Patents by Inventor Kenji Kobae

Kenji Kobae 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: 20140103117
    Abstract: There is provided an RFID tag, which includes: a first substrate having flexibility and configured to include an antenna provided on a first surface of the first substrate; a second substrate; an IC chip mounted on a first surface of the second substrate; an anisotropic conductive rubber configured to contact the first substrate to the second substrate with the IC chip facing the first surface of the first substrate and to contact a terminal of the IC chip to the antenna; and an exterior rubber configured to cover the first substrate, the second substrate, and the IC chip.
    Type: Application
    Filed: August 19, 2013
    Publication date: April 17, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Shuichi TAKEUCHI, Norio KAINUMA, Kuniko ISHIKAWA, Tetsuya TAKAHASHI, Kenji KOBAE
  • Publication number: 20130249087
    Abstract: An electronic component includes a package substrate, a plurality of conductive pads, an insulating material and a semiconductor device. The plurality of conductive pads is disposed on the package substrate. The insulating material is disposed between the plurality of conductive pads. The insulating material includes a top surface located on an identical plane to an upper surface of the plurality of conductive pads. The semiconductor device includes a conductive bump aligned on a corresponding conductive pad of the plurality of conductive pads.
    Type: Application
    Filed: April 22, 2013
    Publication date: September 26, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Kimio Nakamura, Takayoshi Matsumura, Yoshiyuki Satoh, Kuniko Ishikawa, Kenji Kobae
  • Patent number: 8517277
    Abstract: A radio frequency identification tag includes a substrate, and an antenna pattern disposed on an outer peripheral side surface of the substrate. An electronic device is electrically connected to the antenna pattern, and is mounted on the outer peripheral side surface of the substrate.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: August 27, 2013
    Assignee: Fujitsu Limited
    Inventor: Kenji Kobae
  • Patent number: 8395904
    Abstract: A multichip module includes a package substrate, a first semiconductor device, a second semiconductor device and a conductive bump. The first semiconductor device is flip-chip bonded to the package substrate. The first semiconductor device includes a first chip pad on a surface thereof. The second semiconductor device is mounted on the first semiconductor device. The second semiconductor device includes a second chip pad facing the first chip pad. The conductive bump connects the first chip pad to the second chip pad. The conductive bump includes a first metallic body that has a first diffusion rate and a second metallic body that has a second diffusion rate lower than the first diffusion rate.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: March 12, 2013
    Assignee: Fujitsu Limited
    Inventors: Takayoshi Matsumura, Kenji Kobae, Shuichi Takeuchi, Tetsuya Takahashi
  • Patent number: 8381963
    Abstract: A compression-bonding apparatus includes a support stage and a pressing tool. The pressing tool includes a pressing stage, an elastic member and a plurality of bonding heads. The elastic member is held by the pressing stage. The plurality of bonding heads includes an upper surface attached to the elastic member and a lower surface facing an upper surface of the support stage.
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: February 26, 2013
    Assignee: Fujitsu Limited
    Inventors: Kimio Nakamura, Yoshiyuki Satoh, Kenji Kobae
  • Patent number: 8308071
    Abstract: An RFID tag includes an inlet on which an antenna pattern serving as an antenna for communication and an IC chip electrically connected to the antenna pattern are mounted. The RFID tag also includes an exterior body that encloses the inlet from outside and a hollow space that is formed by the inlet and the exterior body and that is filled with gas or a gel material.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: November 13, 2012
    Assignee: Fujitsu Limited
    Inventors: Shuichi Takeuchi, Kenji Kobae, Takayoshi Matsumura, Tetsuya Takahashi
  • Patent number: 8299925
    Abstract: The RFID tag has a base sheet having a recess, a first element provided on the base sheet astride the recess, a second element which is provided between the first element and the base sheet and which is electrically connected to the first element, and a communication antenna which is provided on the base sheet and which is connected to at least any of the first element and the second element.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: October 30, 2012
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Kobayashi, Kenji Kobae
  • Publication number: 20120230001
    Abstract: An electronic device includes an interposer, a first chip being mounted on a first surface of the interposer, the first chip having a first surface facing the first surface of the interposer and a second surface opposite to the first surface of the first chip, a second chip being mounted on a second surface of the interposer opposite to the first surface of the interposer, the second chip having a first surface facing the second surface of the interposer and a second surface opposite to the first surface of the second chip, a first metal plate being connected to the second surface of the first chip, a second metal surface being provided over the second surface of the second chip, and a via penetrating through the interposer and connected to the first metal plate and the second metal plate.
