Patents by Inventor Toshinori Hirashima

Toshinori Hirashima 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: 8816411
    Abstract: A semiconductor device featuring a semiconductor chip including a MOSFET and having a first main surface and a second, opposing main surface, a source electrode pad and a gate electrode pad over the first main surface, a drain electrode over the second main surface, a source external terminal and a gate external terminal, each having a first main surface electrically connected to the source electrode pad and gate electrode pad of the chip, respectively, and a drain external terminal having a first main surface and a second, opposing main surface and being electrically connected to the second main surface of the chip, each of the source, gate and drain external terminals having second main surfaces thereof in a same plane, and, in a plan view of the external terminals, the gate external terminal has a portion located between the source and drain external terminals in at least one direction.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: August 26, 2014
    Assignees: Renesas Electronics Corporation, Renesas Eastern Japan Semiconductor, Inc.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiak Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20130264696
    Abstract: A semiconductor device featuring a semiconductor chip including a MOSFET and having a first main surface and a second, opposing main surface, a source electrode pad and a gate electrode pad over the first main surface, a drain electrode over the second main surface, a source external terminal and a gate external terminal, each having a first main surface electrically connected to the source electrode pad and gate electrode pad of the chip, respectively, and a drain external terminal having a first main surface and a second, opposing main surface and being electrically connected to the second main surface of the chip, each of the source, gate and drain external terminals having second main surfaces thereof in a same plane, and, in a plan view of the external terminals, the gate external terminal has a portion located between the source and drain external terminals in at least one direction.
    Type: Application
    Filed: May 31, 2013
    Publication date: October 10, 2013
    Inventors: Ryoichi KAJIWARA, Masahiro KOIZUMI, Toshiaki MORITA, Kazuya TAKAHASHI, Munehisa KISHIMOTO, Shigeru ISHII, Toshinori HIRASHIMA, Yasushi TAKAHASHI, Toshiyuki HATA, Hiroshi SATO, Keiichi OOKAWA
  • Patent number: 8455986
    Abstract: A semiconductor device featuring a semiconductor chip having a first main surface and a second, opposing main surface and including a MOSFET having source and gate electrodes formed on the first main surface and a drain electrode thereof formed on the second main surface, first and second conductive members acting as lead terminals for the source and gate electrodes, respectively, are disposed over the first main surface, each of the first and second conductive members has a part overlapped with the chip in a plan view, a sealing body sealing the chip and parts of the first and second conductive members such that a part of the first conductive member is projected outwardly from a first side surface of the sealing body and parts of the first and second conductive members are projected outwardly from the opposing second side surface of the sealing body in a plan view.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: June 4, 2013
    Assignees: Renesas Electronics Corporation, Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20120217556
    Abstract: A semiconductor device featuring a semiconductor chip having a first main surface and a second, opposing main surface and including a MOSFET having source and gate electrodes formed on the first main surface and a drain electrode thereof formed on the second main surface, first and second conductive members acting as lead terminals for the source and gate electrodes, respectively, are disposed over the first main surface, each of the first and second conductive members has a part overlapped with the chip in a plan view, a sealing body sealing the chip and parts of the first and second conductive members such that a part of the first conductive member is projected outwardly from a first side surface of the sealing body and parts of the first and second conductive members are projected outwardly from the opposing second side surface of the sealing body in a plan view.
    Type: Application
    Filed: April 30, 2012
    Publication date: August 30, 2012
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 8183607
    Abstract: A semiconductor device features a semiconductor chip including a MOSFET, a first electrode of the MOSFET disposed on an obverse surface of the chip, a second, control electrode of the MOSFET disposed on the obverse surface, a third electrode of the MOSFET disposed on a second, opposing surface of the chip, first, second, and third conductive members, each having top surface and opposing bottom surface, the first, second, and third conductive members connecting with the first, second, and third electrodes electrically, respectively, a sealing body having top and bottom surfaces and sealing parts of the first, second, and third conductive members, the first conductive member having first, second, and third contiguous portions, the first portion is positioned over the first electrode, the second is positioned between the first and second portions and the third portion is positioned under the obverse surface of the chip.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: May 22, 2012
    Assignees: Renesas Electronics Corporation, Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20110298020
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Application
    Filed: July 25, 2011
    Publication date: December 8, 2011
    Inventors: Ryoichi KAJIWARA, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 7985991
    Abstract: A semiconductor device features a semiconductor substrate with a MOSFET, an electrode for main current of the MOSFET disposed on a first major surface of the substrate, an electrode for control of the MOSFET disposed on the first major surface, a rear plane electrode of the MOSFET disposed on a second, opposing surface of the substrate, and an external connection terminal electrically connected to the rear plane electrode, the external electrode contains a first part, a second part and a third part, the first part is positioned over the rear plane electrode, the third part is positioned below the second major surface and the third part is connected via the second part to the first part.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: July 26, 2011
    Assignees: Renesas Electronics Corporation, Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 7812464
    Abstract: A semiconductor device and method having high output and having reduced external resistance is reduced and improved radiating performance. A MOSFET (70) has a connecting portion for electrically connecting a surface electrode of a semiconductor pellet and a plurality of inner leads, a resin encapsulant (29), a plurality of outer leads (37), (38) protruding in parallel from the same lateral surface of the resin encapsulant (29) and a header (28) bonded to a back surface of the semiconductor pellet and having a header protruding portion (28c) protruding from a lateral surface of the resin encapsulant (29) opposite to the lateral surface from which the outer leads protrude, wherein the header (28) has an exposed surface (28b) exposed from the resin encapsulant (29); the outer leads (37), (38) are bent; and the exposed of the outer leads (37), (38) are provided at substantially the same height.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: October 12, 2010
    Assignee: Renesas Electronics Corporation
    Inventors: Toshinori Hirashima, Munehisa Kishimoto, Toshiyuki Hata, Yasushi Takahashi
  • Publication number: 20080211082
    Abstract: A semiconductor device and method having high output and having reduced external resistance is reduced and improved radiating performance. A MOSFET (70) has a connecting portion for electrically connecting a surface electrode of a semiconductor pellet and a plurality of inner leads, a resin encapsulant (29), a plurality of outer leads (37), (38) protruding in parallel from the same lateral surface of the resin encapsulant (29) and a header (28) bonded to a back surface of the semiconductor pellet and having a header protruding portion (28c) protruding from a lateral surface of the resin encapsulant (29) opposite to the lateral surface from which the outer leads protrude, wherein the header (28) has an exposed surface (28b) exposed from the resin encapsulant (29); the outer leads (37), (38) are bent; and the exposed of the outer leads (37), (38) are provided at substantially the same height.
