Patents by Inventor Mitsuhiro Kameda

Mitsuhiro Kameda 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: 11664729
    Abstract: A power-supply module according to the present embodiment comprises a capacitor and a switching circuit. The switching circuit comprises a plurality of switching elements, and is configured to charge the capacitor by using an input voltage with a combination of connection and disconnection of the switching elements, and output an output voltage that is different from the input voltage. The capacitor is a silicon capacitor, and each of the switching elements is a transistor.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: May 30, 2023
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventor: Mitsuhiro Kameda
  • Publication number: 20220077777
    Abstract: A power-supply module according to the present embodiment comprises a capacitor and a switching circuit. The switching circuit comprises a plurality of switching elements, and is configured to charge the capacitor by using an input voltage with a combination of connection and disconnection of the switching elements, and output an output voltage that is different from the input voltage. The capacitor is a silicon capacitor, and each of the switching elements is a transistor.
    Type: Application
    Filed: March 12, 2021
    Publication date: March 10, 2022
    Inventor: Mitsuhiro Kameda
  • Patent number: 7259459
    Abstract: A semiconductor module includes a supporting substrate having a connecting section on a first major surface thereof. A first semiconductor chip includes a first MIS transistor a source of which is formed on the bottom thereof. A second semiconductor chip includes a second MIS transistor a drain of which is formed on the bottom thereof. The first and second semiconductor chips are on the supporting substrate such that the source of the first MIS transistor and the drain of the second MIS transistor are connected to the connecting section and connected each other through the connecting section. An IC chip is provided on the first major surface and connected to gates of the first and second MIS transistors. An insulative envelope covers the supporting substrate, first and second semiconductor chips and IC chip. Partly exposed connecting terminals are electrically connected to the connecting section and first and second semiconductor chips.
    Type: Grant
    Filed: September 7, 2004
    Date of Patent: August 21, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mitsuhiro Kameda, Koichi Sameshima
  • Publication number: 20060169976
    Abstract: A semiconductor device comprises: a first semiconductor chip having a first MIS transistor of a first conductivity type and a second semiconductor chip having a second MIS transistor of the first conductivity type. The first MIS transistor has a source electrode formed on a first face. The second MIS transistor has a drain electrode formed on a first face. The source electrode of the first semiconductor chip and the drain electrode of the second semiconductor chip are bonded opposite to each other.
    Type: Application
    Filed: January 5, 2006
    Publication date: August 3, 2006
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Mitsuhiro Kameda, Makoto Yokota
  • Patent number: 7042026
    Abstract: A power switching device comprises a semiconductor substrate; a plurality of cells, each of which switches a current from a power supply to a load on the basis of a potential at a gate electrode, said cells being arranged on said semiconductor substrate to form a cell array; and a plurality of drivers connected to the gate electrode, said plurality of drivers being distributively arranged in said cell array or being distributively arranged peripheral said cell array.
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: May 9, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Mitsuhiro Kameda
  • Patent number: 6867494
    Abstract: A semiconductor module includes a supporting substrate having a connecting section on a first major surface thereof. A first semiconductor chip includes a first MIS transistor a source of which is formed on the bottom thereof. A second semiconductor chip includes a second MIS transistor a drain of which is formed on the bottom thereof. The first and second semiconductor chips are on the supporting substrate such that the source of the first MIS transistor and the drain of the second MIS transistor are connected to the connecting section and connected each other through the connecting section. An IC chip is provided on the first major surface and connected to gates of the first and second MIS transistors. An insulative envelope covers the supporting substrate, first and second semiconductor chips and IC chip. Partly exposed connecting terminals are electrically connected to the connecting section and first and second semiconductor chips.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: March 15, 2005
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mitsuhiro Kameda, Koichi Sameshima
  • Publication number: 20050029617
    Abstract: A semiconductor module includes a supporting substrate having a connecting section on a first major surface thereof. A first semiconductor chip includes a first MIS transistor a source of which is formed on the bottom thereof. A second semiconductor chip includes a second MIS transistor a drain of which is formed on the bottom thereof. The first and second semiconductor chips are on the supporting substrate such that the source of the first MIS transistor and the drain of the second MIS transistor are connected to the connecting section and connected each other through the connecting section. An IC chip is provided on the first major surface and connected to gates of the first and second MIS transistors. An insulative envelope covers the supporting substrate, first and second semiconductor chips and IC chip. Partly exposed connecting terminals are electrically connected to the connecting section and first and second semiconductor chips.