    Type: Application
    Filed: January 12, 2012
    Publication date: September 13, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Tetsuya TAKAHASHI, Kenji KOBAE, Shuichi TAKEUCHI, Yoshiyuki SATOH, Kimio NAKAMURA
  • Patent number: 8169075
    Abstract: According to an aspect of the invention, an electronic part includes a substrate having a first planar surface, a first bump affixed to the first planar surface of the substrate, a second bump affixed to the first planar surface of the substrate a predetermined distance from the first bump, a MEMS chip including a element, the MEMS chip coupled to the first bump and the second bump, the MEMS chip distanced from the first planar surface, an adhesive region bonding with the first bump, the substrate and the MEMS chip.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: May 1, 2012
    Assignee: Fujitsu Limited
    Inventors: Tetsuya Takahashi, Kenji Kobae, Shuichi Takeuchi, Yoshiyuki Satoh, Hidehiko Kira, Takayoshi Matsumura
  • Publication number: 20120080220
    Abstract: An electronic device includes a circuit board including a first electrode and a second electrode; and an electronic component including a first terminal and a second terminal, wherein the first electrode includes a first pad portion to which the first terminal is connected and a first protrusion portion disposed in a first direction in parallel with a straight line passing through the first electrode and the second electrode with respect to the first pad portion and being into contact with the first terminal, the second electrode includes a second pad portion to which the second terminal is connected and a second protrusion portion disposed in a second direction opposite to the first direction with respect to the second pad portion and being into contact with the second terminal.
    Type: Application
    Filed: August 2, 2011
    Publication date: April 5, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Kimio NAKAMURA, Shuichi TAKEUCHI, Yoshiyuki SATOH, Kenji KOBAE
  • Publication number: 20120080219
    Abstract: A method of manufacturing an electronic device in which an electronic component is flip-chip mounted on a circuit board, the method includes supplying, on an electrode of the circuit board or a terminal of the electronic component, a first resin material of a thickness smaller than a gap between the circuit board and the electronic component, after supplying the first resin material, connecting the terminal to the electrode by melting a solder material disposed on the electrode or the terminal at a first temperature with keeping the terminal in contact with the electrode, after connecting the terminal to the electrode, filling the gap between the circuit board and the electronic component with a second resin material, and heating the second resin material at a second temperature lower than the first temperature.
    Type: Application
    Filed: August 12, 2011
    Publication date: April 5, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Shuichi TAKEUCHI, Kenji KOBAE, Yoshiyuki SATOH, Naoki ISHIKAWA, Takeshi MIYAKOSHI, Tetsuya TAKAHASHI
  • Publication number: 20120048607
    Abstract: An electronic device includes an electronic component having a mounting surface with a contour including a plurality of sides and a plurality of corners, a circuit board including a mounted surface that faces the mounting surface of the electronic component and having a recess formed at a position facing the corner of the electronic component, a connection portion provided between the electronic component and the circuit board and electrically connecting the circuit board to the electronic component, a first member embedded in the recess and having a rigidity lower than those of the electronic component and the circuit board, and a second member provided between the electronic component and the circuit board and having a rigidity lower than those of the electronic component and the circuit board.