    Type: Application
    Filed: April 29, 2008
    Publication date: September 4, 2008
    Inventors: Toshinori Hirashima, Munehisa Kishimoto, Toshiyuki Hata, Yasushi Takahashi
  • Publication number: 20080169537
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Application
    Filed: March 12, 2008
    Publication date: July 17, 2008
    Inventors: Ryoichi KAJIWARA, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 7400002
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: July 15, 2008
    Assignees: Renesas Technology Corp., Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 7394146
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: July 1, 2008
    Assignees: Renesas Tehcnology Corp., Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 7385279
    Abstract: A semiconductor device and method having high output and having reduced external resistance is reduced and improved radiating performance. A MOSFET (70) has a connecting portion for electrically connecting a surface electrode of a semiconductor pellet and a plurality of inner leads, a resin encapsulant (29), a plurality of outer leads (37), (38) protruding in parallel from the same lateral surface of the resin encapsulant (29) and a header (28) bonded to a back surface of the semiconductor pellet and having a header protruding portion (28c) protruding from a lateral surface of the resin encapsulant (29) opposite to the lateral surface from which the outer leads protrude, wherein the header (28) has an exposed surface (28b) exposed from the resin encapsulant (29); the outer leads (37), (38) are bent; and the exposed of the outer leads (37), (38) are provided at substantially the same height.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: June 10, 2008
    Assignee: Renesas Technology Corp.
    Inventors: Toshinori Hirashima, Munehisa Kishimoto, Toshiyuki Hata, Yasushi Takahashi
  • Patent number: 7342267
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: March 11, 2008
    Assignees: Renesas Technology Corp., Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Patent number: 7332757
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: February 19, 2008
    Assignees: Renesas Technology Corp., Hitachi Tohbu Semiconductor, Ltd.
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20070158819
    Abstract: A semiconductor device and method having high output and having reduced external resistance is reduced and improved radiating performance. A MOSFET (70) has a connecting portion for electrically connecting a surface electrode of a semiconductor pellet and a plurality of inner leads, a resin encapsulant (29), a plurality of outer leads (37), (38) protruding in parallel from the same lateral surface of the resin encapsulant (29) and a header (28) bonded to a back surface of the semiconductor pellet and having a header protruding portion (28c) protruding from a lateral surface of the resin encapsulant (29) opposite to the lateral surface from which the outer leads protrude, wherein the header (28) has an exposed surface (28b) exposed from the resin encapsulant (29); the outer leads (37), (38) are bent; and the exposed of the outer leads (37), (38) are provided at substantially the same height.
    Type: Application
    Filed: December 21, 2006
    Publication date: July 12, 2007
    Inventors: Toshinori Hirashima, Munehisa Kishimoto, Toshiyuki Hata, Yasushi Takahashi
  • Publication number: 20070040250
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Application
    Filed: October 31, 2006
    Publication date: February 22, 2007
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20070040249
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Application
    Filed: October 31, 2006
    Publication date: February 22, 2007
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20070040248
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Application
    Filed: October 31, 2006
    Publication date: February 22, 2007
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa
  • Publication number: 20070029540
    Abstract: A semiconductor device, wherein a first metallic member is bonded to a first electrode of a semiconductor element via a first metallic body containing a first precious metal, and a second metallic member is bonded to a second electrode via a second metallic body containing a second precious metal.
    Type: Application
    Filed: October 5, 2006
    Publication date: February 8, 2007
    Inventors: Ryoichi Kajiwara, Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii, Toshinori Hirashima, Yasushi Takahashi, Toshiyuki Hata, Hiroshi Sato, Keiichi Ookawa