    Type: Application
    Filed: September 7, 2004
    Publication date: February 10, 2005
    Inventors: Mitsuhiro Kameda, Koichi Sameshima
  • Publication number: 20050023618
    Abstract: A power switching device comprises a semiconductor substrate; a plurality of cells, each of which switches a current from a power supply to a load on the basis of a potential at a gate electrode, said cells being arranged on said semiconductor substrate to form a cell array; and a plurality of drivers connected to the gate electrode, said plurality of drivers being distributively arranged in said cell array or being distributively arranged peripheral said cell array.
    Type: Application
    Filed: September 3, 2004
    Publication date: February 3, 2005
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Mitsuhiro Kameda
  • Patent number: 6809387
    Abstract: A power switching device comprises a semiconductor substrate; a plurality of cells, each of which switches a current from a power supply to a load on the basis of a potential at a gate electrode, said cells being arranged on said semiconductor substrate to form a cell array; and a plurality of drivers connected to the gate electrode, said plurality of drivers being distributively arranged in said cell array or being distributively arranged peripheral said cell array.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: October 26, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Mitsuhiro Kameda
  • Publication number: 20040155303
    Abstract: A power switching device comprises a semiconductor substrate; a plurality of cells, each of which switches a current from a power supply to a load on the basis of a potential at a gate electrode, said cells being arranged on said semiconductor substrate to form a cell array; and a plurality of drivers connected to the gate electrode, said plurality of drivers being distributively arranged in said cell array or being distributively arranged peripheral said cell array.
    Type: Application
    Filed: April 10, 2003
    Publication date: August 12, 2004
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Mitsuhiro Kameda
  • Publication number: 20040026744
    Abstract: A semiconductor module includes a supporting substrate having a connecting section on a first major surface thereof. A first semiconductor chip includes a first MIS transistor a source of which is formed on the bottom thereof. A second semiconductor chip includes a second MIS transistor a drain of which is formed on the bottom thereof. The first and second semiconductor chips are on the supporting substrate such that the source of the first MIS transistor and the drain of the second MIS transistor are connected to the connecting section and connected each other through the connecting section. An IC chip is provided on the first major surface and connected to gates of the first and second MIS transistors. An insulative envelope covers the supporting substrate, first and second semiconductor chips and IC chip. Partly exposed connecting terminals are electrically connected to the connecting section and first and second semiconductor chips.
    Type: Application
    Filed: May 15, 2003
    Publication date: February 12, 2004
    Inventors: Mitsuhiro Kameda, Koichi Sameshima
  • Patent number: 6552390
    Abstract: A semiconductor device comprises a first conductivity type semiconductor substrate, a first conductivity type semiconductor layer formed on the substrate, a MISFET formed in a first area of the semiconductor layer, having a drain and source, and a gate electrode formed on a semiconductor layer between the drain and source through a gate insulator, an internal source electrode formed to contact the source and whose surface is covered with an insulating layer, a diode formed in a second area of the semiconductor layer, having a cathode and an anode provided on the cathode, an anode electrode which contacts the anode, a conductive portion piercing the semiconductor layer to electrically connect the internal source electrode and the cathode to the substrate, and a source/cathode electrode formed on the back plane of the substrate and commonly provided as a source electrode of the MISFET and a cathode electrode of the diode.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: April 22, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Mitsuhiro Kameda
  • Publication number: 20020195640
    Abstract: A semiconductor device comprises a first conductivity type semiconductor substrate, a first conductivity type semiconductor layer formed on the substrate, a MISFET formed in a first area of the semiconductor layer, having a drain and source, and a gate electrode formed on a semiconductor layer between the drain and source through a gate insulator, an internal source electrode formed to contact the source and whose surface is covered with an insulating layer, a diode formed in a second area of the semiconductor layer, having a cathode and an anode provided on the cathode, an anode electrode which contacts the anode, a conductive portion piercing the semiconductor layer to electrically connect the internal source electrode and the cathode to the substrate, and a source/cathode electrode formed on the back plane of the substrate and commonly provided as a source electrode of the MISFET and a cathode electrode of the diode.
    Type: Application
    Filed: June 20, 2002
    Publication date: December 26, 2002
    Inventor: Mitsuhiro Kameda