Patents by Inventor Kazuaki Yamaguchi

Kazuaki Yamaguchi 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: 9007278
    Abstract: According to one embodiment, a brightness controller includes a plurality of display modules, a specifying module, and a controller. The display modules each include a display screen the brightness of which is adjustable. The specifying module specifies at least one of the display modules to display an application. The controller individually controls the brightness of the display screen of the display module specified by the specifying module based on features of the application displayed on the display module.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: April 14, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Michio Seki, Kazuaki Yamaguchi
  • Publication number: 20120001949
    Abstract: According to one embodiment, a brightness controller includes a plurality of display modules, a specifying module, and a controller. The display modules each include a display screen the brightness of which is adjustable. The specifying module specifies at least one of the display modules to display an application. The controller individually controls the brightness of the display screen of the display module specified by the specifying module based on features of the application displayed on the display module.
    Type: Application
    Filed: March 22, 2011
    Publication date: January 5, 2012
    Inventors: Michio Seki, Kazuaki Yamaguchi
  • Patent number: 7058506
    Abstract: There are provided a positioning section for locating a current position, a travel history database for storing a history of a current position located by the positioning section and a history of a travel to an institution or the like actually visited by walking or so from at least one geographic point in the history, and a destination predicting section for predicting a destination on the basis of a history of using an institution actually visited by walking or so stored in the travel history database. This makes it possible to practically predict as a destination an institution actually visited by walking or so.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: June 6, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazushi Kawase, Noriyuki Yoshida, Kazuaki Yamaguchi
  • Patent number: 7022947
    Abstract: A support structure for supporting a ceramic susceptor in a chamber is provided. The support structure includes a supporting portion joined with a back face of the ceramic susceptor. The supporting portion includes an inner space that is separated from the atmosphere of the chamber. A cooling system is provided below the supporting portion 6. At least one thermal control portion is provided between the cooling system and the supporting portion for reducing thermal conduction from the susceptor to the cooling system.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: April 4, 2006
    Assignee: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto, Hideyoshi Tsuruta
  • Patent number: 7011712
    Abstract: A supporting structure is provided, including a ceramic susceptor to be heated and having a mounting face and a back face. A ceramic supporting member is joined with the back face of the susceptor. The ceramic supporting member has an outer wall surface, a joining face joined with the susceptor and an end face opposing the joining face. A curved part is formed between the outer wall surface and back face, and has a radius of curvature R in a range of 4 mm to 25 mm in the longitudinal direction of the ceramic supporting member.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: March 14, 2006
    Assignee: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto
  • Patent number: 6997993
    Abstract: A susceptor supporting construction has a susceptor for heating a member to be processed and a supporting member, in which an inner space is arranged, connected to the susceptor. A chamber having an opening is connected to the supporting member, the opening of the chamber is communicated with the inner space of the supporting member, and the inner space of the supporting member is sealed in an airtight manner with respect to an inner space of the chamber. The supporting member further has a tubular main portion, a diameter extending portion arranged at an end portion thereof to which the susceptor is faced, and one or more continuous round portions arranged between the main portion and the diameter extending portion, when viewed by an outer profile of a longitudinal section of the supporting member.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: February 14, 2006
    Assignee: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto
  • Patent number: 6979369
    Abstract: A supporting structure of a ceramic susceptor is provided, including a ceramic susceptor to be heated having a mounting face and a back face, and a ceramic supporting member joined with the back face of the susceptor. The supporting member has an outer wall surface, and a continuous and integral curved part formed between the outer wall surface and the back face of the susceptor. The curved part has a radius of curvature “R” in a range of 4 mm to 25 mm in the longitudinal direction of the supporting member, and a minimum wall thickness “t” in a range of 1 mm to 15 mm.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: December 27, 2005
    Assignee: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto
  • Publication number: 20050006374
    Abstract: An object of the present invention is to provide a practical and low-cost method of reducing cold spots generated on the heating face of a ceramic susceptor and the temperature distribution on the heating face when the supporting portion is joined with the susceptor at the back face and is fitted to a chamber through a cooling system. A supporting portion 6 is joined with the back face of a ceramic susceptor. An inner space 6f separated from atmosphere in a chamber is formed. A cooling system is provided between the supporting portion 6 and chamber. Thermal control portions 12A and 12B are provided between the cooling system and supporting body 6 for reducing thermal conduction from the susceptor to the cooling system.
    Type: Application
    Filed: July 2, 2004
    Publication date: January 13, 2005
    Applicant: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto, Hideyoshi Tsuruta
  • Publication number: 20040260457
    Abstract: There are provided a positioning section for locating a current position, a travel history database for storing a history of a current position located by the positioning section and a history of a travel to an institution or the like actually visited by walking or so from at least one geographic point in the history, and a destination predicting section for predicting a destination on the basis of a history of using an institution actually visited by walking or so stored in the travel history database. This makes it possible to practically predict as a destination an institution actually visited by walking or so.
