Patents by Inventor Yoshiro Toda

Yoshiro Toda 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: 10328454
    Abstract: Provided is a method for producing an optical film using simultaneous multilayer coating application, the method being capable of reducing the incidence of coating failure in an optical film. The present invention relates to a method for producing an optical film having at least two or more optical functional layers formed on a base material, the method including: a loss modulus checking step of checking the loss moduli of coating liquids capable of forming the respective optical functional layers by measuring dynamic viscoelasticity; and a coating application step of performing simultaneous multilayer coating application of the coating liquids capable of forming the respective optical functional layers on the base material.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: June 25, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kenji Hayashi, Yoshiro Toda, Takato Chiba
  • Publication number: 20170266689
    Abstract: Provided is a method for producing an optical film using simultaneous multilayer coating application, the method being capable of reducing the incidence of coating failure in an optical film. The present invention relates to a method for producing an optical film having at least two or more optical functional layers formed on a base material, the method including: a loss modulus checking step of checking the loss moduli of coating liquids capable of forming the respective optical functional layers by measuring dynamic viscoelasticity; and a coating application step of performing simultaneous multilayer coating application of the coating liquids capable of forming the respective optical functional layers on the base material.
    Type: Application
    Filed: November 19, 2015
    Publication date: September 21, 2017
    Inventors: Kenji HAYASHI, Yoshiro TODA, Takato CHIBA
  • Patent number: 8045109
    Abstract: Provided are a method of manufacturing liquid crystal display device possessing transparent conductive layer exhibiting excellent optical transparency, resistance characteristic, evenness, adhesion to substrate, and hardness, and liquid crystal display device thereof.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: October 25, 2011
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Yoshikazu Kondo, Yoshiro Toda, Wataru Mizuno
  • Patent number: 7647887
    Abstract: A thin film forming apparatus includes: a first electrode having a first discharge surface and a second electrode having a second discharge surface, the first discharge surface facing opposite to the second discharge surface to form a discharge space; a gas supply unit for supplying a gas including a thin film formation gas to the discharge space; a power source for discharging and activating the gas by applying a high frequency electric field across the discharge space; and a film transporting mechanism for transporting a protecting film for preventing at least one of the first electrode and the second electrode from being exposed to the activated gas, wherein a thin film is formed by exposing a substrate to the activated gas and, the protecting film is transported in contact with at least one of the first discharge surface and the second discharge surface and with at least a part of a surface other than the discharge surface which continues to the discharge surface.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: January 19, 2010
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kikuo Maeda, Yoshiro Toda, Koji Fukazawa
  • Publication number: 20100002176
    Abstract: Provided are a method of manufacturing liquid crystal display device possessing transparent conductive layer exhibiting excellent optical transparency, resistance characteristic, evenness, adhesion to substrate, and hardness, and liquid crystal display device thereof.
    Type: Application
    Filed: July 17, 2007
    Publication date: January 7, 2010
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Yoshikazu Kondo, Yoshiro Toda, Wataru Mizuno
  • Patent number: 7632550
    Abstract: A film forming method comprising: supplying a reactive gas comprising a compound including a metal atom between facing electrodes; arranging a substrate between the electrodes; making the reactive gas in a plasma state by applying a voltage between the electrodes under atmospheric pressure or under a pressure in a vicinity of the atmospheric pressure and discharging; and forming a metal film on a surface of the substrate by supplying a reducing gas having a reducing property into a plasma atmosphere in which the reactive gas in the plasma state exists.
