Patents by Inventor Masato Taki

Masato Taki 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: 8373251
    Abstract: A first semiconductor chip includes a first inductor and a second inductor, and a second semiconductor chip includes a third inductor and a fourth inductor. The first inductor is connected to a first receiving circuit of the first semiconductor chip, and the second inductor is connected to a second transmitting circuit of the second semiconductor chip through a first bonding wire. The third inductor is connected to a second receiving circuit of the second semiconductor chip, and the fourth inductor is connected to a first transmitting circuit of the first semiconductor chip through a second bonding wire.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: February 12, 2013
    Assignees: Renesas Electronics Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Shinichi Uchida, Masayuki Furumiya, Hiroshi Sakakibara, Takashi Iwadare, Yoshiyuki Sato, Makoto Eguchi, Masato Taki, Hidetoshi Morishita, Kozo Kato, Jun Morimoto
  • Patent number: 8106703
    Abstract: Booster circuit comprising: first transistor that is connected to first node; capacitor that has one end connected to first node, and that is charged with voltage of first node when first transistor is activated; and control signal generating circuit that provides control terminal of first transistor with control signal being in accordance with first clock, wherein when first transistor is de-activated, capacitor boosts voltage of first node to first voltage by voltage being applied to or end of capacitor, voltage applied to or end being at least ½ as great as first supply voltage, and control signal generating circuit sets voltage of control signal when first transistor is de-activated to be first voltage of first node, and sets voltage of control signal when first transistor is activated to be voltage, difference between voltage and first voltage being equal to or smaller than value of first supply voltage.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: January 31, 2012
    Assignees: Renesas Electronics Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshihiro Nagai, Masakazu Amanai, Masahiko Kashimura, Masato Taki, Norihiro Honda, Kazushi Yamanaka
  • Patent number: 8004902
    Abstract: A nonvolatile memory device includes a memory cell that stores data by presence or absence of electrons accumulated in a floating gate, a read reference current generator that generates a read reference current for reading data from the memory cell based on a constant current from a constant current generator included therein, and a read voltage generator that generates a read voltage to be applied to a control gate of the memory cell during data reading. The read reference current generator generates a monitor voltage that varies according to variation of the read reference current and a threshold voltage of the memory cell. The read voltage generator generates the read voltage based on the monitor voltage.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: August 23, 2011
    Assignees: Renesas Electronics Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Masakazu Amanai, Masahiko Kashimura, Yoshihiro Nagai, Masato Taki, Norihiro Honda, Kazushi Yamanaka
  • Patent number: 7943957
    Abstract: A diode 10 comprises an SOI substrate in which are stacked a semiconductor substrate 20, an insulator film 30, and a semiconductor layer 40. A bottom semiconductor region 60, an intermediate semiconductor region 53, and a surface semiconductor region 54 are formed in the semiconductor layer 40. The bottom semiconductor region 60 includes a high concentration of n-type impurity. The intermediate semiconductor region 53 includes a low concentration of n-type impurity. The surface semiconductor region 54 includes p-type impurity.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: May 17, 2011
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masato Taki, Masahiro Kawakami, Kiyoharu Hayakawa, Masayasu Ishiko
  • Publication number: 20100301927
    Abstract: Booster circuit comprising: first transistor that is connected to first node; capacitor that has one end connected to first node, and that is charged with voltage of first node when first transistor is activated; and control signal generating circuit that provides control terminal of first transistor with control signal being in accordance with first clock, wherein when first transistor is de-activated, capacitor boosts voltage of first node to first voltage by voltage being applied to or end of capacitor, voltage applied to or end being at least ½ as great as first supply voltage, and control signal generating circuit sets voltage of control signal when first transistor is de-activated to be first voltage of first node, and sets voltage of control signal when first transistor is activated to be voltage, difference between voltage and first voltage being equal to or smaller than value of first supply voltage.
    Type: Application
    Filed: May 10, 2010
    Publication date: December 2, 2010
    Applicants: NEC ELECTRONICS CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshihiro NAGAI, Masakazu AMANAI, Masahiko KASHIMURA, Masato TAKI, Norihiro HONDA, Kazushi YAMANAKA
  • Publication number: 20100230782
    Abstract: A first semiconductor chip includes a first inductor and a second inductor, and a second semiconductor chip includes a third inductor and a fourth inductor. The first inductor is connected to a first receiving circuit of the first semiconductor chip, and the second inductor is connected to a second transmitting circuit of the second semiconductor chip through a first bonding wire. The third inductor is connected to a second receiving circuit of the second semiconductor chip, and the fourth inductor is connected to a first transmitting circuit of the first semiconductor chip through a second bonding wire.
