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: 10328454Abstract: 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: GrantFiled: November 19, 2015Date of Patent: June 25, 2019Assignee: KONICA MINOLTA, INC.Inventors: Kenji Hayashi, Yoshiro Toda, Takato Chiba
-
Publication number: 20170266689Abstract: 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: ApplicationFiled: November 19, 2015Publication date: September 21, 2017Inventors: Kenji HAYASHI, Yoshiro TODA, Takato CHIBA
-
Patent number: 8045109Abstract: 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: GrantFiled: July 17, 2007Date of Patent: October 25, 2011Assignee: Konica Minolta Holdings, Inc.Inventors: Yoshikazu Kondo, Yoshiro Toda, Wataru Mizuno
-
Patent number: 7647887Abstract: 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: GrantFiled: March 23, 2004Date of Patent: January 19, 2010Assignee: Konica Minolta Holdings, Inc.Inventors: Kikuo Maeda, Yoshiro Toda, Koji Fukazawa
-
Publication number: 20100002176Abstract: 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: ApplicationFiled: July 17, 2007Publication date: January 7, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yoshikazu Kondo, Yoshiro Toda, Wataru Mizuno
-
Patent number: 7632550Abstract: 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: GrantFiled: February 11, 2003Date of Patent: December 15, 2009Assignee: Konica CorporationInventors: Wataru Mizuno, Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki
-
Patent number: 7166335Abstract: 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: GrantFiled: May 7, 2004Date of Patent: January 23, 2007Assignee: Konica CorporationInventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
-
Patent number: 6849306Abstract: 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: GrantFiled: August 16, 2002Date of Patent: February 1, 2005Assignee: Konica CorporationInventors: Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki, Wataru Mizuno, Koji Fukazawa
-
Publication number: 20040213920Abstract: 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: ApplicationFiled: May 7, 2004Publication date: October 28, 2004Applicant: Konica CorporationInventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
-
Publication number: 20040187783Abstract: 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: ApplicationFiled: March 23, 2004Publication date: September 30, 2004Inventors: Kikuo Maeda, Yoshiro Toda, Koji Fukazawa
-
Patent number: 6759100Abstract: 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: GrantFiled: March 4, 2003Date of Patent: July 6, 2004Assignee: Konica CorporationInventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
-
Publication number: 20030232136Abstract: 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: ApplicationFiled: March 4, 2003Publication date: December 18, 2003Inventors: Kazuhiro Fukuda, Yasuo Morohoshi, Akira Nishiwaki, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi
-
Patent number: 6652069Abstract: 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: GrantFiled: November 15, 2001Date of Patent: November 25, 2003Assignee: Konica CorporationInventors: Yoshiro Toda, Kazuhiro Fukuda, Akira Nishiwaki
-
Publication number: 20030157378Abstract: 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: ApplicationFiled: February 11, 2003Publication date: August 21, 2003Inventors: Wataru Mizuno, Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki
-
Publication number: 20030113479Abstract: 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: ApplicationFiled: August 16, 2002Publication date: June 19, 2003Applicant: KONICA CORPORATIONInventors: Kazuhiro Fukuda, Yoshikazu Kondo, Yoshiro Toda, Kiyoshi Oishi, Akira Nishiwaki, Wataru Mizuno
-
Publication number: 20020097295Abstract: 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: ApplicationFiled: November 15, 2001Publication date: July 25, 2002Applicant: KONICA CORPORATIONInventors: Yoshiro Toda, Kazuhiro Fukuda, Akira Nishiwaki
-
Patent number: 5145706Abstract: 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: GrantFiled: March 28, 1991Date of Patent: September 8, 1992Assignee: Taiyo Kagaku Co., Ltd.Inventors: Takashi Hagi, Kouichi Misawa, Shuji Saito, Yuji Sakamoto, Noriaki Kadota, Yoshiro Toda, Nagataka Yamazaki