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: December 15, 2009
    Assignee: Konica Corporation
    Inventors: Wataru Mizuno, Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki
  • Patent number: 7166335
    Abstract: A layer formation method is disclosed which comprises supplying gas to a discharge space, exciting the supplied gas at atmospheric pressure or at approximately atmospheric pressure by applying a high frequency electric field across the discharge space, and exposing a substrate to the excited gas, wherein the high frequency electric field is an electric field in which a first high frequency electric field and a second high frequency electric field are superposed, frequency ?2 of the second high frequency electric field is higher than frequency ?1 of the first high frequency electric field, strength V1 of the first high frequency electric field, strength V2 of the second high frequency electric field and strength IV of discharge starting electric field satisfy relationship V1?IV>V2 or V1>IV?V2, and power density of the second high frequency electric field is not less than 1 W/cm2.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: January 23, 2007
    Assignee: Konica Corporation
    Inventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
  • Patent number: 6849306
    Abstract: A plasma treatment method for surface treatment of a substrate with an atmospheric pressure plasma treatment apparatus is disclosed. The apparatus has a first electrode and a second electrode opposed to each other, a discharge space between the opposed electrodes, a voltage application means for applying voltage across the discharge space, a gas supply means for supplying a reactive gas and an inert gas to the discharge space. The method is one wherein the reactive gas at the discharge space is excited at atmospheric pressure or at approximately atmospheric pressure by applying voltage through the voltage application means to generate discharge plasma, and a substrate is exposed to the discharge plasma to be subjected to surface treatment, and wherein the reactive gas is not directly in contact with the discharge surface of the first electrode or the second electrode.
    Type: Grant
    Filed: August 16, 2002
    Date of Patent: February 1, 2005
    Assignee: Konica Corporation
    Inventors: Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki, Wataru Mizuno, Koji Fukazawa
  • Publication number: 20040213920
    Abstract: A layer formation method is disclosed which comprises supplying gas to a discharge space, exciting the supplied gas at atmospheric pressure or at approximately atmospheric pressure by applying a high frequency electric field across the discharge space, and exposing a substrate to the excited gas, wherein the high frequency electric field is an electric field in which a first high frequency electric field and a second high frequency electric field are superposed, frequency &ohgr;2 of the second high frequency electric field is higher than frequency &ohgr;1 of the first high frequency electric field, strength V1 of the first high frequency electric field, strength V2 of the second high frequency electric field and strength IV of discharge starting electric field satisfy relationship V1≧IV>V2 or V1>IV≧V2, and power density of the second high frequency electric field is not less than 1 W/cm2.
    Type: Application
    Filed: May 7, 2004
    Publication date: October 28, 2004
    Applicant: Konica Corporation
    Inventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
  • Publication number: 20040187783
    Abstract: A thin film forming apparatus includes: a first electrode having a first discharge surface and a second electrode having a second discharge surface, the first discharge surface facing opposite to the second discharge surface to form a discharge space; a gas supply unit for supplying a gas including a thin film formation gas to the discharge space; a power source for discharging and activating the gas by applying a high frequency electric field across the discharge space; and a film transporting mechanism for transporting a protecting film for preventing at least one of the first electrode and the second electrode from being exposed to the activated gas, wherein a thin film is formed by exposing a substrate to the activated gas and, the protecting film is transported in contact with at least one of the first discharge surface and the second discharge surface and with at least a part of a surface other than the discharge surface which continues to the discharge surface.
    Type: Application
    Filed: March 23, 2004
    Publication date: September 30, 2004
    Inventors: Kikuo Maeda, Yoshiro Toda, Koji Fukazawa
  • Patent number: 6759100
    Abstract: A layer formation method is disclosed which comprises supplying gas to a discharge space, exciting the supplied gas at atmospheric pressure or at approximately atmospheric pressure by applying a high frequency electric field across the discharge space, and exposing a substrate to the excited gas, wherein the high frequency electric field is an electric field in which a first high frequency electric field and a second high frequency electric field are superposed, frequency &ohgr;2 of the second high frequency electric field is higher than frequency &ohgr;1 of the first high frequency electric field, strength V1 of the first high frequency electric field, strength V2 of the second high frequency electric field and strength IV of discharge starting electric field satisfy relationship V1≧IV>V2 or V1>IV≧V2, and power density of the second high frequency electric field is not less than 1 W/cm2.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: July 6, 2004
    Assignee: Konica Corporation
    Inventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
  • Publication number: 20030232136
    Abstract: A layer formation method is disclosed which comprises supplying gas to a discharge space, exciting the supplied gas at atmospheric pressure or at approximately atmospheric pressure by applying a high frequency electric field across the discharge space, and exposing a substrate to the excited gas, wherein the high frequency electric field is an electric field in which a first high frequency electric field and a second high frequency electric field are superposed, frequency &ohgr;2 of the second high frequency electric field is higher than frequency &ohgr;1 of the first high frequency electric field, strength V1 of the first high frequency electric field, strength V2 of the second high frequency electric field and strength IV of discharge starting electric field satisfy relationship V1≧IV>V2 or V1>IV≧V2, and power density of the second high frequency electric field is not less than 1 W/cm2.
