Patents by Inventor Kazuhiro Eguchi

Kazuhiro Eguchi 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: 7042418
    Abstract: A chip antenna includes a substrate, a plurality of helical conductors provided on the substrate, and a pair of terminals provided on the substrate. One of the plurality of helical conductors is connected electrically to one of the terminals, and another one of the helical conductors is connected electrically to the other terminal. Thus, the antenna is of a small size, yet is a single unit which alone is capable of transmitting and receiving electromagnetic waves of a plurality of frequencies.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: May 9, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Munenori Fujimura, Hiromi Tokunaga, Shuichiro Yamaguchi, Toshiharu Noguchi, Kazuhiro Eguchi, Kenichi Kozaki, Shigefumi Akagi
  • Publication number: 20060094255
    Abstract: According to the present invention, there is provided a semiconductor device comprising: a gate insulating film selectively formed on a predetermined region of a semiconductor substrate; a gate electrode formed on said gate insulating film; and a source region and drain region formed, in a surface portion of said semiconductor substrate, on two sides of a channel region positioned below said gate electrode, wherein a carbon concentration in an interface where said gate insulating film is in contact with said gate electrode is not more than 5×1022 atoms/cm3.
    Type: Application
    Filed: February 4, 2005
    Publication date: May 4, 2006
    Inventors: Katsuyuki Sekine, Akio Kaneko, Motoyuki Sato, Seiji Inumiya, Kazuhiro Eguchi
  • Publication number: 20060093731
    Abstract: According to the present invention, there is provided a semiconductor device fabrication method comprising: measuring light emission intensity of at least one type of wavelength contained in light emitted from a plasma, when one of nitriding, oxidation, and impurity doping is to be performed on a surface of a semiconductor substrate in a processing vessel by using the plasma; calculating, for each semiconductor substrate, an exposure time during which the semiconductor substrate is exposed to the plasma, on the basis of the measured light emission intensity; and exposing each semiconductor substrate to the plasma on the basis of the calculated exposure time, thereby performing one of the nitriding, oxidation, and impurity doping.
    Type: Application
    Filed: October 28, 2005
    Publication date: May 4, 2006
    Inventors: Katsuyuki Sekine, Seiji Inumiya, Motoyuki Sato, Akio Kaneko, Kazuhiro Eguchi
  • Publication number: 20060057746
    Abstract: According to the present invention, there is provided a semiconductor device fabrication method, comprising: depositing a film made of an insulating material on a surface of a semiconductor substrate; measuring a film thickness and/or composition of the film; setting nitriding conditions or oxidation conditions on the basis of the measurement result; and nitriding or oxidizing the film on the basis of the set nitriding conditions or oxidation conditions.
    Type: Application
    Filed: November 12, 2004
    Publication date: March 16, 2006
    Inventors: Seiji Inumiya, Motoyuki Sato, Akio Kaneko, Katsuyuki Sekine, Kazuhiro Eguchi
  • Patent number: 6999061
    Abstract: Electronic whiteboard system comprises projected position information setting means for setting projected position information of a PC screen image projected onto the screen of the electronic whiteboard, projected position information storage section for storing projected position information, desktop operation/drawing means for enabling operation on the PC screen image projected on the screen by using an electronic pin as well as storing the locus of free lines drawn on the PC screen image in correspondence with the base image of the PC screen, document information storage section for storing a pair of base image and free lines on a per page basis and storing a plurality of pages as document information, and document information regeneration means for displaying a base image on the window of a computer unit then free lines over the base image in the order the lines were drawn based on the document information stored in the document information storage section.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: February 14, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Naozumi Hara, Kazuhiro Eguchi
  • Publication number: 20050236678
    Abstract: According to the present invention, there is provided a semiconductor device comprising: an interface insulating film selectively formed on a predetermined region of a semiconductor substrate, and having a film thickness of substantially one atomic layer; a gate insulating film formed on said interface insulating film, and having a dielectric constant higher than that of said interface insulating film; a gate electrode formed on said gate insulating film; and source and drain regions formed in a surface region of said semiconductor substrate on two sides of a channel region positioned below said gate electrode.
    Type: Application
    Filed: October 13, 2004
    Publication date: October 27, 2005
    Inventors: Motoyuki Sato, Kazuhiro Eguchi, Seiji Inumiya, Katsuyuki Sekine, Akio Kaneko
  • Publication number: 20050184910
    Abstract: This invention provides an antenna module comprising: a helical antenna 1 including a base 2 and a pair of terminals 4, 5 and a helical area formed on the base 2; a power supply 7 for supplying power to one of the pair of terminals 4, 5 of the helical antenna 1; an opening connected to the other of the pair of terminals; an antenna substrate 9 on which the antenna 7 is mounted; a grounding area 10 formed in the vicinity of the power supply 7; and a peripheral conductor 16 formed at least a portion on the periphery of the antenna substrate 9, wherein the peripheral length of the peripheral conductor 16 formed on the periphery of the antenna substrate 9 is nearly integer times as long as ¼ wavelength of a resonance frequency.
