Patents by Inventor Naohito Kohashi

Naohito Kohashi 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: 8268670
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: September 18, 2012
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Patent number: 8164181
    Abstract: A semiconductor device packaging structure is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: April 24, 2012
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Publication number: 20120005875
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Applicant: FUJITSU SEMICONDUCTOR LIMITED
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Patent number: 7977961
    Abstract: A component for a testing device for an electronic component includes a testing board; a projection electrode provided on a main surface of the testing board; a positioning part provided on the main surface of the testing board, the positioning part being configured to position the electronic component; and a pressing part configured to press the electronic component being positioned by the positioning part and make a lead part of the electronic component come in contact with the projection electrode so that the lead part is elastically deformed and made come in contact with the projection electrode.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: July 12, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Daisuke Koizumi, Naohito Kohashi, Yuji Akasaki
  • Patent number: 7921906
    Abstract: In a temperature control method, a controlled part is arranged to contact a first principal surface of a heat conduction part. The heat conduction part has the first principal surface and a second principal surface opposite to the first principal surface. The first principal surface has a configuration corresponding to a configuration of the controlled part. The second principal surface is larger in surface area than the first principal surface. At least one of a heating unit and a cooling unit is driven to set the controlled part at a predetermined temperature. The heating unit and the cooling unit are disposed on the second principal surface of the heat conduction part so that the heating unit and the cooling unit are arranged side by side.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: April 12, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Shigeyuki Maruyama, Hiroshi Misawa, Naohito Kohashi
  • Publication number: 20110049699
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 3, 2011
    Applicant: FUJITSU SEMICONDUCTOR LIMITED
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Patent number: 7825676
    Abstract: A contact terminal formed of an electrically conductive material is arranged in each of a plurality of holed of a contactor substrate. An electrically conductive part is formed on an inner surface of each hole. The contact terminal has a first contact part that contacts a terminal of an electronic part and a second contact part that contacts the electrically conductive part in a middle portion. When the contact terminal bends by the first contact part being pressed, the second contact part contacts the electrically conductive part of the contactor substrate and an appropriate degree of contact pressure is obtained.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: November 2, 2010
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Daisuke Koizumi, Naohito Kohashi, Kazuhiro Tashiro, Takumi Kumatabara
  • Patent number: 7807481
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: October 5, 2010
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Publication number: 20090302876
    Abstract: A component for a testing device for an electronic component includes a testing board; a projection electrode provided on a main surface of the testing board; a positioning part provided on the main surface of the testing board, the positioning part being configured to position the electronic component; and a pressing part configured to press the electronic component being positioned by the positioning part and make a lead part of the electronic component come in contact with the projection electrode so that the lead part is elastically deformed and made come in contact with the projection electrode.
    Type: Application
    Filed: January 23, 2009
    Publication date: December 10, 2009
    Applicant: FUJITSU MICROELECTRONICS LIMITED
    Inventors: Daisuke KOIZUMI, Naohito KOHASHI, Yuji AKASAKI
  • Patent number: 7471096
    Abstract: A contactor for electronic parts can provide an appropriate and uniform contact with respect to a plurality of electrode terminals in an electronic part such as an IC. Each of a plurality of contact members has a first contact portion on one end thereof and a second contact portion on the other end thereof, the first contract portion having a recessed portion that receives one of the electrode terminals of the electronic part. A base accommodates and supports the plurality of the contact members. The first contact portion is movable in a horizontal direction.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 30, 2008
    Assignee: Fujitsu Limited
    Inventors: Naohito Kohashi, Shigeyuki Maruyama, Yoshikazu Arisaka, Hiroyuki Murotani, Katsuhiko Ono
  • Publication number: 20080203558
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Application
    Filed: April 24, 2008
    Publication date: August 28, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Patent number: 7382046
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: June 3, 2008
    Assignee: Fujitsu Limited
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Publication number: 20070252608
    Abstract: A contact terminal formed of an electrically conductive material is arranged in each of a plurality of holed of a contactor substrate. An electrically conductive part is formed on an inner surface of each hole. The contact terminal has a first contact part that contacts a terminal of an electronic part and a second contact part that contacts the electrically conductive part in a middle portion. When the contact terminal bends by the first contact part being pressed, the second contact part contacts the electrically conductive part of the contactor substrate and an appropriate degree of contact pressure is obtained.
    Type: Application
    Filed: May 10, 2007
    Publication date: November 1, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Daisuke Koizumi, Naohito Kohashi, Kazuhiro Tashiro, Takumi Kumatabara
  • Publication number: 20060245161
    Abstract: In a temperature control method, a controlled part is arranged to contact a first principal surface of a heat conduction part. The heat conduction part has the first principal surface and a second principal surface opposite to the first principal surface. The first principal surface has a configuration corresponding to a configuration of the controlled part. The second principal surface has an area larger than an area of the first principal surface. At least one of a heating unit and a cooling unit is driven to set the controlled part at a predetermined temperature. The heating unit and the cooling unit are disposed on the second principal surface of the heat conduction part so that the heating unit and the cooling unit are arranged side by side.