    Type: Application
    Filed: June 14, 2004
    Publication date: December 23, 2004
    Inventors: Kazushi Kawase, Noriyuki Yoshida, Kazuaki Yamaguchi
  • Publication number: 20030183340
    Abstract: A supporting structure is provided to reduce thermal stress in the joining portion of a ceramic susceptor and supporting member and to prevent joining defects in the joining face so that fine cracks or gas leakage in the joining portion may be prevented. The supporting structure has a ceramic susceptor 1A to be heated and having mounting face 2a and back face 2b. A supporting member 3 is joined with the back face 2b of the susceptor 1A. The supporting member 3 has an outer wall surface 3h, a joining face joined with the susceptor and an end face opposite to the joining face. A curved part 20 is formed between the outer wall surface 3h and back face 2b, and has a radius of curvature R of not smaller than 4 mm and not larger than 25 mm in the longitudinal direction of the supporting member 3. Furthermore, the width D1 of the joining face 3b at the outer profile thereof is smaller than the width D2 of the end face 3f at the outer profile thereof.
    Type: Application
    Filed: March 24, 2003
    Publication date: October 2, 2003
    Applicant: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto
  • Publication number: 20030183341
    Abstract: An object of the present invention is, in a supporting structure of a ceramic susceptor, to reduce thermal conduction from a ceramic susceptor to a supporting member, to reduce thermal stress in the joining portion of the susceptor and supporting member, and to prevent fine cracks or gas leakage. The present invention provides a supporting structure 14A having a ceramic susceptor 1A to be heated and having a mounting face 2a and a back face 2b, and a ceramic supporting member 3 joined with the back face of the susceptor 1A. The supporting member 3 has an outer wall surface 3h. A continuous and integral curved part 20 is formed between the outer wall surface 3h and the back face 2b. The curved part 20 has a radius of curvature “R” of not smaller than 4 mm and not larger than 25 mm in the longitudinal direction of the supporting member 3. The supporting member 3 has a minimum wall thickness “t” of not smaller than 1 mm and not larger than 15 mm.
    Type: Application
    Filed: March 20, 2003
    Publication date: October 2, 2003
    Applicant: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto
  • Patent number: 6608745
    Abstract: An electrostatic chuck includes a chuck body, an insulating layer formed on a surface of the chuck body and having an installation surface on which a wafer is to be installed, an inner electrode installed inside the insulating-layer, and projections projecting from the installation surface and having contact surfaces to which the wafer is to contact. A back side gas is flown into a space defined by the installation surface, the projections and the wafer, heat is supplied to the wafer, and heat of the wafer is conducted to the electrostatic chuck through the projections and the back side gas. The total area of the contact surfaces of the projections is not more than 1% of the area of the inner electrode, and the height of the projections are not less than 1 &mgr;m and not more than 10 &mgr;m.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: August 19, 2003
    Assignee: NGK Insulators, Ltd.
    Inventors: Hideyoshi Tsuruta, Kazuaki Yamaguchi
  • Publication number: 20030095370
    Abstract: An electrostatic chuck includes a chuck body, an insulating layer formed on a surface of the chuck body and having an installation surface on which a wafer is to be installed, an inner electrode installed inside the insulating layer, and projections projecting from the installation surface and having contact surfaces to which the wafer is to contact, wherein a back side gas is flown into a space defined by the installation surface, the projections and the wafer, heat is supplied to the wafer, and heat of the wafer is conducted to the electrostatic chuck through the projections and the backside gas, the total area of the contact surfaces of the projections is not more than 1% of the area of the inner electrode, and the height of the projections are not less than 1 &mgr;m and not more than 10 &mgr;m.
    Type: Application
    Filed: January 8, 2001
    Publication date: May 22, 2003
    Applicant: NGK Insulators, Ltd.
    Inventors: Hideyoshi Tsuruta, Kazuaki Yamaguchi
  • Publication number: 20020170679
    Abstract: A susceptor supporting construction has a susceptor for heating a member to be processed and a supporting member, in which an inner space is arranged, connected to the susceptor. A chamber having an opening is connected to the supporting member, the opening of the chamber is communicated with the inner space of the supporting member, and the inner space of the supporting member is sealed in an airtight manner with respect to an inner space of the chamber. The supporting member further has a tubular main portion, a diameter extending portion arranged at an end portion thereof to which the susceptor is faced, and one or more continuous round portions arranged between the main portion and the diameter extending portion, when viewed by an outer profile of a longitudinal section of the supporting member.
    Type: Application
    Filed: February 6, 2002
    Publication date: November 21, 2002
    Applicant: NGK Insulators, Ltd.