    Type: Application
    Filed: August 5, 2011
    Publication date: March 1, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Tetsuya TAKAHASHI, Kenji KOBAE, Naoki ISHIKAWA, Takeshi MIYAKOSHI
  • Patent number: 8081081
    Abstract: The electronic apparatus includes a base sheet; a conductive pattern formed on the base sheet; a circuit chip mounted on the base sheet and connected to the conductive pattern; and plural protrusions arranged on at least one of a frontside and a backside of the base sheet to overlap at least a portion of the conductive pattern. The plural protrusions protrude in a direction away from the base sheet.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: December 20, 2011
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Takashi Kubota
  • Patent number: 8076233
    Abstract: A manufacturing method for an electrode connecting portion includes covering an electrode forming surface with a solder sheet, rolling a heating roller on the solder sheet that covers the electrode forming surface, and removing the solder sheet after the heating roller has passed over the solder sheet.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: December 13, 2011
    Assignee: Fujitsu Limited
    Inventors: Kuniko Ishikawa, Norio Kainuma, Kenji Kobae
  • Patent number: 8062926
    Abstract: An RFID tag manufacturing method is including application process in which a heat-curable adhesive is applied to an area where a circuit chip is placed on a base to which antennae are wired so as to be connected with the circuit chip, placement process in which the circuit chip is placed where the adhesive is applied, and thereby the circuit chip is connected with the antennae, covering process in which the circuit chip placed on the base is covered with a sheet member having an adhesive layer on its surface, such that the adhesive layer faces the base, and heat and pressure applying process in which pressure is applied to the sheet member toward the base, and heat and pressure are applied to the circuit chip from above the sheet member, thereby curing the adhesive and fixing the circuit chip and the sheet member on the base.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: November 22, 2011
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Kobayashi, Kenji Kobae
  • Publication number: 20110278056
    Abstract: A manufacturing method of a printed circuit board unit is provided. A portion of bumps which is arranged on an electronic component is pressed to lower heights of the portion of bumps as compared to other bumps.
    Type: Application
    Filed: April 11, 2011
    Publication date: November 17, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Shuichi TAKEUCHI, Kenji Kobae, Tetsuya Takahashi
  • Patent number: 7982295
    Abstract: An electronic device includes: a base; a conductor pattern formed on the base; a circuit chip electrically connected to the conductor pattern; and a reinforcing member which is disposed on the base to surround the circuit chip, whose outer shape is like a ring, and which includes concentric rings as an internal structure. The electronic device further includes a sealing member which fills an inside of the reinforcing member while covering the top of the circuit chip, thereby sealing the circuit chip on the base.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: July 19, 2011
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Shuichi Takeuchi, Hidehiko Kira
  • Patent number: 7960215
    Abstract: An electronic device includes: a base; a conductor pattern formed on the base; and a circuit chip electrically connected to the conductor pattern. The electronic device further includes a reinforcing member which is disposed on the base to surround the circuit chip, whose outer shape is like a ring, and which includes layers stacked in the thickness direction of the base. The lowermost layer of the layers is closest to the base and softer than the layer that is at least one of the remaining layers. The electronic device further includes a sealing member which fills an inside of the reinforcing member while covering the top of the circuit chip, thereby sealing the circuit chip on the base.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: June 14, 2011
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Shuichi Takeuchi, Hidehiko Kira
  • Publication number: 20110079896
    Abstract: A semiconductor device fabrication method, comprising the steps of: forming a solder portion on an electrode of a substrate on which a semiconductor chip is to be mounted; applying a resin layer onto the substrate to a thickness such that a top region of the solder portion is exposed; curing the resin layer; providing a thermosetting underfill material over a region where the semiconductor chip is to be mounted; placing an electrode of the semiconductor chip face down on the solder portion in such a manner that the electrode faces the solder portion; and heating the underfill material and the solder portion.
    Type: Application
    Filed: September 28, 2010
    Publication date: April 7, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Yoshiyuki SATOH, Kenji KOBAE, Kimio NAKAMURA, Takayoshi MATSUMURA, Kuniko ISHIKAWA
  • Patent number: 7902983
    Abstract: An RFID tag includes: a sheet-like base; an antenna provided on the base and extending along the base; a circuit chip mounted on the base and connected to the antenna for performing radio communication through the antenna; a protection body wider than the circuit chip and narrower than the antenna, which is located at least either above the circuit chip or on a backside of the circuit chip with the base interposed therebetween for protecting the circuit chip; and a connection section provided as a portion of the antenna at a location where an edge of the protection body and the antenna intersect with each other as viewed from a direction intersecting with a surface of the base, which includes one or more conductor patterns narrower than other portion of the antenna, and which connects inner and outer antenna portions of the edge with each other.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: March 8, 2011
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Takashi Kubota, Hidehiko Kira