    Type: Application
    Filed: February 22, 2005
    Publication date: August 25, 2005
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Shuichiro Yamaguchi, Keisuke Maruyama, Hiromi Tokunaga, Kazuhiro Eguchi
  • Publication number: 20050170666
    Abstract: A manufacturing method of a semiconductor device disclosed herein, comprises: forming a silicate film containing metal on a substrate; and introducing nitrogen and deuterium into the silicate film by using ND3 gas.
    Type: Application
    Filed: December 1, 2004
    Publication date: August 4, 2005
    Inventors: Katsuyuki Sekine, Yoshitaka Tsunashima, Seiji Inumiya, Akio Kaneko, Motoyuki Sato, Kazuhiro Eguchi
  • Publication number: 20050158932
    Abstract: A method of manufacturing a semiconductor device, comprises: providing a gate insulation layer of a high dielectric constant containing a metal element on a surface of a semiconductor substrate, part of which becoming a channel; providing a first conductive layer containing a silicon element on the surface of said gate insulation layer, said first conductive layer being a gate electrode; and introducing nitrogen or oxygen onto an interface between said gate insulation layer and said first conductive layer by executing a thermal treatment upon said semiconductor substrate in a atmosphere containing a nitriding agent or an oxidizing agent.
    Type: Application
    Filed: November 24, 2004
    Publication date: July 21, 2005
    Inventors: Seiji Inumiya, Akio Kaneko, Motoyuki Sato, Katsuyuki Sekine, Kazuhiro Eguchi, Yoshitaka Tsunashima
  • Patent number: 6917442
    Abstract: In the case of using a plurality of printing means, even if a feeding speed of each printing means of the plurality of printing means is varied, a print of superior quality is always provided. The electronic print-board apparatus comprises a printing device for supplying a paper sheet P by a feeding roller to a printing section that is formed by a printing head and a platen roller and a control system. The control system pauses or reduces a speed of the feeding roller according to detection of a leading end of the paper sheet P by a paper detecting sensor so that the paper sheet P reaches the printing section coincidentally when an optical reading device starts scanning an image on a surface of a screen as it is revolved.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: July 12, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Kazuhiro Eguchi
  • Publication number: 20050121713
    Abstract: A semiconductor device comprises a lower electrode shaped as a convex formed on a semiconductor substrate having crystals, a grain boundary between adjacent crystals being perpendicular to a side of the lower electrode, a capacitor insulating film covering the lower electrode, and an upper electrode formed on the capacitor insulating film.
    Type: Application
    Filed: January 12, 2005
    Publication date: June 9, 2005
    Inventors: Kabushiki Toshiba, Kazuhiro Eguchi
  • Publication number: 20050110101
    Abstract: A semiconductor apparatus wherein a device formed on a semiconductor substrate comprises a gate insulating film including a high dielectric constant film formed on the substrate and an anti-reaction film formed on the high dielectric constant film, and a gate electrode formed on the anti-reaction film, the high dielectric constant film comprises a film containing at least one of Hf and Zr, and Si and O, or a film containing at least one of Hf and Zr, and Si, O and N, the anti-reaction film comprises an SiO2 film, a film containing SiO2 as a main component and at least one of Hf and Zr, a film containing SiO2 as a main component and N, a film containing SiO2 as a main component, Hf and N, a film containing SiO2 as a main component, Zr and N, or a film containing SiO2 as a main component, Hf, Zr and N.
    Type: Application
    Filed: August 27, 2004
    Publication date: May 26, 2005
    Inventors: Akio Kaneko, Kazuhiro Eguchi, Seiji Inumiya, Katsuyuki Sekine, Motoyuki Sato
  • Publication number: 20050067704
    Abstract: A semiconductor device according to the present invention comprises a semiconductor substrate, a gate insulating film which is composed of a material whose main component is a tetravalent metal oxide, a mixture of a tetravalent metal oxide and SiO2, or a mixture of a tetravalent metal oxide and SiON and which containing B when it is in an nMOS structure on the semiconductor substrate or containing at least one of P and As when it is in a pMOS structure on the semiconductor substrate, and a gate electrode made of a metal having a work function of 4 eV to 5.5 eV.