    Inventors: Kazuaki Yamaguchi, Yoshinobu Goto
  • Patent number: 6362783
    Abstract: A method of detecting a position of a radio mobile station in radiocommunications, which is capable of accurately and simply finding the position of the mobile station. At a measuring point the mobile station measures the reception radio strength levels from a plurality of base stations and conveys the measurement results through the base station to a control station. The control station learns, through a neural network, the correlation between the reception radio strength levels and the position of the mobile station on the basis of the measurement results at a plurality of measuring points and the positions of the measuring points. Subsequently, when the mobile station communicates to the control station the reception radio strength levels measured at an arbitrary point, the control station estimates the position of the mobile station, causing those measurement results, on the basis of the correlation obtained through the learning.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: March 26, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masataka Sugiura, Hiroyoshi Ishibashi, Etsumi Kanaya, Toru Kubo, Kazuaki Yamaguchi, Natsuki Oka
  • Patent number: 6359587
    Abstract: A method of detecting a position of a radio mobile station in radiocommiunications, which is capable of accurately and simply finding the position of the mobile station. At a measuring point the mobile station measures the reception radio strength levels from a plurality of base stations and conveys the measurement results through the base station to a control station. The control station learns, through a neural network, the correlation between the reception radio strength levels and the position of the mobile station on the basis of the measurement results at a plurality of measuring points and the positions of the measuring points. Subsequently, when the mobile station communicates to the control station the reception radio strength levels measured at an arbitrary point, the control station estimates the position of the mobile station, causing those measurement results, on the basis of the correlation obtained through the learning.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: March 19, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masataka Sugiura, Hiroyoshi Ishibashi, Etsumi Kanaya, Toru Kubo, Kazuaki Yamaguchi, Natsuki Oka
  • Patent number: 6304218
    Abstract: A method of detecting a position of a radio mobile station in radiocommunications, which is capable of accurately and simply finding the position of the mobile station. At a measuring point the mobile station measures the reception radio strength levels from a plurality of base stations and conveys the measurement results through the base station to a control station. The control station learns, through a neural network, the correlation between the reception radio strength levels and the position of the mobile station on the basis of the measurement results at a plurality of measuring points and the positions of the measuring points. Subsequently, when the mobile station communicates to the control station the reception radio strength levels measured at an arbitrary point, the control station estimates the position of the mobile station, causing those measurement results, on the basis of the correlation obtained through the learning.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: October 16, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masataka Sugiura, Hiroyoshi Ishibashi, Etsumi Kanaya, Toru Kubo, Kazuaki Yamaguchi, Natsuki Oka
  • Patent number: 6275190
    Abstract: A method of detecting a position of a radio mobile station in radiocommunications, which is capable of accurately and simply finding the position of the mobile station. At a measuring point the mobile station measures the reception radio strength levels from a plurality of base stations and conveys the measurement results through the base station to a control station. The control station learns, through a neural network, the correlation between the reception radio strength levels and the position of the mobile station on the basis of the measurement results at a plurality of measuring points and the positions of the measuring points. Subsequently, when the mobile station communicates to the control station the reception radio strength levels measured at an arbitrary point, the control station estimates the position of the mobile station, causing those measurement results, on the basis of the correlation obtained through the learning.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: August 14, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masataka Sugiura, Hiroyoshi Ishibashi, Etsumi Kanaya, Toru Kubo, Kazuaki Yamaguchi, Natsuki Oka
  • Patent number: 6259406
    Abstract: A method of detecting a position of a radio mobile station in radiocommunications, which is capable of accurately and simply finding the position of the mobile station. At a measuring point the mobile station measures the reception radio strength levels from a plurality of base stations and conveys the measurement results through the base station to a control station. The control station learns, through a neural network, the correlation between the reception radio strength levels and the position of the mobile station on the basis of the measurement results at a plurality of measuring points and the positions of the measuring points. Subsequently, when the mobile station communicates to the control station the reception radio strength levels measured at an arbitrary point, the control station estimates the position of the mobile station, causing those measurement results, on the basis of the correlation obtained through the learning.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: July 10, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masataka Sugiura, Hiroyoshi Ishibashi, Etsumi Kanaya, Toru Kubo, Kazuaki Yamaguchi, Natsuki Oka
  • Patent number: 6225606
    Abstract: A ceramic heater includes a ceramic substrate having a heating surface, and a resistance heating element buried inside the ceramic substrate, wherein at least a part of the resistance heating element is constituted by a conductive network member, and a ceramic material constituting the ceramic substrate is filled in meshes of the network member.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: May 1, 2001
    Assignee: NGK Insulators, Ltd.
    Inventors: Hideyoshi Tsuruta, Ryusuke Ushikoshi, Kazuaki Yamaguchi