Patents by Inventor Hirohito Yamaguchi

Hirohito 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: 8643267
    Abstract: In an organic electroluminescence display device which includes: a display region DR in which a plurality of pixels are arranged; and a power source part CC which is arranged outside the display region, each of the plurality of pixels includes: a lower electrode An; a light emitting layer stacked above the lower electrode; and an upper electrode which includes a thin silver film AG and is formed by a layer shared in common by other pixels above the light emitting layer, the upper electrode extends to the power source part for electrically connection, the thin silver film has a portion arranged between the display region and the power source part, and a background layer containing an electron pair donor is arranged as a background of at least a portion of the thin silver film between the display region and the power source part.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: February 4, 2014
    Assignees: Japan Display Inc., Canon Kabushiki Kaisha
    Inventors: Toshiyuki Matsuura, Hirohito Yamaguchi, Masanori Yoshida, Nobutaka Mizuno, Katsunori Oya
  • Publication number: 20110239941
    Abstract: Provided is an evaporation apparatus which reduces deformation of a mask, improves adhesion between a substrate and an evaporation mask, and improves accuracy of dividing a region on which a film is to be formed and a region on which the film is not to be formed. The evaporation apparatus includes a pressing mechanism for pressing a film forming substrate disposed on an evaporation mask including a magnetic material against the evaporation mask. The pressing mechanism includes a magnet for attracting the mask toward at least a corner portion of the film forming substrate.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yoshiyuki Nakagawa, Masanori Yoshida, Masamichi Masuda, Junji Ohyama, Akio Koganei, Naotoshi Miyamachi, Hirohito Yamaguchi, Tetsuya Karaki, Nobutaka Ukigaya, Toshiaki Yoshikawa
  • Publication number: 20110057920
    Abstract: In an organic electroluminescence display device which includes: a display region DR in which a plurality of pixels are arranged; and a power source part CC which is arranged outside the display region, each of the plurality of pixels includes: a lower electrode An; a light emitting layer stacked above the lower electrode; and an upper electrode which includes a thin silver film AG and is formed by a layer shared in common by other pixels above the light emitting layer, the upper electrode extends to the power source part for electrically connection, the thin silver film has a portion arranged between the display region and the power source part, and a background layer containing an electron pair donor is arranged as a background of at least a portion of the thin silver film between the display region and the power source part.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Inventors: Toshiyuki MATSUURA, Hirohito Yamaguchi, Masanori Yoshida, Nobutaka Mizuno, Katsunori Oya
  • Patent number: 6949174
    Abstract: A milling apparatus is provided in which temperature rise of a treatment-object in milling treatment, especially of the substrate thereof, is prevented. In the apparatus, ionization mechanism 2 comprises casing 20d having an opening at the center portion of the face thereof opposing to substrate 5 held by substrate holder 6; a filament is placed at the position where the straight line drawn from the filament to substrate 5 is intercepted by casing 20d; and electromagnets 31, 32 are provided around ionization mechanism 2 for generating a magnetic field to produce magnetic lines extending through opening 20j to substrate 5.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: September 27, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Patent number: 6878241
    Abstract: Sputtering particles emitted from a target are ionized by the Penning ionization process. And the sputtering particles ionized are caused to fly in the direction of the substrate by a magnetic field formed by ambipolar diffusion due to a magnetic field generating means without scattering the particles to deposit the particles on the substrate. The partial pressure of a sputtering discharge gas in a discharge space is set to 1.3 Pa or less and a distance from the target to an ionization space is within twice the mean free path of the partial pressure of the sputtering discharge gas.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: April 12, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Publication number: 20050029090
    Abstract: A method for ionization film formation to form a deposited film by ionizing vaporized particles with an ionization mechanism of the hot-cathode system and injecting the ionized particles into a substrate is provided. The method includes the step of introducing He gas inside the ionization mechanism.
    Type: Application
    Filed: September 14, 2004
    Publication date: February 10, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Patent number: 6812164
    Abstract: A method for ionization film formation to form a deposited film by ionizing vaporized particles with an ionization mechanism of the hot-cathode system and injecting the ionized particles into a substrate is provided. The method includes the step of introducing He gas inside the ionization mechanism.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: November 2, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Patent number: 6787478
    Abstract: In a deposited-film-forming method of forming a compound film on a substrate by a chemical reaction between the particles of a raw material emitted from a raw material particle generation source opposed to the substrate in the direction of the substrate, and the atoms of a reactive gas supplied to a flying space of the particles of the raw material, the space being interposed between the substrate and the raw material particle source, the atoms of a rare gas in an excited state are supplied to the flying space of the particles of the raw material, in order to ionize the atoms of the reactive gas and the particles of the raw material and thereby induce the chemical reaction.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: September 7, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Atsushi Koike, Masahiro Kanai, Hirohito Yamaguchi
  • Publication number: 20030221781
    Abstract: A milling apparatus is provided in which temperature rise of a treatment-object in milling treatment, especially of the substrate thereof, is prevented. In the apparatus, ionization mechanism 2 comprises casing 20d having an opening at the center portion of the face thereof opposing to substrate 5 held by substrate holder 6; a filament is placed at the position where the straight line drawn from the filament to substrate 5 is intercepted by casing 20d; and electromagnets 31, 32 are provided around ionization mechanism 2 for generating a magnetic field to produce magnetic lines extending through opening 20j to substrate 5.
    Type: Application
    Filed: May 27, 2003
    Publication date: December 4, 2003
    Applicant: CANON KABISHIKI KAISHA
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Publication number: 20030192778
    Abstract: Sputtering particles emitted from a target are ionized by the Penning ionization process. And the sputtering particles ionized are caused to fly in the direction of the substrate by a magnetic field formed by ambipolar diffusion due to a magnetic field generating means without scattering the particles to deposit the particles on the substrate. The partial pressure of a sputtering discharge gas in a discharge space is set to 1.3 Pa or less and a distance from the target to an ionization space is within twice the mean free path of the partial pressure of the sputtering discharge gas.
    Type: Application
    Filed: April 9, 2003
    Publication date: October 16, 2003
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Publication number: 20030190412
    Abstract: In a deposited-film-forming method of forming a compound film on a substrate by a chemical reaction between the particles of a raw material emitted from a raw material particle generation source opposed to the substrate in the direction of the substrate, and the atoms of a reactive gas supplied to a flying space of the particles of the raw material, the space being interposed between the substrate and the raw material particle source, the atoms of a rare gas in an excited state are supplied to the flying space of the particles of the raw material, in order to ionize the atoms of the reactive gas and the particles of the raw material and thereby induce the chemical reaction.
    Type: Application
    Filed: March 28, 2003
    Publication date: October 9, 2003
    Inventors: Atsushi Koike, Masahiro Kanai, Hirohito Yamaguchi
  • Publication number: 20030143868
    Abstract: A method for ionization film formation to form a deposited film by ionizing vaporized particles with an ionization mechanism of the hot-cathode system and injecting the ionized particles into a substrate is provided. The method includes the step of introducing He gas inside the ionization mechanism.
    Type: Application
    Filed: January 24, 2003
    Publication date: July 31, 2003
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya
  • Patent number: 6551471
    Abstract: The present invention provides a film forming method comprising the steps of ionizing sputtering particles and applying a periodically changing voltage to an electrode near a substrate, wherein a time for applying a voltage equal to or higher than an intermediate value between maximum and minimum values of the periodically changing voltage is shorter than a time for applying a voltage equal to or less than the intermediate value, and a film forming apparatus for carrying out the above method.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: April 22, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirohito Yamaguchi, Masahiro Kanai, Atsushi Koike, Katsunori Oya