    Type: Application
    Filed: March 4, 2003
    Publication date: December 18, 2003
    Inventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
  • Patent number: 6652069
    Abstract: In a surface treatment for treating a surface of a subject of treating by a discharge-activated gas, under an atmospheric pressure or a pressure in the neighborhood of it, by arranging a second electrode at a position separated from the discharging section for generating said discharge-activated gas by a first electrode coated with a dielectric substance, and arranging a surface to be treated of a subject of treating between said plasma generating part, serving as a discharging section, and said second electrode, a surface treatment of said subject of treating is practiced.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: November 25, 2003
    Assignee: Konica Corporation
    Inventors: Yoshiro Toda, Kazuhiro Fukuda, Akira Nishiwaki
  • Publication number: 20030157378
    Abstract: A film forming method comprising: supplying a reactive gas comprising a compound including a metal atom between facing electrodes; arranging a substrate between the electrodes; making the reactive gas in a plasma state by applying a voltage between the electrodes under atmospheric pressure or under a pressure in a vicinity of the atmospheric pressure and discharging; and forming a metal film on a surface of the substrate by supplying a reducing gas having a reducing property into a plasma atmosphere in which the reactive gas in the plasma state exists.
    Type: Application
    Filed: February 11, 2003
    Publication date: August 21, 2003
    Inventors: Wataru Mizuno, Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki
  • Publication number: 20030113479
    Abstract: An atmospheric pressure plasma treatment apparatus is disclosed which comprises a first electrode and a second electrode opposed to each other, a discharge space between the opposed electrodes, a voltage application means for applying voltage across the discharge space, a gas supply means for supplying a reactive gas and an inert gas to the discharge space, wherein the reactive gas at the discharge space is excited at atmospheric pressure or at approximately atmospheric pressure by applying voltage through the voltage application means to generate discharge plasma, and a substrate is exposed to the discharge plasma to be subjected to surface treatment, and wherein the reactive gas is not directly in contact with the discharge surface of the first electrode or the second electrode.
    Type: Application
    Filed: August 16, 2002
    Publication date: June 19, 2003
    Applicant: KONICA CORPORATION
    Inventors: Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki, Wataru Mizuno
  • Publication number: 20020097295
    Abstract: In a surface treatment for treating a surface of a subject of treating by a discharge-activated gas, under an atmospheric pressure or a pressure in the neighborhood of it, by arranging a second electrode at a position separated from the discharging section for generating said discharge-activated gas by a first electrode coated with a dielectric substance, and arranging a surface to be treated of a subject of treating between said plasma generating part, serving as a discharging section, and said second electrode, a surface treatment of said subject of treating is practiced.
    Type: Application
    Filed: November 15, 2001
    Publication date: July 25, 2002
    Applicant: KONICA CORPORATION
    Inventors: Yoshiro Toda, Kazuhiro Fukuda, Akira Nishiwaki
  • Patent number: 5145706
    Abstract: The present invention relates to a method for preparation of plasma powder characterized by catalytic treatment of plasma with colloidal silica and subsequent powdering of the plasma. The plasma powder thus obtained by the present invention is substantially free of malodorous substances.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: September 8, 1992
    Assignee: Taiyo Kagaku Co., Ltd.
    Inventors: Takashi Hagi, Kouichi Misawa, Shuji Saito, Yuji Sakamoto, Noriaki Kadota, Yoshiro Toda, Nagataka Yamazaki