    Type: Application
    Filed: December 18, 2003
    Publication date: March 31, 2005
    Inventors: Akio Kaneko, Seiji Inumiya, Katsuyuki Sekine, Kazuhiro Eguchi, Motoyuki Sato
  • Publication number: 20050064667
    Abstract: A semiconductor device manufacturing method comprises: forming a first nitride film on a semiconductor substrate; forming a first oxide film between said semiconductor substrate and said nitride film and forming a second oxide film on said nitride film; forming a second nitride film or an oxide and nitride film on said first nitride film by nitriding said second oxide film; and forming a gate electrode on a gate insulative film including said first oxide film, said first nitride film, and said second nitride film or said oxide and nitride film.
    Type: Application
    Filed: September 16, 2004
    Publication date: March 24, 2005
    Inventors: Daisuke Matsushita, Koichi Muraoka, Seiji Inumiya, Koichi Kato, Kazuhiro Eguchi, Mariko Takayanagi, Yasushi Nakasaki
  • Patent number: 6867451
    Abstract: A semiconductor device comprises a lower electrode shaped as a convex formed on a semiconductor substrate having crystals, a grain boundary between adjacent crystals being perpendicular to a side of the lower electrode, a capacitor insulating film covering the lower electrode, and an upper electrode formed on the capacitor insulating film.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: March 15, 2005
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Katsuhiko Hieda, Kazuhiro Eguchi
  • Patent number: 6844234
    Abstract: A semiconductor device comprising a semiconductor substrate, a gate dielectrics formed on the semiconductor substrate and including a silicon oxide film containing a metallic element, the silicon oxide film containing the metallic element including a first region near a lower surface thereof, a second region near an upper surface thereof, and a third region between the first and second regions, the metallic element contained in the silicon oxide film having a density distribution in a thickness direction of the silicon oxide film, a peak of the density distribution existing in the third region, and an electrode formed on the gate dielectrics.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: January 18, 2005
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Eguchi, Seiji Inumiya, Yoshitaka Tsunashima
  • Publication number: 20050006674
    Abstract: A semiconductor device comprising a semiconductor substrate, a gate dielectrics formed on the semiconductor substrate and including a silicon oxide film containing a metallic element, the silicon oxide film containing the metallic element including a first region near a lower surface thereof, a second region near an upper surface thereof, and a third region between the first and second regions, the metallic element contained in the silicon oxide film having a density distribution in a thickness direction of the silicon oxide film, a peak of the density distribution existing in the third region, and an electrode formed on the gate dielectrics.
    Type: Application
    Filed: August 5, 2004
    Publication date: January 13, 2005
    Inventors: Kazuhiro Eguchi, Seiji Inumiya, Yoshitaka Tsunashima
  • Publication number: 20040235254
    Abstract: There is disclosed a method of manufacturing a semiconductor device, which comprises forming a film containing metal elements and silicon elements on a semiconductor substrate, exposing the semiconductor substrate to an atmosphere containing an oxidant to form a silicon dioxide film at the interface between the semiconductor substrate and the film containing metal elements and silicon elements, and nitriding the film containing metal elements and silicon elements after forming the silicon dioxide film.
    Type: Application
    Filed: March 12, 2004
    Publication date: November 25, 2004
    Inventors: Seiji Inumiya, Kazuhiro Eguchi
  • Publication number: 20040201531
    Abstract: The invention provides an antenna element, antenna module, and electronic equipment using these, which are small-sized, high in transmitting and receiving performance, and capable of transmitting and receiving electric waves at a plurality of frequencies. Such antenna element comprises two antennas having at least a feeder portion and an open portion, and current is fed to each feeder portion. The antenna module comprises at least an antenna and a mounting body in which the antenna is mounted, and current is fed to each feeder portion. The electronic equipment comprises at least the antenna element or antenna module, a signal modulator, a signal demodulator, a controller, a man-machine interface, and a casing.
    Type: Application
    Filed: April 7, 2004
    Publication date: October 14, 2004
    Inventors: Munenori Fujimura, Shuichiro Yamaguchi, Hiromi Tokunaga, Kazuhiro Eguchi
  • Patent number: 6765805
    Abstract: A circuit component comprising a circuit board and a terminal for mounting the circuit board on a second circuit board. A length of the circuit board is 10 mm-80 mm, a difference in a coefficient of thermal expansion between the circuit board and the second circuit board is 0.2×10−5/° C. or greater. The terminal is made of an elastic material, and comprised of a first connection section, a second connection section and an elastic section disposed between the first and second connection sections, and the terminal separates the circuit board from the second circuit board by 0.3 mm-5 mm. In the circuit components of the present invention, deterioration in the conduction between the circuit board and the second circuit board due to heat cycles can be prevented. Thus, a circuit component having stable operating characteristics for a long period of time is obtained.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: July 20, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takumi Naruse, Kenichi Kozaki, Kazuhiro Eguchi, Katsumi Sasaki