Publication number: 20140187072
    Abstract: A connector includes a connecting terminal to be connected to another connecting terminal of another connector, a fixed contact, a movable contact provided at one end of a movable plate, a movable spring connected to the movable plate, and an operation part that moves according to an operation performed by an operator. The connecting terminal is connected to one of the fixed contact and the movable contact. The operation part applies a force to a part of the movable spring in a direction that is substantially parallel to a direction of a force applied to operate the operation part, and causes the movable contact to contact the fixed contact. The direction of the force applied to operate the operation part is substantially parallel to a direction in which the movable contact moves.
    Type: Application
    Filed: August 10, 2012
    Publication date: July 3, 2014
    Applicants: NTT FACILITIES, INC., FUJITSU COMPONENT LIMITED
    Inventors: SeungSeok Beak, Koichi Kiryu, Takashi Yuba, Daiel Iwamato, Akio Nakamura, Masatoshi Noritake, Keiichi Hirose
  • Publication number: 20140167750
    Abstract: A current sensor includes: a lower housing; a lower magnetic core that is housed in the lower housing, and includes a first gap on which a first hall element for detection of a magnetic field is arrangeable; a central housing that detachably engages with the lower housing, and houses the lower magnetic core along with the lower housing; an upper magnetic core that is arranged on the central housing, and forms a ring structure for surrounding a conductor along with the lower magnetic core; and an upper housing that detachably engages with the central housing, and houses the upper magnetic core along with the central housing.
    Type: Application
    Filed: November 5, 2013
    Publication date: June 19, 2014
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shinichiro AKIEDA, Akio Nakamura, Nobuyoshi Shimizu, Shigemi Kurashima
  • Publication number: 20140158511
    Abstract: A switch device includes a first contacting portion including a first fixed contact, a first movable contact contactable to the first fixed contact, and a first break contact, the first movable contact being configured to selectively contact one of the first fixed contact and the first break contact; a second contacting portion including a second fixed contact, a second movable contact contactable to the second fixed contact, and a second break contact, the second movable contact being configured to selectively contact one of the second fixed contact and the second break contact; and a mechanical switch that mechanically moves the first movable contact and the second movable contact toward the first fixed contact and the second fixed contact, and toward the first break contact and the second break contact, respectively.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
  • Patent number: 8739657
    Abstract: A wire stripper detects contact between a core wire of an electric wire and stripping blades and detects if the electric wire is cut short. The wire stripper includes a signal analyzer circuit that measures an impedance through the stripping blades for a change in the impedance caused by contact with the wire core and a buffer circuit, that when a contact of the stripping blades with the wire core is detected, applies a signal having the same level as that of an electric signal applied to the stripping blades to a side of a shielding material of a shielded cable for transmitting the electric signal to and from the stripping blades so as to reduce or prevent current leakage between a signal line of the shielded cable and the shielding material.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: June 3, 2014
    Assignee: Komax Holding AG
    Inventor: Akio Nakamura
  • Patent number: 8692634
    Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions, first and second movable contacting portions and first and second break contacting portions, respectively, the first fixed contacting portion and the second fixed contacting portion being configured to be electrically connected to one of a power source and an electronic device while the first movable contacting portion and the second movable contacting portion are configured to be electrically connected to the other of the power source and the electronic device; and a first magnet and a second magnet configured to generate magnetic fields between the first fixed contacting portion and the first movable contacting portion and between the second fixed contacting portion and the second movable contacting portion, respectively.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: April 8, 2014
    Assignee: Fujitsu Component Limited
    Inventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
  • Patent number: 8689030
    Abstract: An electronic apparatus includes a display, a display controller that displays an image on the display in accordance with an image signal input from outside, a first power supply unit that coverts an alternating-current power into a first power having a first voltage, and supplies the first power to the display, a shutoff unit that shuts off the alternating-current power being supplied to the first power supply unit, based on the image signal, and a second power supply unit that converts the alternating-current power into a second power having a second voltage, and supplies the second power to the display controller and the shutoff unit.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: April 1, 2014
    Assignee: Fujitsu Component Limited
    Inventors: Hideyuki Higuma, Akio Nakamura, Yutaka Inomoto, Yuichiro Terasawa, Kazuhiro Yasuno
  • Patent number: 8664553
    Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions and first and second movable contacting portions, respectively, the first fixed contacting portion and the second fixed contacting portion being configured to be electrically connected to one of a power source and an electronic device while the first movable contacting portion and the second movable contacting portion are configured to be electrically connected to the other of the power source and the electronic device; a first electric arc runner provided near at least one of the first fixed contacting portion and the first movable contacting portion; and a second electric arc runner provided near at least one of the second fixed contacting portion and the second movable contacting portion.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: March 4, 2014
    Assignee: Fujitsu Component Limited
    Inventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
  • Publication number: 20140033874
    Abstract: A wire stripper includes a displacement current detection and current-voltage conversion circuit that when stripping blades contact a wire core of an electric wire in a process of stripping a coating of the electric wire at a time when a predetermined time t has elapsed since a square DC signal was applied to the stripping blades from an electric signal generator circuit through a signal line, detects a displacement current of the signal line, converts the current into a voltage, and holds the voltage; and a determination circuit that determines whether the voltage of the signal line is a voltage level Vok at a time of non-contact or a voltage level Vng at a time of contact of the stripping blades with the wire core so as to detect the contact of the stripping blades with the wire core.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Inventors: Akio Nakamura, Benno Zemp
  • Publication number: 20140033875
    Abstract: A wire stripper detects contact between a core wire of an electric wire and stripping blades and detects if the electric wire is cut short. The wire stripper includes a signal analyzer circuit that measures an impedance through the stripping blades for a change in the impedance caused by contact with the wire core and a buffer circuit, that when a contact of the stripping blades with the wire core is detected, applies a signal having the same level as that of an electric signal applied to the stripping blades to a side of a shielding material of a shielded cable for transmitting the electric signal to and from the stripping blades so as to reduce or prevent current leakage between a signal line of the shielded cable and the shielding material.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Inventor: Akio Nakamura
  • Patent number: 8573993
    Abstract: A connector includes a first connector and a second connector configured to engage with the first connector to establish electrical connection, wherein the first connector includes a first contact terminal, and the second connector includes: a second contact terminal configured to come in contact with the first contact terminal; a switch part connected to the second contact terminal and including a fixed part and a movable part; and a movable member capable of pushing the movable part toward the fixed part, wherein the movable member is pushed by the first connector when the first connector engages with the second connector, and the movable member pushes the movable part toward the fixed part to bring the movable part in contact with the fixed part.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: November 5, 2013
    Assignee: Fujitsu Component Limited
    Inventors: SeungSeok Beak, Koichi Kiryu, Takashi Yuba, Daiei Iwamoto, Akio Nakamura
  • Patent number: 8418972
    Abstract: An attachment device includes: an attachment attachable to a rack; and a bracket attachable to a switch device and engageable with the attachment, and including a hold portion for holding a cable, wherein the attachment attached to the rack is engaged with the bracket attached to the switch device, whereby the switch device is supported by the rack.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: April 16, 2013
    Assignee: Fujitsu Component Limited
    Inventors: Koji Iizuka, Akio Nakamura