    Type: Application
    Filed: February 10, 2006
    Publication date: November 2, 2006
    Applicant: FUJITSU LIMITED
    Inventors: Shigeyuki Maruyama, Hiroshi Misawa, Naohito Kohashi
  • Publication number: 20060186905
    Abstract: A contactor for electronic parts can provide an appropriate and uniform contact with respect to a plurality of electrode terminals in an electronic part such as an IC. Each of a plurality of contact members has a first contact portion on one end thereof and a second contact portion on the other end thereof, the first contract portion having a recessed portion that receives one of the electrode terminals of the electronic part. A base accommodates and supports the plurality of the contact members. The first contact portion is movable in a horizontal direction.
    Type: Application
    Filed: January 26, 2006
    Publication date: August 24, 2006
    Applicant: FUJITSU LIMITED
    Inventors: Naohito Kohashi, Shigeyuki Maruyama, Yoshikazu Arisaka, Hiroyuki Murotani, Katsuhiko Ono
  • Publication number: 20050072972
    Abstract: A method for protecting a semiconductor device is disclosed that can improve reliability of a performance test for the semiconductor device and prevent damage to the semiconductor device during transportation or packaging for shipment. An IC cover is attached to the semiconductor device, which has height unevenness because it includes semiconductor chips and electric parts having different heights. The IC cover includes projecting portions and a base portion. After being attached to the semiconductor device, the projecting portions stand in a free area in the semiconductor device, and the base portion is supported by the projections to be separated from the semiconductor chips and electric parts in the semiconductor device. The IC cover is detachably attached to the semiconductor device.
    Type: Application
    Filed: March 16, 2004
    Publication date: April 7, 2005
    Applicant: FUJITSU LIMITED
    Inventors: Kazuhiro Tashiro, Keisuke Fukuda, Naohito Kohashi, Shigeyuki Maruyama
  • Patent number: 6784657
    Abstract: A handling apparatus includes a main unit, a holder configured to hold an object, a retainer configured to retain the holder so as to allow the holder to displace with respect to the main unit, and a latch unit configured to selectively bring the holder into a latched state, in which the displacement of the holder with respect to the main unit is restrained, or an unlatched state, in which the displacement of the holder with respect to the main unit is not restrained.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: August 31, 2004
    Assignee: Fujitsu Limited
    Inventors: Keiji Fujishiro, Yasunori Sato, Shigeyuki Maruyama, Naohito Kohashi
  • Patent number: 6767219
    Abstract: A contactor has a contactor substrate and a plurality of contact electrodes formed on the contactor substrate. Each contact electrode is formed by a metal wire bent between one end joined to the contactor substrate and the other end. An inclined plane is formed by a cutting surface. A fracture surface formed by a tension fracture is formed at the apex portion of the contact electrode.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: July 27, 2004
    Assignee: Fujitsu Limited
    Inventors: Shigeyuki Maruyama, Naoyuki Watanabe, Kazuhiro Tashiro, Naohito Kohashi, Osamu Igawa, Tetsuya Fujisawa
  • Publication number: 20030222636
    Abstract: A handling apparatus comprises a main unit, a holder configured to hold an object, a retainer configured to retain the holder so as to allow the holder to displace with respect to the main unit, and a latch unit configured to selectively bring the holder into a latched state, in which the displacement of the holder with respect to the main unit is restrained, or an unlatched state, in which the displacement of the holder with respect to the main unit is not restrained.
    Type: Application
    Filed: November 25, 2002
    Publication date: December 4, 2003
    Applicant: FUJITSU LIMITED
    Inventors: Keiji Fujishiro, Yasunori Sato, Shigeyuki Maruyama, Naohito Kohashi
  • Publication number: 20030186566
    Abstract: A contactor has a contactor substrate and a plurality of contact electrodes formed on the contactor substrate. Each contact electrode is formed by a metal wire bent between one end joined to the contactor substrate and the other end. An inclined plane is formed by a cutting surface. A fracture surface formed by a tension fracture is formed at the apex portion of the contact electrode.
    Type: Application
    Filed: November 13, 2002
    Publication date: October 2, 2003
    Applicant: FUJITSU LIMITED
    Inventors: Shigeyuki Maruyama, Naoyuki Watanabe, Kazuhiro Tashiro, Naohito Kohashi, Osamu Igawa, Tetsuya Fujisawa