    Type: Application
    Filed: March 10, 2010
    Publication date: September 16, 2010
    Applicants: NEC ELECTRONICS CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinichi UCHIDA, Masayuki FURUMIYA, Hiroshi SAKAKIBARA, Takashi IWADARE, Yoshiyuki SATO, Makoto EGUCHI, Masato TAKI, Hidetoshi MORISHITA, Kozo KATO, Jun MORIMOTO
  • Publication number: 20100124125
    Abstract: A nonvolatile memory device includes a memory cell that stores data by presence or absence of electrons accumulated in a floating gate, a read reference current generator that generates a read reference current for reading data from the memory cell based on a constant current from a constant current generator included therein, and a read voltage generator that generates a read voltage to be applied to a control gate of the memory cell during data reading. The read reference current generator generates a monitor voltage that varies according to variation of the read reference current and a threshold voltage of the memory cell. The read voltage generator generates the read voltage based on the monitor voltage.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 20, 2010
    Applicants: NEC ELECTRONICS CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masakazu AMANAI, Masahiko KASHIMURA, Yoshihiro NAGAI, Masato TAKI, Norihiro HONDA, Kazushi YAMANAKA
  • Publication number: 20090243042
    Abstract: A semiconductor device has a first main electrode and a second main electrode that are provided on a semiconductor layer. The semiconductor layer has: an n type first semiconductor region in contact with the first main electrode; a p type second semiconductor region in contact with the second main electrode; and an n type third semiconductor region provided between the first and second semiconductor regions. The third semiconductor region has a first layer and a second layer. The impurity concentration in the first layer is uniform. The second layer has a higher impurity concentration than the first layer that increases in a gradient from the first semiconductor region to the second semiconductor region.
    Type: Application
    Filed: March 20, 2009
    Publication date: October 1, 2009
    Inventors: Kiyoharu HAYAKAWA, Masato TAKI
  • Publication number: 20090184370
    Abstract: A diode 10 comprises an SOI substrate in which are stacked a semiconductor substrate 20, an insulator film 30, and a semiconductor layer 40. A bottom semiconductor region 60, an intermediate semiconductor region 53, and a surface semiconductor region 54 are formed in the semiconductor layer 40. The bottom semiconductor region 60 includes a high concentration of n-type impurity. The intermediate semiconductor region 53 includes a low concentration of n-type impurity. The surface semiconductor region 54 includes p-type impurity.
    Type: Application
    Filed: November 17, 2006
    Publication date: July 23, 2009
    Inventors: Masato Taki, Masahiro Kawakami, Kiyoharu Hayakawa, Masayasu Ishiko
  • Patent number: 7538407
    Abstract: A semiconductor apparatus (100) comprises a low potential reference circuit region (1) and a high potential reference circuit region (2), and the high potential reference circuit region (2) is surrounded by a high withstand voltage separating region (3). By a trench (4) formed in the outer periphery of the high withstand voltage separating region (3), the low potential reference circuit region (1) and high potential reference circuit region (2) are separated from each other. Further, the trench (4) is filled up with an insulating material, and insulates the low potential reference circuit region (1) and high potential reference circuit region (2). The high withstand voltage separating region (3) is partitioned by the trench (4), high withstand voltage NMOS (5) or high withstand voltage PMOS (6) is provided in the partitioned position.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: May 26, 2009
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masato Taki, Hideki Tojima
  • Publication number: 20070085595
    Abstract: A semiconductor apparatus (100) comprises a low potential reference circuit region (1) and a high potential reference circuit region (2), and the high potential reference circuit region (2) is surrounded by a high withstand voltage separating region (3). By a trench (4) formed in the outer periphery of the high withstand voltage separating region (3), the low potential reference circuit region (1) and high potential reference circuit region (2) are separated from each other. Further, the trench (4) is filled up with an insulating material, and insulates the low potential reference circuit region (1) and high potential reference circuit region (2). The high withstand voltage separating region (3) is partitioned by the trench (4), high withstand voltage NMOS (5) or high withstand voltage PMOS (6) is provided in the partitioned position.
    Type: Application
    Filed: October 8, 2004
    Publication date: April 19, 2007
    Inventors: Masato Taki, Hideki Tojima